Nokia Solutions and Networks T4KJ1 LTE 700 MHz Public Safety Base Station Transceiver User Manual Exhibit 8 Users Manual print

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APPLICANT: MOTOROLA
Cellular Networks
FCC ID: IHET4KJ1
Users Manual Exhibit
LTE WBR FDD Frame Based Radio @ 700MHz
FCC Filing – LTE WBR FDD Frame Based Radio @ 700MHz
LTE eNodeB Indoor Hardware Installation
68P09308A55-6
© 2009-2010 Motorola, Inc.
FEB 2010
All Rights Reserved
Accuracy
While reasonable efforts have been made to assure the accuracy of this document, Motorola, Inc. assumes no
liability resulting from any inaccuracies or omissions in this document, or from use of the information obtained
herein. Motorola, Inc. reserves the right to make changes to any products described herein to improve reliability,
function, or design, and reserves the right to revise this document and to make changes from time to time in content
hereof with no obligation to notify any person of revisions or changes. Motorola, Inc. does not assume any liability
arising out of the application or use of any product, software, or circuit described herein; neither does it convey
license under its patent rights or the rights of others. It is possible that this publication may contain references to, or
information about Motorola products (machines and programs), programming, or services that are not announced
in your country. Such references or information must not be construed to mean that Motorola intends to announce
such Motorola products, programming, or services in your country.
Copyrights
This document, Motorola products, and 3rd Party Software products described in this document may include
or describe copyrighted Motorola and other 3rd Party supplied computer programs stored in semiconductor
memories or other media. Laws in the United States and other countries preserve for Motorola, its licensors, and
other 3rd Party supplied software certain exclusive rights for copyrighted material, including the exclusive right
to copy, reproduce in any form, distribute and make derivative works of the copyrighted material. Accordingly,
any copyrighted material of Motorola, its licensors, or the 3rd Party software supplied material contained in the
Motorola products described in this document may not be copied, reproduced, reverse engineered, distributed,
merged or modiied in any manner without the express written permission of Motorola. Furthermore, the purchase
of Motorola products shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any
license under the copyrights, patents or patent applications of Motorola or other 3rd Party supplied software,
except for the normal non-exclusive, royalty free license to use that arises by operation of law in the sale of a
product.
Restrictions
Software and documentation are copyrighted materials. Making unauthorized copies is prohibited by law. No part
of the software or documentation may be reproduced, transmitted, transcribed, stored in a retrieval system, or
translated into any language or computer language, in any form or by any means, without prior written permission
of Motorola, Inc.
License Agreements
The software described in this document is the property of Motorola, Inc and its licensors. It is furnished by express
license agreement only and may be used only in accordance with the terms of such an agreement.
High Risk Materials
Components, units, or 3rd Party products used in the product described herein are NOT fault-tolerant and are NOT
designed, manufactured, or intended for use as on-line control equipment in the following hazardous environments
requiring fail-safe controls: the operation of Nuclear Facilities, Aircraft Navigation or Aircraft Communication
Systems, Air Trafic Control, Life Support, or Weapons Systems (High Risk Activities). Motorola and its supplier(s)
speciically disclaim any expressed or implied warranty of itness for such High Risk Activities.
Trademarks
Motorola and the Stylized M Logo are registered in the US Patent & Trademark Ofice. All other product or service
names are the property of their respective owners.
The CE mark conirms Motorola, Inc. statement of compliance with EU directives applicable to this product. Copies
of the Declaration of Compliance and installation information in accordance with the requirements of EN50385 can
be obtained from the local Motorola representative or by contacting the Customer Network Resolution Center
(CNRC). The 24 hour telephone numbers are listed at https://mynetworksupport.motorola.com. Select Customer
Network Resolution Center contact information. Alternatively if you do not have access to CNRC or the
internet, contact the Local Motorola Ofice.
FEB 2010
Table
of
Contents
Contents
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LTE eNodeB Indoor Hardware Installation
1-2
1-2
1-2
1-2
1-2
1-3
1-5
1-7
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparing the site for equipment arrival . . . . . . . . . . . . .
LTE eNodeB Component Dimensions . . . . . . . . . . . . . .
Frame dimensions and clearances . . . . . . . . . . . . . . . .
Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . .
Cabinet voltage . . . . . . . . . . . . . . . . . . . . . . . . .
DC supply equipment, Main circuit breaker, and DC input cable.
Site grounding . . . . . . . . . . . . . . . . . . . . . . . . . .
Environment Requirements . . . . . . . . . . . . . . . . . . . . .
Operating temperature range . . . . . . . . . . . . . . . . . .
Cable Requirements . . . . . . . . . . . . . . . . . . . . . . . . .
eNodeB Cable Descriptions (min 90C insulation rating) . . . . .
Tools required for installing the eNodeB components . . . . . . . .
2-2
2-2
2-4
2-5
2-7
2-7
2-7
2-9
2-10
2-10
2-11
2-13
2-15
Revision history . . . . . . . . . . . .
Version information . . . . . . . .
Release information . . . . . . . .
Resolution of Service Requests . .
General information . . . . . . . . . .
Purpose . . . . . . . . . . . . . .
Cross references . . . . . . . . . .
Document banner deinitions . . .
Text conventions . . . . . . . . . .
Contacting Motorola . . . . . . . . . .
24–hour support . . . . . . . . . .
Ordering documents and CD-ROMs
Questions and comments . . . . .
Errors . . . . . . . . . . . . . . .
Chapter 1: Introduction
Overview . . . . . . . . . . . . .
Not a planning guide. . . . .
Follow the site plan . . . . .
Prerequisites. . . . . . . . .
System shipped unassembled
Product Description . . . . .
Major Components with Call-outs
Conigurations supported . . . .
Chapter 2: Site preparation
68P09308A55-6
FEB 2010
Contents
Chapter 3: Frame-based eNodeB Installation
3-2
3-5
3-6
3-6
3-9
3-9
3-9
3-14
3-14
3-15
3-19
3-22
3-23
3-25
3-25
3-28
3-28
Installation of the BCUII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Required materials and tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BCUII installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2
4-2
4-3
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unpacking Equipment . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation of the rack . . . . . . . . . . . . . . . . . . . . . . . . . .
Rack and ground cable installation . . . . . . . . . . . . . . . . .
Installing the +27 V dc (PDU) . . . . . . . . . . . . . . . . . . . . . .
Required materials and tools. . . . . . . . . . . . . . . . . . . . .
Installing the PDU . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation of the BCUII . . . . . . . . . . . . . . . . . . . . . . . . .
Required materials and tools. . . . . . . . . . . . . . . . . . . . .
BCUII installation . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation of Radio/Filter Shelf (RFS) and Frame Mounted Radio Head
RFS power cable installation. . . . . . . . . . . . . . . . . . . . .
RFS Ground Cable Installation . . . . . . . . . . . . . . . . . . . .
Installation of the GPS . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing RFGPS antenna and cable . . . . . . . . . . . . . . . . .
Optional equipment . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quartz-high stability oscillator . . . . . . . . . . . . . . . . . . . .
Chapter 4: Installation of the indoor portions of the Remote RF based eNodeB
Chapter 5: Installation of the RRH
5-2
5-2
5-9
5-16
5-17
5-19
5-21
Inter-cabling – between major components . . . . . . . . . . .
Safety when handling Fiber/Power Supply and Earth Cables
RRH gound connections . . . . . . . . . . . . . . . . . . .
RRH power connections . . . . . . . . . . . . . . . . . . .
RRH to BCUII interconnect . . . . . . . . . . . . . . . . .
Installing RF cables from antennas to RRH . . . . . . . . .
Customer I/O cable installation . . . . . . . . . . . . . . .
Ethernet cable installation . . . . . . . . . . . . . . . . . .
RRH head –48 V dc power cabling installation . . . . . . . . . .
RRH –48 Vdc power when using a BCUII . . . . . . . . . .
Circuit breaker for dc output to head . . . . . . . . . . . .
Connecting –48 V dc Power . . . . . . . . . . . . . . . . .
Cabling of RRH . . . . . . . . . . . . . . . . . . . . . . . . .
2.1/2.6 GHz RRH. . . . . . . . . . . . . . . . . . . . . . .
6-2
6-2
6-3
6-3
6-10
6-16
6-16
6-17
6-19
6-19
6-19
6-19
6-22
6-22
Power Up Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-2
Installing the Remote Radio Head . . . . . . .
Installing the 700 MHz RRH . . . . . . . .
700 MHz RRH pole mount coniguration . .
700 MHz RRH connections . . . . . . . .
Installation of 2.1/2.6 GHz RRH . . . . . .
2.1/2.6 GHz RRH pole mount coniguration
2.1 / 2.6 GHz RRH . . . . . . . . . . . . .
Chapter 6: Cabling of the RRH
Chapter 7: Power-up sequence
ii
68P09308A55-6
FEB 2010
Contents
Chapter 8: Field Replaceable Units
List of Field Replaceable Units (FRUs) . . . . . . . . . . .
BCUII Flex4 Modem Replacement . . . . . . . . . . . . .
Objectives . . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . .
Replacement Procedure . . . . . . . . . . . . . . . .
BCUII Site Controller Card Replacement . . . . . . . . .
Objectives . . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . .
Replacement Procedure . . . . . . . . . . . . . . . .
eNode Frame Based Radio Replacement . . . . . . . . . .
Objectives . . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . .
eNodeB Frame Based Radio Replacement Procedure .
Filter/Duplexer Replacement. . . . . . . . . . . . . . . .
Objectives . . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . .
Filter/Duplexer Replacement Procedure . . . . . . . .
Radio/Filter Shelf Fan Tray Replacement . . . . . . . . .
Objective. . . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . .
Radio/Filter Shelf Fan Tray replacement procedure . .
Q-HSO (Quartz High Stability Oscillator) Replacement . .
Q-HSO (Quartz High Stability Oscillator) Replacement
Preparation . . . . . . . . . . . . . . . . . . . . . .
Required tools . . . . . . . . . . . . . . . . . . . . .
Torque requirements. . . . . . . . . . . . . . . . . .
Required item . . . . . . . . . . . . . . . . . . . . .
Q-HSO replacement procedure . . . . . . . . . . . .
Reference diagram. . . . . . . . . . . . . . . . . . .
BCUII card cage assembly replacement procedures . . . .
Objectives . . . . . . . . . . . . . . . . . . . . . . .
Introduction . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . .
BCUII Fan Tray Replacement . . . . . . . . . . . . . . .
Objectives . . . . . . . . . . . . . . . . . . . . . . .
Introduction . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . .
Replacement Procedure . . . . . . . . . . . . . . . .
eNodeB PDU Replacement . . . . . . . . . . . . . . . . .
Objective. . . . . . . . . . . . . . . . . . . . . . . .
Preparation . . . . . . . . . . . . . . . . . . . . . .
eNodeB PDU replacement procedure . . . . . . . . .
68P09308A55-6
FEB 2010
8-2
8-3
8-3
8-3
8-3
8-6
8-6
8-6
8-6
8-10
8-10
8-10
8-10
8-12
8-12
8-12
8-12
8-14
8-14
8-14
8-14
8-17
8-17
8-17
8-17
8-18
8-18
8-18
8-18
8-20
8-20
8-20
8-20
8-25
8-25
8-25
8-25
8-26
8-30
8-30
8-30
8-31
iii
Contents
iv
68P09308A55-6
FEB 2010
List
of
Figures
List of Figures
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1-1: Major components . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2: Radio Frame Shelf . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1: Frame dimensions and clearances . . . . . . . . . . . . . . . . . .
2-2: System Power Cabling . . . . . . . . . . . . . . . . . . . . . . . .
2-3: System Data Cabling . . . . . . . . . . . . . . . . . . . . . . . .
3-1: Indoor system . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2: Radio Frame Shelf . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3: Location of ground terminals on a Motorola rack . . . . . . . . . .
3-4: PDU power connection . . . . . . . . . . . . . . . . . . . . . . .
3-5: PDU Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6: BCUII physical design . . . . . . . . . . . . . . . . . . . . . . . .
3-7: Cabling Power to +27 V dc BCUII . . . . . . . . . . . . . . . . . .
3-8: BCUII Grounding . . . . . . . . . . . . . . . . . . . . . . . . . .
3-9: Radio/Filter Shelf . . . . . . . . . . . . . . . . . . . . . . . . . .
3-10: Installing Duplexer . . . . . . . . . . . . . . . . . . . . . . . . .
3-11: Tying power cables to the cable tie brackets . . . . . . . . . . . .
3-12: RFS ground cable connection . . . . . . . . . . . . . . . . . . .
3-13: RFGPS installation and components diagram. . . . . . . . . . . .
3-14: BCUII Q-HSO unit . . . . . . . . . . . . . . . . . . . . . . . . .
4-1: BCUII physical design . . . . . . . . . . . . . . . . . . . . . . . .
4-2: Cabling Power to –48 Vdc BCUII. . . . . . . . . . . . . . . . . . .
4-3: BCUII Grounding . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1: 700 MHz RRH connections . . . . . . . . . . . . . . . . . . . . .
5-2: LTE 2.1/2.6 GHz RRH Wall Mount Bracket Mounting Hole Locations
5-3: LTE 2.1/2.6 GHz RRH Mounting Bracket . . . . . . . . . . . . . .
5-4: 2.1 GHz RRH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1: System Power Cabling . . . . . . . . . . . . . . . . . . . . . . . .
6-2: 2.6 GHz RRH connections . . . . . . . . . . . . . . . . . . . . . .
6-3: RRH power cabling . . . . . . . . . . . . . . . . . . . . . . . . .
6-4: Fiber Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-5: BCUII Fiber Optic Cable Grommet Location . . . . . . . . . . . . .
6-6: Fiber Optic Cable Brackets . . . . . . . . . . . . . . . . . . . . .
6-7: Fiber Optic Cable Clip Installation. . . . . . . . . . . . . . . . . .
7-1: BCUII Power Switch . . . . . . . . . . . . . . . . . . . . . . . . .
8-1: RFS fan tray in unlocked position . . . . . . . . . . . . . . . . . .
8-2: RFS fan tray in locked position . . . . . . . . . . . . . . . . . . .
8-3: Q-HSO removal and installation . . . . . . . . . . . . . . . . . . .
8-4: BCUII Fiber Cover . . . . . . . . . . . . . . . . . . . . . . . . . .
8-5: Fan tray removal and installation . . . . . . . . . . . . . . . . . .
8-6: PDU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
68P09308A55-6
FEB 2010
1-5
1-6
2-6
2-12
2-13
3-3
3-4
3-8
3-12
3-13
3-14
3-16
3-18
3-19
3-20
3-23
3-24
3-27
3-28
4-2
4-4
4-5
5-17
5-19
5-21
5-22
6-6
6-7
6-8
6-11
6-12
6-13
6-14
7-3
8-15
8-16
8-19
8-23
8-29
8-32
List of Figures
vi
68P09308A55-6
FEB 2010
List
of
Tables
List of Tables
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Table 1-1: PDU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1-2: Conigurations Supported. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2-1: LTE eNodeB component dimensions . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2-2: Wire AWG (min 90C insulation rating) and circuit breaker sizing for +27 V dc frame
systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2-3: Wire AWG (min 90C insulation rating) and circuit breaker sizing for –48 V dc remote
RF based eNodeB (for systems using the Motorola -48 V PDU) . . . . . . . . . . . . . . . . .
Table 2-4: eNodeB Cable Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-1: Frame-based eNodeB cable connections to PDU breakers . . . . . . . . . . . . . .
Table 3-2: Lug criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-1: LED conigurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6-1: Fiber cables routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 6-2: Lug criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 8-1: eNodeB FRU Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
68P09308A55-6
FEB 2010
1-4
1-7
2-4
2-7
2-8
2-13
3-13
3-13
5-17
6-15
6-21
8-2
vii
List of Tables
viii
68P09308A55-6
FEB 2010
About
This
Manual
LTE eNodeB Indoor Hardware Installation
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What is covered in this manual?
This document provides the physical hardware installation procedures for the LTE frame and
radio units. It is not a system or site planning document.
68P09308A55-6
FEB 2010
Revision history
Revision history
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The following sections show the revision status of this document.
Version information
The following table describes the changes made to this document:
Version
Date of issue
Description
OCT 2009
Initial release.
NOV 2009
Removed FCC Requirements. Updated Chapter 6.
Added several igures and split Procedure 6–2 into
two separate procedures: connecting to the BCUII
and connecting to the RRH.
NOV 2009
Added PDU Connection igure in Chapter 3.
DEC 2009
Added RRH Power cable detail.
Corrected FTR issues.
FEB 2010
Updated eNodeB FRU Information.
FEB 2010
Updates from review comments.
Release information
This is the irst release of this document.
Resolution of Service Requests
The following Service Requests are resolved in this document:
Service
Request
CMBP Number
NA
NA
Description
Initial release
68P09308A55-6
FEB 2010
General information
General information
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Purpose
Motorola documents provide the information to operate, install, and maintain Motorola
equipment. It is recommended that all personnel engaged in such activities be properly trained
by Motorola.
Motorola disclaims all liability whatsoever, implied or expressed, for any risk of damage, loss or
reduction in system performance arising directly or indirectly out of the failure of the customer,
or anyone acting on the customer's behalf, to abide by the instructions, system parameters,
or recommendations made in this document.
These documents are not intended to replace the system and equipment training offered by
Motorola. They can be used to supplement and enhance the knowledge gained through such
training.
NOTE
If this document was obtained when attending a Motorola training course, it is not
updated or amended by Motorola. It is intended for TRAINING PURPOSES ONLY. If it
was supplied under normal operational circumstances, to support a major software
release, then Motorola automatically supplies corrections and posts on the Motorola
customer website.
Cross references
References made to external publications are shown in italics. Other cross references,
emphasized in blue text in electronic versions, are active links to the references.
This document is divided into numbered chapters that are divided into sections. Sections are
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A banner indicates that some information contained in the document is not yet approved for
general customer use. A banner is oversized text on the bottom of the page, for example,
PRELIMINARY — UNDER DEVELOPMENT
68P09308A55-6
FEB 2010
Text conventions
Text conventions
The following conventions are used in Motorola documents to represent keyboard input text,
screen output text, and special key sequences.
Input
Characters typed in at the keyboard are shown like this sentence.
Items of interest within a command appear like this sentence.
Output
Messages, prompts, file listings, directories, utilities, and environmental
variables that appear on the screen are shown like this sentence.
Items of interest within a screen display appear like this sentence.
Special key sequences
Special key sequences are represented as follows:
CTRL-c or CTRL+C
Press the Ctrl and C keys at the same time.
CTRL-SHIFT-c or
CTRL+SHIFT+C
Press the Ctrl, Shift, and C keys at the same time.
ALT-f or ALT+F
Press the Alt and F keys at the same time.
ALT+SHIFT+F11
Press the Alt, Shift and F11 keys at the same time.
¦
Press the pipe symbol key.
RETURN or ENTER
Press the Return or Enter key.
68P09308A55-6
FEB 2010
Contacting Motorola
Contacting Motorola
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Motorola appreciates feedback from the users of our documents.
24–hour support
If you have problems regarding the operation of your equipment, contact the Customer Network
Resolution Center (CNRC) for immediate assistance. The 24–hour telephone numbers are listed
at https://mynetworksupport.motorola.com. Select Customer Network Resolution Center
contact information. Alternatively if you do not have access to CNRC or the internet, contact
the Local Motorola Ofice.
Ordering documents and CD-ROMs
With internet access available, to view, download, or order documents (original or revised), visit
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Without internet access available, order hard-copy documents or CD-ROMs from your Motorola
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If Motorola changes the content of a document after the original printing date, Motorola
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Questions and comments
Send questions and comments regarding user documentation to the email address:
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Errors
To report a documentation error, call the CNRC (Customer Network Resolution Center) and
provide the following information to enable CNRC to open an SR (Service Request):
•
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•
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•
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•
A detailed description of the error and if possible the proposed solution
68P09308A55-6
FEB 2010
Errors
68P09308A55-6
FEB 2010
Chapter
Introduction
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68P09308A55-6
FEB 2010
1-1
Overview
Chapter 1: Introduction
Overview
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This document provides information pertaining to the hardware and cabling installation for the
frame-based eNodeB and Remote RF-based eNodeB versions of the Motorola LTE eNodeB
Hardware. The speciic hardware units discussed in this manual are as follows:
•
Power Distribution Unit (PDU)
•
BCUII
•
Radio Heads
•
GPS
Not a planning guide
Do not use this manual as a planning guide. Complete all site-speciic plans and information
before starting the installation. The site-speciic information determines the exact placement
of the frames, FRUs, and cables.
Follow the site plan
Items and cables are covered in the installation procedure that may not apply to a speciic site
coniguration. Refer to the site plan to determine which items and cables are installed. Skip
over those procedures for items and cables that are not required.
Prerequisites
The following are the three major prerequisites:
•
A Structural Engineer has speciied the procedure, tools, and equipment to mount the
frame to the loor.
•
All the site preparations (including power) are completed according to the site plan.
•
All site planning and coniguration information is available.
System shipped unassembled
The eNodeB is shipped unassembled in several cartons/boxes. The eNodeB is assembled at
the customer’s site.
1-2
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Product Description
Product Description
The eNodeB versions described in this manual provide air interface support to user equipment
while also terminating signaling and bearer packets and communicating with other eNodeB
peers in the network. The eNodeB supports FDD in a range of frequencies, including: 700 MHz,
2.1 GHz, and 2.6 GHz. The eNodeB has two conigurations. The irst is a frame-based eNodeB
which consists of a standard 19-inch rack, BCUII, Radio Filter Shelf (contains frame radio and
duplexer), and a +27 V PDU. The second is a Remote RF-based eNodeB which consists of a
standard 19-inch rack, BCUII, Remote Radio Heads, and an optional –48V PDU.
Racks
Motorola provides racks, designed to meet seismic zone 4 loading, in three sizes:
•
Indoor 19-inch rack (925 mm)
•
Indoor 19-inch rack (1325 mm)
•
Indoor 19-inch rack (1769 mm)
Base Control Unit II
The BCUII is a small, self-contained rack mountable unit. It can have one or two modems, a
fan, a PSU, and an optional Q-HSO.
Remote Radio Head
The LTE eNodeB Remote Radio Head (RRH) is a frequency-dependent Radio Resource Unit
(RRU) that can be mounted remotely from the indoor frame. It is a standalone naturally
convection cooled outdoor product that can also be installed indoors.
Radio Filter Shelf
The radio ilter shelf is a rack mountable unit. It includes a fan assembly, and a ilter/duplexer.
Also, the LTE eNodeB frame based radio (FBR) is mounted in the radio ilter shelf.
Frame Based Radio
The LTE eNodeB frame based radio (FBR) is a frequency-dependent radio resource unit that is
mounted in the radio ilter shelf. It requires forced convection cooling and is installed indoors.
68P09308A55-6
1-3
FEB 2010
Product Description
Chapter 1: Introduction
Power Distribution Unit
The PDU is available in a +27 V dc version for frame-based eNodeB or a –48 V dc version for
Remote RF-based eNodeB. The customer can choose to provide their own PDU function for
the Remote RF-based eNodeB conigurations.
Table 1-1 PDU
Power
Amperage
+27 V dc
175A input from customer
–48V dc
100A input from customer
Supports
3 Radios via 3x 40A breakers
1x BCUII via 1x 30A breaker
3x Aux via 1x 15A breaker
Manual Order
Chapter 1 — Introduction This chapter provides scope of the manual, an overview of
manual chapters, and identiication of the eNodeB major components. Also described are the
different conigurations that are supported and how all the components interact.
Chapter 2 — Site Preparation This chapter provides the procedures and information to
verify that the site is ready to have the frames and other equipment installed.
Chapter 3 — Frame-based eNodeB Installation This chapter provides information
for unpacking, installing, and grounding the rack, and installing major components of the
frame-based eNodeB.
Chapter 4 — Installation of the indoor portions of the Remote RF based
eNodeB This chapter provides information for installing the BCUII.
Chapter 5 — Installation of the RRH This chapter provides information for installing the
Remote Radio Head (RRH).
Chapter 6 — Cabling of the RRH This chapter provides cabling instructions for the RRH
and interconnect from the indoor rack mounted equipment to the building I/O point for the
Remote RF Based eNodeB.
Chapter 7 — Power-up sequence This chapter provides the power-up sequence for the
eNodeB.
Chapter 8 — Field Replaceable Units This chapter provides procedures for removal
and replacement of FRUs.
1-4
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Major Components with Call-outs
Major Components with Call-outs
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Figure 1-1
Major components
3X
Radio Shelves
BCUII
Remote Radio Head
PDU
E1_majorcomponents_eNodeB.eps
68P09308A55-6
1-5
FEB 2010
Major Components with Call-outs
Figure 1-2
Chapter 1: Introduction
Radio Frame Shelf
Radio
RF Filter
(behind front panel)
1-6
Fan Tray
Power Input
Ground Lug
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Conigurations supported
Conigurations supported
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The following conigurations are supported:
Table 1-2 Conigurations Supported
BCU
Power
Supply
Frequency Band
Coniguration Type
Frame Mounted
BCUII
+27 V dc
700 MHz
Frame-based eNodeB
Remote Radio Head
BCUII
–48V dc
2.1 GHz
Remote RF-based
eNodeB
Remote Radio Head
BCUII
–48V dc
2.6 GHz
Remote RF-based
eNodeB
Remote Radio Head
BCUII
–48V dc
700 MHz
Remote RF-based
eNodeB
Radio
68P09308A55-6
FEB 2010
1-7
Conigurations supported
1-8
Chapter 1: Introduction
68P09308A55-6
FEB 2010
Chapter
Site preparation
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68P09308A55-6
FEB 2010
2-1
Overview
Chapter 2: Site preparation
Overview
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The Site preparation section provides the procedures and information to verify that the site is
ready to have the frames and other equipment installed.
Preparing the site for equipment arrival
Based on the site characteristics, execute the steps that apply to the site.
Preparing the outdoor site for the equipment
A detailed layout of the site is provided with the site-speciic documentation. Before installing
the hardware, compare the information presented here to the site-speciic documentation layout
and verify the following with the site manager:
•
Site is clean.
•
Site-speciic documentation covering all site-dependent installation information is
available.
•
The installation area has restricted access. Equipment is meant to be installed and
operated in a restricted access location.
•
All building/site AC or DC power cabling has been installed.
•
The screen (outer shield) of the RF antenna coaxial cable must be connected to earth
(grounded) at the entrance to the building. Connecting ground should be done in
accordance with applicable national electrical installation codes (Section 820.93 of the
National Electrical Code, ANSI/NFPA 70.
•
This equipment shall be connected directly to the dc supply system earthing electrode
conductor or to a bonding jumper from an earthing terminal bar or bus to which the dc
supply system earthing electrode conductor is connected.
This equipment shall be connected directly to the dc supply system earthing electrode
conductor or to a bonding jumper from an earthing terminal bar or bus to which the
dc supply system earthing electrode conductor is connected.
This equipment shall be located in the same immediate area (such as adjacent
cabinets) as any other equipment that has a connection between the earthed
conductor of the same dc supply circuit and the earthing conductor, and also the point
of earthing of the dc system. The dc system shall not be earthed elsewhere.
The dc supply source shall be located within the same premises as this equipment.
Switching or disconnecting devices shall not be in the earthed circuit conductor
between the dc source and the point of connection of the earthing electrode conductor.
•
2-2
Verify that the Master Ground Bar is connected to a solid earth ground. Connecting the
Master Ground Bar is required to ensure protection from hazardous voltages by providing
a high integrity protective earthing circuit when the frame is later grounded to the Master
Ground Bar.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Preparing the site for equipment arrival
•
The site can maintain the operating temperature range.
•
The building meets the voltage and amperage requirements shown in DC supply
equipment, Main circuit breaker, and DC input cable on page 2-7.
•
The site can meet the chassis dimensions (as shown in LTE eNodeB Component Dimensions
on page 2-4) and not violate any of the required clearances (as shown in Figure 2-1).
•
The DC supply equipment, Main circuit breaker, and DC input cable called out in Table 2-2
for the LTE frame DC input are either installed or available to be installed.
•
The mounting location can support the weight of the LTE frame as stated in Table 2-1.
•
To comply with UL/60950-1 second edition safety requirements, cables connected to AISG
and Customer I/O must be no more than 42 meters (140 feet) and the frame ground
conductor size must be a minimum of 6 AWG.
Procedure 2-1
Preparing the outdoor site for the equipment
Locate the demarcation blocks for external utilities.
Verify that they are shown on the Site Engineering documents and determine
the required cable routing back to the equipment frames.
Verify the following:
•
Availability of appropriate electrical ground connections for the
equipment.
•
Compliance with any site engineering documentation and speciications.
•
DC power is available and meets the site documentation speciications.
•
Pole and/or wall mounting structures are adequate. Ensure that a
qualiied structural engineer veriies the RRH wall or pole structure and
wall-mount or pole-mount installation for the weight of the installation
under adverse conditions in the installation area.
•
Outdoor cable runs are installed and meet local building codes.
•
Customer input termination tie points are available.
•
Availability of lighting and power for installation.
Preparing the indoor site for the equipment
Perform the following steps:
Procedure 2-2
Preparing the indoor site for the equipment
Locate the demarcation blocks for internal utilities.
Continued
68P09308A55-6
2-3
FEB 2010
LTE eNodeB Component Dimensions
Chapter 2: Site preparation
Preparing the indoor site for the equipment (Continued)
Procedure 2-2
Verify that they are shown on the Site Engineering documents, and determine
the required cable routing back to the equipment frames.
Verify the following:
•
Availability of lighting and power for installation.
•
Availability of appropriate electrical ground connections for the
equipment.
•
Access to, and routing of; input power, RF output, and general
interconnection cabling space.
•
DC power is available and meets the site documentation speciications.
•
Level surface and loor support to handle the weight of the eNodeB
equipment, frame, and cabling.
•
Compliance with any site engineering documentation and speciications.
LTE eNodeB Component Dimensions
Table 2-1 shows component dimensions for both Frame-based eNodeB and Remote RF-based
eNodeB conigurations.
Table 2-1 LTE eNodeB component dimensions
Item
Description
Width
(mm)
Depth
(mm)
Height
(mm)
Weight
(in lbs)
Mass
(in Kg)
Height
(Rack
units)
Quantity
Frame
Remote
STHN4146
19" Rack
530
430
925
66.14
30.00
18
STHN4121
19" Rack
530
430
1325
77.16
35.00
27
STHN4120
19" Rack
565
430
1769
125.66
57.00
37
STLN6905
Power
Distribution
Unit - +27 V
dc
485
295
44
8.82
4.00
—
STLN6906
Power
Distribution
Unit - –48V
485
295
44
8.82
4.00
—
SG1756
BCUII
485
330
132
17.60
8.00
STLN6903
Radio/Duplexer
Shelf
485
330
132
17.64
8.00
1 to 3
—
Either Frame or
Remote
Continued
2-4
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Frame dimensions and clearances
Table 2-1 LTE eNodeB component dimensions (Continued)
Item
Description
Width
(mm)
Depth
(mm)
Height
(mm)
Weight
(in lbs)
Mass
(in Kg)
Height
(Rack
units)
Quantity
STFF4046
Dual Duplexer
(Upper C
Band)
215
290
63
11.02
5.00
—
1 to 3
—
STWF4000
LTE Indoor
Radio (Upper
C Band)
356
305
60
14.33
6.50
—
1 to 3
—
2.6 GHz RRH
325
174
409
41
18.8
—
1 to 3
2.1 GHz RRH
325
189
409
43
19.8
—
1 to 3
700 MHz RRH
346
210
344
40
18.0
1 to 3
NOTE
Height, Width, Depth dimensions do not include connectors or cables that may be
attached. These dimensions also do not include the removal handles or the hinge.
Frame dimensions and clearances
Figure 2-1 shows the footprint of the rack.
68P09308A55-6
2-5
FEB 2010
Frame dimensions and clearances
Chapter 2: Site preparation
Figure 2-1 Frame dimensions and clearances
NOTE
An insulating pad is attached to the base of the rack to electrically isolate the rack
from the loor.
2-6
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Electrical Requirements
Electrical Requirements
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Cabinet voltage
There are two basic power system types:
•
Remote RF-based eNodeB: –48 V dc RRH 700 MHz, 2.1 GHz, 2.6 GHz— for this type, the
customer can use the optional –48 V dc PDU from Motorola or their own circuit breakers.
•
Frame-based eNodeB: +27 V dc frame radio 700 MHz — for this type, the +27 V dc PDU,
frame radios, and BCUII are all co-located in the same rack.
DC supply equipment, Main circuit breaker, and DC input cable
The DC supply equipment, main circuit breaker, and DC input cables are determined by the
site characteristics.
Table 2-2 Wire AWG (min 90C insulation rating) and circuit breaker sizing for +27 V
dc frame systems
Number of
Radios
LTE FDD
Breaker size (A)
Wire size
(AWG)
Maximum cable
length (m)
LTE Frame
175
3/0 AWG
16
LTE Frame
175
3/0 AWG
20
LTE Frame
150
2/0 AWG
16
LTE Frame
125
1/0 AWG
13
LTE Frame
175
3/0 AWG
29
LTE Frame
150
2/0 AWG
23
LTE Frame
125
1/0 AWG
18
LTE Frame
100
1 AWG
14
LTE Frame
90
2 AWG
11
68P09308A55-6
2-7
FEB 2010
DC supply equipment, Main circuit breaker, and DC input cable
Chapter 2: Site preparation
Table 2-3 Wire AWG (min 90C insulation rating) and circuit breaker sizing for –48 V
dc remote RF based eNodeB (for systems using the Motorola -48 V PDU)
Number of
Radios
LTE FDD
2-8
Breaker
size (A)
Wire size (AWG)
Maximum cable
length (m)
LTE RRH
175
3/0 AWG
69
LTE RRH
150
2/0 AWG
55
LTE RRH
150
2/0 AWG
55
LTE RRH
125
1/0 AWG
44
LTE RRH
100
1 AWG
35
LTE RRH
90
2 AWG
27
LTE RRH
80
3 AWG
22
LTE RRH
175
3/0 AWG
89
LTE RRH
150
2/0 AWG
70
LTE RRH
125
1/0 AWG
56
LTE RRH
100
1 AWG
44
LTE RRH
90
2 AWG
35
LTE RRH
80
3 AWG
28
LTE RRH
70
4 AWG
22
LTE RRH
175
3/0 AWG
124
LTE RRH
150
2/0 AWG
98
LTE RRH
125
1/0 AWG
78
LTE RRH
100
1 AWG
62
LTE RRH
90
2 AWG
49
LTE RRH
80
3 AWG
39
LTE RRH
70
4 AWG
31
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Site grounding
Wire AWG (min 90C insulation rating) and circuit breaker sizing for –48
VDC RRH systems without PDU option (customer-provided PDU function)
For BCUII powered directly from the –48 V dc branch circuit, where the PDU is optional:
•
BCUII DC branch circuit protection: Single pole 20 A rated circuit breaker for nominal
–48 V dc
•
BCUII DC cable: Customer-supplied DC power cable, VW-1 #8 – #10 AWG, 10 m (32.8
feet), UL temperature rating 105°C (167°F).
For RRH powered directly from the –48 V dc branch circuit, where the PDU is optional:
•
RRH DC branch circuit protection: Single pole 30 A rated circuit breaker for nominal
–48 V dc.
•
DC cable #1 (branch circuit breaker to building I/O point): Customer-supplied DC power
cable, VW-1 #8, 10 m (32.8 feet) or less, UL temperature rating 105°C (167°F).
•
DC cable #2 (building I/O point to RRH): Motorola supplied AB, as per Table 2-4.
Site grounding
Site grounding is according to Grounding Guidelines for Cellular Radio Installations (Motorola
part number 68P81150E62).
68P09308A55-6
2-9
FEB 2010
Environment Requirements
Chapter 2: Site preparation
Environment Requirements
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Operating temperature range
The minimum airlow clearances for the product under which it must operate through the entire
temperature range with at least one vertical face open are described.
The operating temperature range is as follows:
•
Operating Temperature Range – Install the equipment in an environment compatible with
the maximum ambient temperature of the equipment. The frame-based eNodeB and indoor
components of the remote RF based eNodeB operate over the following temperature
ranges within the altitudes shown:
-5ºC to +55ºC from -100 m to 1500 m
-5ºC to +40ºC from 1500 m to 3500 m
-5ºC to +35ºC from 3500 m to 4000 m
The LTE Remote Radio Head operates over the following temperature ranges within the
altitudes shown:
-40ºC to +55ºC from -100 m to 1500 m
-40ºC to +40ºC from 1500 m to 3500 m
-40ºC to +35ºC from 3500 m to 4000 m
2-10
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Cable Requirements
Cable Requirements
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Figure 2-2 and Figure 2-3 show the power cabling and data cabling for the eNodeB system.
68P09308A55-6
2-11
FEB 2010
Cable Requirements
Chapter 2: Site preparation
Figure 2-2 System Power Cabling
RACK
AL
Customer
Supplied
BCU
**
MGB
Rack
AE
AL
Customer
Power
+27 V
AC
Customer
Supplied
AC
PDU
+27 V
AC
Radio Shelf
Radio Shelf
Radio Shelf
** When using a Motorola rack, only the BCU and the frame need to be cabled to the MGB.
When using a non-Motorola rack, all items must be cabled to the MGB.
RRH STYLE 1
AL
Customer
Supplied
MGB
Customer
Power
-48 V
BCU
Surge suppressors
and filters *
AE
AL
Customer
Supplied
PDU
-48 V
* Surge suppressors and filters are customer supplied.
MGB = Master Ground Bus
AK
AB
AK
AB
AK
AB
RRH
RRH
RRH
Building
Entrance/Exit
RRH STYLE 2
MGB
Customer
Supplied
Surge suppressors
and filters *
AL
BCU
AB
AB
Customer
Power
-48 V
AB
Customer
Supplied
RRH
RRH
RRH
Building
Entrance/Exit
* Surge suppressors and filters are customer supplied.
MGB - Master Ground Bus
2-12
E1_SysPwrCabling1.eps
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
eNodeB Cable Descriptions (min 90C insulation rating)
Figure 2-3 System Data Cabling
RACK
AF *
RFGPS
AD
Customer
Termination
AG
AD
BCU
AN
Ethernet
RF
Radio Shelf
Customer
Supplied
AF *
AM
Customer I/O
Antenna
RF
Radio Shelf
Customer
Supplied
AF *
AD
Fiber Optic
Antenna
RF
Radio Shelf
Customer
Supplied
* Cable AF connects RF signal between the
TRANSMIT OUT and TX on the Radio Shelf.
Antenna
Building
Entrance/Exit
RRH
RFGPS
AA
Customer
Termination
Customer I/O
Ethernet
Antenna
AG
RRH
AM
AN
AA
BCU
AA
Fiber Optic
RRH
RRH
RF
Customer
Supplied
Antenna
RF
Customer
Supplied
Antenna
RF
Customer
Supplied
Building
Entrance/Exit
E1_eNodeB_SysdataCable1.eps
eNodeB Cable Descriptions (min 90C insulation rating)
Table 2-4 eNodeB Cable Descriptions
Cable label
AA
Part number
Description
SYKN8904
6 m (19.68 ft), Fiber Optic Cable
SYKN8905
20 m (65.6 ft), Fiber Optic Cable
SYKN8906
40 m (131.2 ft), Fiber Optic Cable
SYKN8907
60 m (196.8 ft), Fiber Optic Cable
SYKN8908
80 m (262.4 ft), Fiber Optic Cable
SYKN8909
100 m (328.0 ft), Fiber Optic Cable
Where used
Remote Based eNodeB
Continued
68P09308A55-6
2-13
FEB 2010
eNodeB Cable Descriptions (min 90C insulation rating)
Table 2-4
Cable label
AB
2-14
Chapter 2: Site preparation
eNodeB Cable Descriptions (Continued)
Part number
Description
Where used
SYKN8859
20 m (65.6 ft), 8 AWG — RRH DC
Power Cable (105C rated)
SYKN8860
6 m (19.68 ft), 10 AWG — RRH DC
Power Cable (105C rated)
SYKN8864
40 m (131.2 ft), 8 AWG — RRH DC
Power Cable (105C rated)
SYKN8863
60 m (196.8 ft), 6 AWG — RRH DC
Power Cable (105C rated)
SYKN8862
80 m (262.4 ft), 6 AWG — RRH DC
Power Cable (105C rated)
SYKN8861
100 m (328.0 ft), 6 AWG — RRH DC
Power Cable (105C rated)
AC
STKN4129
Radio Power Cables —Pwr Cable to
connect Radio Shelf to PDU
frame-based eNodeB
AD
STKN4134
Radio Fiber Cables / Transceivers —
3-foot iber cable with two optical
transceivers used to interconnect the
BCU to each RF Radio
frame-based eNodeB
AE
STKN4128
BCUII Power cable
frame-based eNodeB,
Remote Based eNodeB
AF
STKN4130
Radio RF Cables — Transmit cable
from the radio to the ilter/duplexer
frame-based eNodeB
AG
SGKJ4000
50-Foot GPS Cable — 50-Foot RFGPS
Cable
frame-based eNodeB,
Remote Based eNodeB
AH
T472AC
76 m (250 ft), RGPS cable — Includes
receiver and cables in pre-cut lengths
frame-based eNodeB,
Remote Based eNodeB
T472AE
304 m (998 ft), RGPS cable — Includes
receiver and cables in pre-cut lengths.
frame-based eNodeB,
Remote Based eNodeB
AI
Customer
DC power cable, VW-1 #8 – #10 AWG,
10 m (32.8 ft), UL temperature rating
105°C (167 °F).
Remote Based eNodeB
AK
3088961T10
Power cable, female connector on
one end with two wires on the other
end, 1000 mm +/-200 mm, 2 stranded
cables/wires (black and red), 8 AWG
Remote Based eNodeB
AL
Customer
Ground cable, 6 AWG, length need
determined by site coniguration
frame-based eNodeB,
Remote Based eNodeB
AM
CGDS19797321 Customer I/O cable, part of SGLN8484,
connector on one end and loose wires
on the other
frame-based eNodeB,
Remote Based eNodeB
AN
Customer
frame-based eNodeB,
Remote Based eNodeB
Ethernet, RJ45 connectors,
straight-through, shielded CAT5e, 90
m, max. 24 AWG solid conductor
Remote Based eNodeB
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Tools required for installing the eNodeB components
Tools required for installing the eNodeB components
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The following tools are required to perform the installation of eNodeB components:
Torque wrenches:
•
SMA Torque Wrench
•
Type N connector torque wrench
•
Torque driver capable of driving bits 1.1 N-m (10 in-lb), 1.3 N-m (12 in-lb), 1.8 N-m (16
in-lb), 4.7 N-m (42 in-lb), and 5.1 N-m (45 in-lb)
•
Torque driver capable of torquing 10 mm socket to 5.1 N-m (45 in-lb)
Bit driver and bits:
•
Bit driver
•
T15 Torx bit
•
T20 Torx bit
•
T25 Torx bit
•
T30 Torx bit
•
T20 Torx security bit
•
T30 Torx security bit
•
Flat blade screwdriver bit
General tools:
•
10 mm socket
•
13 mm socket (to install M8 nuts on RRH)
•
19 mm socket (for M12 bolts)
•
3-inch socket extension
•
10 mm nut driver
•
Wire strippers
•
Cable insulation stripping tool (example: Greenlee 1900)
Recommended tools:
•
Side cutters
•
6-inch bit driver extension
68P09308A55-6
FEB 2010
2-15
Tools required for installing the eNodeB components
2-16
Chapter 2: Site preparation
68P09308A55-6
FEB 2010
Chapter
Frame-based eNodeB Installation
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The procedures described in this chapter relate to the frame-based eNodeB system which is
+27 V dc only.
68P09308A55-6
FEB 2010
3-1
Overview
Chapter 3: Frame-based eNodeB Installation
Overview
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•
Operating Temperature – Operating temperature range on page 2-10. Install the equipment
in an environment compatible with the maximum ambient temperature of the equipment.
•
Reduced Air Flow – Install the equipment in the rack such that the amount of air low
required for safe operation of the equipment is not compromised.
•
Mechanical Loading – Mount the equipment in the rack to prevent a hazardous condition
due to uneven mechanical loading.
•
Circuit Overloading – Use appropriate equipment nameplate ratings when connecting the
equipment to the supply circuit. Consider the effect that overloading of the circuits may
have on over current protection and supply wiring.
•
Reliable Grounding – Grounding of the rack-mounted equipment must be reliable. Pay
attention to the supply connections other than the direct connections to the branch circuit
(for example, use of power strips).
Plan the location of the LTE eNodeB system within the rack.
3-2
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Figure 3-1
Overview
Indoor system
3X
Radio Shelves
BCUII
PDU
E1_majorcomponents_eNodeB.eps
68P09308A55-6
3-3
FEB 2010
Overview
Chapter 3: Frame-based eNodeB Installation
Figure 3-2
Radio Frame Shelf
Radio
RF Filter
(behind front panel)
3-4
Fan Tray
Power Input
Ground Lug
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Unpacking Equipment
Unpacking Equipment
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Verify the contents of all shipments for completeness, accuracy, and serviceability of all
components before installation. The equipment is shipped with a packing list, listing all the
parts shipped. On receiving the equipment, check the packing list to verify that all items are
received. Check all cables for damage and all hardware for scratches and dents. Download
or retrieve the appropriate documentation to install the product. Contact Motorola if any
discrepancy exists between the packing list and the delivered material.
68P09308A55-6
3-5
FEB 2010
Installation of the rack
Chapter 3: Frame-based eNodeB Installation
Installation of the rack
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The Installation of the rack section provides procedures to install and ground the rack.
Rack and ground cable installation
The Rack and ground cable installation section provides the procedure to mount the standard
19-inch rack to the loor and install the ground cable.
The LTE system can be installed in a 19-inch rack supplied by Motorola or a customer-supplied
rack. The Motorola rack is recommended, as it ensures that the proper ground path is achieved
through chassis grounds through the PDU and Radio Filter Shelf mechanics without the use of
separate ground cables. If a non-Motorola rack is used, a ground cable must be used for each of
these components plus the BCUII, which requires a ground cable with any rack type.
An insulating pad is attached to the base of the rack to electrically isolate the rack from the loor.
Structural engineer prerequisite
Ensure that the procedure, tools, and equipment required to mount the rack to the loor are
speciied by a Structural Engineer.
Required items
The following items are required:
3-6
•
Rack
•
10 mm socket
•
19 mm socket
•
6 plastic shoulder washers
•
Torque driver
•
Crimper tool - Anderson Power Products part number 1368 - Hydraulic hand tool, maximum
cable size of 300 MCM.
•
6 carbon steel grade 8.8 bolts M12 or other bolts as determined by structural engineer customer supplied.
•
Other items, speciied by the structural engineer, that are required to install the rack.
•
Customer supplied ground cable, 6 AWG or larger diameter.
•
Two-hole ground lug and mounting nuts - part of rack hardware kit.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Rack and ground cable installation
Installing rack and ground cable
Perform the steps in Procedure 3-1 to install the rack and ground cable.
Procedure 3-1
Installing rack and ground cable
Mount the rack to the loor using the hardware, tools, and procedures deined
by the structural engineer.
NOTE
Motorola recommends using carbon steel grade 8.8 M12 bolts.
Route the ground cable between the Master Ground Bar (MGB) and the rack.
NOTE
Ground cables must not have sharp bends.
Strip insulation from the frame end of the ground cable.
Attach the 2-hole lug to the rack-end of the ground cable.
Either use the appropriate crimping tool or solder the lug to the cable.
Attach the end of the ground cable with the 2-hole lug to the two terminal
studs at the top of the rack. Using 2 nuts, 10 mm socket and ratchet, tighten
the nuts to 5.1 N-m (45 in-lb).
Refer to Figure 3-3 for location of ground terminal studs on the rack.
68P09308A55-6
Cut the ground cable to length and connect it to the Master Ground Bar.
Verify that the Master Ground Bar is connected to a solid earth ground.
3-7
FEB 2010
Rack and ground cable installation
Figure 3-3
Chapter 3: Frame-based eNodeB Installation
Location of ground terminals on a Motorola rack
Ground Cable With
2-hole Lug Fastened
To Ground Terminals
Earth Ground
Terminal Studs
Rack
(top/rear view, shown
partially cut away)
3-8
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Installing the +27 V dc (PDU)
Installing the +27 V dc (PDU)
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The Installation of the Power Distribution Unit (PDU) section provides the procedure to install
the PDU.
The connecting +27 V dc power section provides the following information:
•
Attaching the contact/lugs, connector, and cable clamp on the +27 V dc power input cable
wires.
•
Connecting the +27 V dc input power cable to the rear of the PDU.
•
Routing the loose ends of the wires to the site +27 V dc source for connection.
Required materials and tools
The following materials and tools are required:
•
One +27 V dc Power Input Cable (DC) - customer supplied.
NOTE
Motorola recommends the use of Red wire for feed (+V) and Black wire for
return (-V).
•
Crimp tool appropriate for wire size and lug being used.
•
Wire stripper/cutters.
•
Digital Multi-Meter (DMM) Fluke Model 8062A with Y8134 test lead kit or equivalent; used
for precision DC and AC measurements, requiring 4-1/2 digits.
Installing the PDU
Perform the following procedures in to install the PDU in the 19-inch rack.
Procedure 3-2
Adjusting Mounting Ears
NOTE
Use +27 V dc power PDU with the part number STLN6905
Continued
68P09308A55-6
3-9
FEB 2010
Installing the PDU
Chapter 3: Frame-based eNodeB Installation
Procedure 3-2
Adjusting Mounting Ears (Continued)
Adjust the side ears as follows:
NOTE
The PDU and all other LTE frame equipment can be mounted into
the rack in a forward or rearward position. The PDU, BCUII, and
Radio Filter Shelf are provided with mounting ears installed, so
that these components are in the forward position in the rack.
If desired, the mounting ears can be changed, so the PDU resides in the rear
position within the rack.
1.
Disassemble the left and right mounting ears from the PDU side brackets
using a T20 driver.
2.
Reinstall the left and right mounting ears on the PDU side bracket at
the front position using a T20 driver. Torque the M4 screws to 1.8 N-m
(16 in-lb).
Perform the following procedure to install the PDU.
Procedure 3-3
Mounting PDU into Rack
Mount the PDU into the 19-inch rack as follows:
Use the screws provided with the PDU. If other screws are to be used, then
obtain four screws which are at least 10 mm (3/8 inch) long.
NOTE
The M5 screws are attached in a bag to the rear bracket.
Mount the PDU in the bottom most Rack Unit. Install two screws per side
using a T25 Torx bit and torque to 4.7 N-m (42 in-lb).
Perform the following procedure to ground the PDU.
Procedure 3-4
Grounding PDU
NOTE
Perform this step only if a non-Motorola rack is used. 19-inch racks
that are painted on the 19-inch mounting rail front face require
an external PDU ground cable.
Continued
3-10
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 3-4
Installing the PDU
Grounding PDU (Continued)
The PDU is supplied with 2-hole crimp lugs for 1/0 AWG standard
or 2 AWG high-strand count lex wire. If another type of cable is
required, order a new lug as needed. The new lug and ground cable
must equal the size determined for the DC Input Cables in the
preceding steps. Ensure that the lug meets the criteria in Table 3-2.
The expected load condition and cable length determines the wire
gauge required for your system. See Table 2-2.
Crimp the two-hole lug onto the Ground Cable.
Install the lug onto the PDU Rear Bracket. Secure the lug with two M6 Nylock
nuts torqued to 5.1 N-m (45 in-lb).
Cut the ground cable to length and connect it to Master Ground Bar.
Perform the following procedure to connect power to the PDU.
Procedure 3-5
Connect the PDU to power
Ensure that the ground cable is connected between the rack and the Master
Ground Bar.
Ensure that the +27 V dc Power Input Cable (DC) is not connected to the main
+27 V dc power source.
Turn off the main +27 V dc power source.
Conirm that the power is switched OFF using a DVM.
The PDU is supplied with 2-Hole crimp on lugs for 1/0 AWG standard or 2
AWG high-strand count lex cable. If you require another type of cable, order
new lugs as needed. Ensure that the lugs meet the criteria in Table 3-2
NOTE
The expected load condition and cable length determine the wire
gauge required for the system. See Table 2-2.
Remove the lug cover and service cover using their respective snaps.
Insert the two-hole lugs through the rear of the PDU, so that the holes in the
lugs align with the holes in the lug mounting plates.
Install two M6 lat washers and two M6 x 16 screws into each lug (4 washers
and 4 nuts total for the 2 lugs) using a T30 Torx driver.
NOTE
The lat washers and screws are supplied in the bags zip tied to the
PDU rear bracket.
Leave the screws loose so that the lugs can be adjusted side-to-side.
Continued
68P09308A55-6
3-11
FEB 2010
Installing the PDU
Chapter 3: Frame-based eNodeB Installation
Procedure 3-5
Connect the PDU to power (Continued)
Replace the lug cover while adjusting the cables to ensure that the cover
can be snapped into position.
Tighten the lug screws to 5.1 N-m (45 in-lb) and replace the service cover.
Install zip ties around the cables through the rear bracket and pull tight for
suficient strain relief.
10
Connect the other end of the +27 Vdc power and return wires to the power
source.
NOTE
Do not turn on the power source at this time. This must be done
after the installation and cabling is complete.
Figure 3-4
PDU power connection
ti-cdma-05694.eps
3-12
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Installing the PDU
Table 3-1 Frame-based eNodeB cable connections to PDU breakers
Load
Connector
BKR 1
BCUII
BKR 2A
Auxiliary Equipment #1
BKR 2B
Auxiliary Equipment #2
BKR 2C
Auxiliary Equipment #3
BKR 3
Radio Sector 1
BKR 4
Radio Sector 2
BKR 5
Radio Sector 3
Figure 3-5 PDU Front
PDU front.eps
Table 3-2 Lug criteria
PDU input
+27 V dc
Ground
68P09308A55-6
LTE PDU input
label text
Crimp lug's center – to
– center spacing of M6
(1/4”) screw holes
+27 V dc (red
arrow)
19 mm (3/4 inch)
0V (black arrow)
16 mm (5/8 inch)
Frame ground
16 mm (5/8 inch)
Wire gauge compatibility
for supplied lugs
1/0 standard cable
3-13
FEB 2010
Installation of the BCUII
Chapter 3: Frame-based eNodeB Installation
Installation of the BCUII
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The Installation of the BCUII section provides general information and procedures for installing
a Base Control Unit II (BCUII).
BCUII is designed as an indoor component that can be mounted on a standard 19-inch rack.
Figure 3-6 shows the BCUII.
Figure 3-6 BCUII physical design
ti-cdma-05694.eps
Required materials and tools
The following materials and tools are required:
3-14
•
BCUII SG1756
•
T15 driver
•
T10 driver
•
T25 torx bit
•
10 mm socket
•
Customer supplied ground cable, length determined by distance from the unit to the
master ground.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
BCUII installation
•
Wire stripper/cutters.
•
Digital Multi-Meter (DMM) Fluke Model 8062A with Y8134 test lead kit or equivalent; used
for precision DC and AC measurements, requiring 4-1/2 digits.
BCUII installation
Procedure 3-6
Adjusting Mounting Ears
Adjust the side ears as follows:
NOTE
The BCUII and all other LTE frame equipment can be mounted into
the rack in a forward or rearward position. The PDU, BCUII, and
Radio Filter Shelf are provided with mounting ears installed, so
that these components are in the forward position in the rack.
If desired, the mounting ears can be changed, so the BCUII resides in the
rear position within the rack.
1.
Disassemble the left and right mounting ears from the BCUII side
brackets using a T10 driver.
2.
Reinstall the left and right mounting ears on the BCUII side bracket at
the front position using a T10 driver. Torque the M3 screws to 1.12
N-m (10 in-lb).
NOTE
Left mounting ear goes to the right side and the right mounting
ear goes to the left side.
Perform the steps in Procedure 3-7 to install power cables to the BCUII.
Procedure 3-7
Cabling Power to BCUII
Strip each wire 12.7 mm (1/2 inch).
Insert wires according to the color code on the back of the BCUII. Tighten
the screws to 1.3 N-m (12 in-lb). See Figure 3-7.
Plug the black 2-pin connector into the front of the PDU Brkr 1.
Route the cable with the green screw terminal connector towards the rear
over the left mounting ear.
Continued
68P09308A55-6
3-15
FEB 2010
BCUII installation
Chapter 3: Frame-based eNodeB Installation
Procedure 3-7
Cabling Power to BCUII (Continued)
Thread the cable through the slot in the left side bracket just behind the
plastic housing and across the rear of the PDU.
Install the BCUII in the rack.
NOTE
The power cable must be plugged into BCUII during the BCUII
installation procedure.
Figure 3-7
Cabling Power to +27 V dc BCUII
-27V.eps
Perform the steps in Procedure 3-8 to install the BCUII.
Procedure 3-8
BCUII Installation
Place a rack mounting screw in the ifth hole above the PDU right ear bracket.
Leave the screw head spaced out from the rack face to allow for the BCUII
mounting ear to be installed over the screw head.
Place a rack mounting screw in the ifth or sixth hole above the PDU left ear
bracket. Leave the screw head spaced out from the rack face to allow the
BCUII mounting ear to be installed over the screw head.
Continued
3-16
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 3-8
BCUII installation
BCUII Installation (Continued)
Hang the BCUII on the two mounting screws and mate the green two-position
Screw Terminal Connector into the BCUII Power Supply on the rear.
Tighten the two retaining screws into the mating connector to 1.3 N-m (12
in-lb.
Use a T25 torx bit to install the remaining (two screws per side) rack mounting
screws. Torque all rack mounting screws to 4.7 N-m (42 in-lb).
Connecting Ground to BCUII
Perform the steps in Procedure 3-9 to connect the ground cable to BCUII.
Procedure 3-9
Connecting ground to BCUII
Remove the ground lug from the left inside wall using a 10 mm socket or
nut driver.
Crimp the BCUII ground lug onto a 6 AWG wire.
Attach the ground wire double hole lug to the threaded studs located at the
BCUII card cage front left corner.
Secure the ground wire lug to the threaded studs with the two M6 nuts. Using
a 10 mm socket and torque driver, tighten the nuts to 5.1 N-m (45 in-lb).
Connect the other end of the ground wire to the master ground bar.
NOTE
Do not reinstall iber cover (feed through plate) at this time. Set it
aside for safe keeping until the iber installation is completed later.
68P09308A55-6
3-17
FEB 2010
BCUII installation
Chapter 3: Frame-based eNodeB Installation
Figure 3-8
BCUII Grounding
Fiber Cover
2X Screws
Ground Lug
Detail A
See DetailA
3-18
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Installation of Radio/Filter Shelf (RFS) and Frame Mounted Radio Head
Installation of Radio/Filter Shelf (RFS) and Frame
Mounted Radio Head
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Radio/Filter Shelf
Figure 3-9
TRANSMI
OUT 0
TRANSMI
OUT 1
D4+0 D4+1
LED LED
D4+1
D4+0
TRANSMIT
STAT
US
MODULE
STAT
US
CONTROL
PROCESSOR
FAN TRAY
MODULESTATUS
TRANSMIT STATUS
TRANSMIT
OUT1
CONTROL
PROCESSOR
ENET
D4+1
D4+0
KIT
NUMBER
SERIAL
NUMBER
TRANSMIT
OUT0
D4+1
D4+0
LTE
ENET
CABLE
CLIP
CABLE
CLIP
TX/RX-0
FWD
REF
TX-0
TX/RX-1
FWD
REF
TX-1
VSWR
+27V
TX/RX-0 FWD
+27V
0V GND
FWD REF
VSWR
REF TX -0
TX/RX-1
0V
TX -1
FRONT VIEW
LTE_shelf_frt.eps
This section provides the procedure to install the Radio/Filter Shelf (RFS).
The following materials and tools are required:
•
RFS STLN6903
•
RF Head STWF 4000
•
Customer supplied ground cable, length determined by distance from the unit to the
master ground (required only if not using the Motorola provided rack).
•
T20 Torx bit
•
10 mm socket
•
T25 Torx bit
•
Wire stripper/cutters
68P09308A55-6
3-19
FEB 2010
Installation of Radio/Filter Shelf (RFS) and Frame Mounted Radio Head
Chapter 3: Frame-based eNodeB Installation
Perform the following procedure to install the RFS Duplexer.
Procedure 3-10
Installing RFS Duplexer
Move the two RF cables out of the way. Insert the Duplexer into the RFS.
Pull the Duplexer towards the front, so the Duplexer body rests against the
inside front face of the RFS chassis.
Using a T20 Torx, screw two M4 screws through the front face of the RFS into
the Duplexer body. Torque to 2.25 N-m (20 in-lb).
With a 10 mm socket and 3-inch socket extension, secure the Duplexer to
the two M6 studs in the bottom of the RFS shelf with two M6 nuts. Torque
to 5.1 N-m (45 in-lb).
Mate the two RF cables at the rear of the Duplexer. Ensure that the cable
bends are no less than 6 mm (1/4 inch) radius.
Figure 3-10 Installing Duplexer
The RFS can be mounted into the rack in a forward or rearward position. The RFS is provided
with the mounting ears installed so that it is in the forward position in the rack.
3-20
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 3-11
Installation of Radio/Filter Shelf (RFS) and Frame Mounted Radio Head
Adjusting Mounting Ears
NOTE
Use RFS with the part number STLN6903.
Adjust the side ears as follows:
NOTE
The Radio Filter Shelf and all other LTE frame equipment can be
mounted into the rack in a forward or rearward position. The PDU,
BCUII, and RFS are provided with mounting ears installed, so that
these components are in the forward position in the rack.
If desired, the mounting ears can be changed, so the RFS resides in the rear
position within the rack.
1.
Disassemble the left and right mounting ears from the RFS side brackets
using a T20 driver.
2.
Reinstall the left and right mounting ears on the PDU side bracket at
the front position using a T20 driver. Torque the M4 screws to 2.25
N-m (20 in-lb).
NOTE
The left mounting ear goes to the right side and the right mounting
ear goes to the left side.
Procedure 3-12
68P09308A55-6
Installing RFS
For both the left and right side of the 19-inch rack, install one rack mounting
screw in the ifth hole above the BCUII Mounting Ear Bracket. Leave the
screw head spaced out from the rack face to allow the BCUII Mounting Ear
to be installed over the screw head.
With the RFS oriented so that the Duplexer is towards the bottom, install the
RFS so that the center keyhole in the Side Mounting Bracket slips over the
rack mounting screws installed in step 1.
Secure the RFS to the rack. Use a T25 Torx bit to install the remaining rack
mounting screws to 4.7 N-m (42 in-lb).
3-21
FEB 2010
RFS power cable installation
Chapter 3: Frame-based eNodeB Installation
Perform the following procedure to install the Fame Mounted Radio Head.
Procedure 3-13
Installing Frame Mounted Radio Head
With the Radio oriented with the handle to the left, slide the Radio into the
RFS until fully seated.
Using a T20 Torx, screw the two black thumbscrews on the front of the Radio
into the RFS. Torque to 2.25 N-m (20 in-lb).
RFS power cable installation
One power cable is required per RFS.
Perform the steps in Procedure 3-14 to install the DC power cable to the RFS.
Procedure 3-14
3-22
Installing RFS power cable
Plug the RFS cables into the PDU breakers 4, 5, and 6. Make the connections
per the information in Table 3-1, where sector 1 is the bottom-most RFS in the
frame.
Install cable tie brackets to the radio ilter shelf (snap in place). Use zip ties
to tie the power cables to the cable tie brackets as shown in Figure 3-11.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
RFS Ground Cable Installation
Figure 3-11 Tying power cables to the cable tie brackets
RFS Ground Cable Installation
Perform the steps in Procedure 3-15 to add an external ground cable to the RFS.
NOTE
Execute Procedure 3-15 only if the rack is not a Motorola rack. The Motorola rack has
no paint on the 19-inch mounting rail front face. Ground current can travel through
the PDU chassis to the frame ground lug. Other 19-inch racks that have paint on the
19-inch mounting rail front face require an external RFS ground cable.
68P09308A55-6
3-23
FEB 2010
RFS Ground Cable Installation
Chapter 3: Frame-based eNodeB Installation
Procedure 3-15
Installing RFS ground cable
Crimp the 2–hole crimp lug onto the customer supplied ground cable.
NOTE
The RFS is supplied with 2-hole crimp lugs for 6 AWG standard
wire.
Install the lug onto the RFS.
Using a 10 mm socket and driver, secure the lug with 2 M6 nuts torqued
to 5.1 N-m (45 in-lb).
Figure 3-12 RFS ground cable connection
M6 Nuts
3-24
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Installation of the GPS
Installation of the GPS
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Installing RFGPS antenna and cable
Figure 3-13 shows the components of the RFGPS (RFGPS).
When mounting the RFGPS Antenna consider the following items:
•
The mounting pipe for the RFGPS head is mounted vertically with less than ive (5)
degrees of tilt.
•
The RFGPS head requires a clear view of the sky, preferably within ten (10) degrees of the
horizon in all directions.
•
The more sky that is observed increases the number of potential satellites that can be
tracked, resulting in better RFGPS performance.
•
During normal operation, the RFGPS head continuously tracks a minimum of four (4)
GPS satellites. However, it is theoretically possible to operate the BTS by tracking only
one (1) GPS satellite. Motorola does not recommend tracking only one (1) GPS satellite
unless there has been an accurate site survey.
•
Place the RFGPS head where RF obstructions of the sky are minimal. The sky includes
everything within ten (10) degrees of the horizon in all directions. RF obstructions include
buildings, towers, natural rock formations, snow, foliage, and debris.
Perform the following procedure to install local GPS (RFGPS):
Procedure 3-16
Installing RFGPS antenna and cabling
Determine the location for the RFGPS Surge Protection device (preferably at
the entrance to the building).
Connect the RFGPS Surge Protection device to the master ground bus (MGB).
Determine the mounting location.
CAUTION
Ensure that a qualiied structural engineer veriies the roof structure
on which the mounting pole is attached for the weight of the RFGPS
engine and mounting hardware under adverse conditions in the
installation area.
Install the mounting kit at the RFGPS location. Use the appropriate mounting
bolts for mounting surface.
Continued
68P09308A55-6
3-25
FEB 2010
Installing RFGPS antenna and cable
Procedure 3-16
3-26
Chapter 3: Frame-based eNodeB Installation
Installing RFGPS antenna and cabling (Continued)
Attach the RFGPS antenna assembly to the mounting bracket and secure the
washer and custom nut supplied. See Figure 3-13.
Attach the grounding kit to the mounting pole with U-bolts and secure using
the washers and nuts supplied. See Figure 3-13.
Connect the N connector of the 50 ft (15.24 m) superlex cable to the RFGPS
antenna cable.
Route the other end of the superlex cable down the pole and to the RFGPS
Surge Protection device. Connect the cable to the RFGPS Surge Protection
device. Secure cable using cable ties where appropriate.
Attach one end of a cable (customer supplied) to the RFGPS Surge Protection
device and the other end to the RFGPS connector on the BCUII. The BCUII
connector is an SMA style connector. Secure cable using cable ties where
appropriate.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Installing RFGPS antenna and cable
Figure 3-13 RFGPS installation and components diagram
BCU II
STATUS
ENET-A
Surge Suppressor
Customer Supplied
Typ ically installed at
entrance to building
CUSTOMER /O
Customer
Supplied
AP CONTROL
ENET-B
TDD
CUST. ENET
RGPS
RF-GPS
RF-GPS Connector
E1_eNodeB_RFGPS_cbl.eps
68P09308A55-6
3-27
FEB 2010
Optional equipment
Chapter 3: Frame-based eNodeB Installation
Optional equipment
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This section contains general information and procedures for installing the optional equipment.
Quartz-high stability oscillator
The Quartz high stability oscillator (Q-HSO) is available as an optional equipment to
accommodate customers with the backup timing module. Since it is optional, the Q-HSO may
not be present in all installations. However, if it is initially ordered it is installed at the factory.
Figure 3-14 BCUII Q-HSO unit
9-Pin Sub-D Connector
Captive Thumbscrew
9-Pin Sub-D Connector
Q-HSO
Rear View
Mounting Tab
Q-HSO
Mounting Tab Slot
ti-cdma-05694.eps
ti-cdma-05694.eps
If the Q-HSO is not factory installed, perform the steps Procedure 3-17 to install the unit.
3-28
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 3-17
Quartz-high stability oscillator
Q-HSO installation
Install the Q-HSO by inserting the tab into the slot in the BCUII. Refer to
Figure 3-14. Push the Q-HSO until it seats in the D-type connector at the
rear of the tray.
Use a T20 Torx bit to install the Q-HSO. Torque to 2.25 N-m (20 in-lb)
NOTE
The Q–HSO must warm up for 60 minutes to reach a steady state
before it can take over for a failed GPS signal. If the active site
controller card reboots during the 60 minute warm-up period,
the timer is reset, and the Q–HSO must warm up for another 60
minutes before use.
The REF FAULT LED on the BCUII controller card lights when the Q–HSO is
irst installed but turns off by the time it is warmed up.
68P09308A55-6
FEB 2010
3-29
Quartz-high stability oscillator
3-30
Chapter 3: Frame-based eNodeB Installation
68P09308A55-6
FEB 2010
Chapter
Installation of the indoor portions of the
Remote RF based eNodeB
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68P09308A55-6
FEB 2010
4-1
Installation of the BCUII
Chapter 4: Installation of the indoor portions of the Remote RF based eNodeB
Installation of the BCUII
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The Installation of the BCUII section provides general information and procedures for installing
a Base Control Unit II (BCUII).
BCUII is designed as an indoor component that can be mounted on a standard 19-inch rack.
Figure 4-1 shows the BCUII.
Figure 4-1 BCUII physical design
ti-cdma-05694.eps
Required materials and tools
The following materials and tools are required:
4-2
•
BCUII SG1756
•
T15 driver
•
Customer supplied ground cable, length determined by distance from the unit to the
master ground.
•
Wire stripper/cutters.
•
Digital Multi-Meter (DMM) Fluke Model 8062A with Y8134 test lead kit or equivalent; used
for precision DC and AC measurements, requiring 4-1/2 digits.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
BCUII installation
BCUII installation
Procedure 4-1
Adjusting Mounting Ears
Adjust the side ears as follows:
NOTE
The BCUII and all other LTE frame equipment can be mounted into
the rack in a forward or rearward position. The PDU, BCUII, and
Radio Filter Shelf are provided with mounting ears installed, so
that these components are in the forward position in the rack.
If desired, the mounting ears can be changed, so the BCUII resides in the
rear position within the rack.
1.
Disassemble the left and right mounting ears from the BCUII side
brackets using a T10 driver.
2.
Reinstall the left and right mounting ears on the BCUII side bracket at
the front position using a T10 driver. Torque the M3 screws to 1.12
N-m (10 in-lb) .
NOTE
The left mounting ear goes to the right side and the right mounting
ear goes to the left side.
Perform the steps in Procedure 4-2 to install power cables to the BCUII.
Procedure 4-2
Cabling Power to BCUII
Strip each wire 12.7 mm (1/2 inch).
Insert wires according to the color code on the back of the BCUII. Tighten
the screws to 1.3 N-m (12 in-lb). See Figure 4-2
Plug the black 2-pin connector into the front of the PDU Brkr 1.
Route the cable with the green screw terminal connector towards the rear
over the left mounting ear.
Thread the cable through the slot in the left side bracket just behind the
plastic housing and across the rear of the PDU.
Install the BCUII in the rack.
NOTE
The power cable must be plugged into BCUII during the BCUII
installation procedure.
68P09308A55-6
4-3
FEB 2010
BCUII installation
Chapter 4: Installation of the indoor portions of the Remote RF based eNodeB
Figure 4-2 Cabling Power to –48 Vdc BCUII
-48V.eps
Perform the steps in Procedure 4-3 to install the BCUII.
Procedure 4-3
BCUII Installation
Place a rack mounting screw in the ifth hole above the PDU right ear bracket.
Leave the screw head spaced out from the rack face to allow for the BCUII
mounting ear to be installed over the screw head.
Place a rack mounting screw in the ifth or sixth hole above the PDU left ear
bracket. Leave the screw head spaced out from the rack face to allow the
BCUII mounting ear to be installed over the screw head.
Hang the BCUII on the two mounting screws and mate the green two-position
Screw Terminal Connector into the BCUII Power Supply on the rear.
Tighten the two retaining screws into the mating connector to 1.3 N-m (12
in-lb).
Use a T25 torx bit to install the remaining (two screws per side) rack mounting
screws. Torque all rack mounting screws to 4.7 N-m (42 in-lb).
Connecting Ground to BCUII
Perform the steps in Procedure 4-4 to connect the ground cable to BCUII.
Procedure 4-4
Connecting ground to BCUII
Remove the ground lug from the left inside wall using a 10 mm socket or
nut driver.
Crimp the BCUII ground lug onto a 6 AWG wire.
Continued
4-4
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 4-4
BCUII installation
Connecting ground to BCUII (Continued)
Attach the ground wire double hole lug to the threaded studs located at the
BCUII card cage front left corner.
Secure the ground wire lug to the threaded studs with the two M6 nuts. Using
a 10 mm socket and torque driver, tighten the nuts to 5.1 N-m (45 in-lb).
Connect the other end of the ground wire to the master ground bar.
NOTE
Do not reinstall iber cover (feed through plate) at this time. Set it
aside for safe keeping until the iber installation is completed later.
Figure 4-3 BCUII Grounding
Fiber Cover
2X Screws
Ground Lug
Detail A
See DetailA
68P09308A55-6
FEB 2010
4-5
BCUII installation
4-6
Chapter 4: Installation of the indoor portions of the Remote RF based eNodeB
68P09308A55-6
FEB 2010
Chapter
Installation of the RRH
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68P09308A55-6
FEB 2010
5-1
Installing the Remote Radio Head
Chapter 5: Installation of the RRH
Installing the Remote Radio Head
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The Remote Radio Head (RRH) is available in three models:
•
700 MHz
•
2.1 GHz
•
2.6 GHz
Installing the 700 MHz RRH
The 700 MHz RRH can be conigured in two ways:
•
Wall mount coniguration
•
Pole mount coniguration
Perform the following procedure to install the 700 MHz RRH to a wall.
Procedure 5-1
700 MHz RRH wall mount coniguration
Drill four holes of the appropriate size into the wall for the wall mount
anchors as recommended by the structural engineer. Drill the holes in the
locations as shown.
Continued
5-2
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 5-1
68P09308A55-6
Installing the 700 MHz RRH
700 MHz RRH wall mount coniguration (Continued)
Install the top two M8 bolts in the top two slots on the wall. Bolts should not
be tightened. Bolt heads should be spaced at least 15 mm from the wall.
Continued
5-3
FEB 2010
Installing the 700 MHz RRH
Chapter 5: Installation of the RRH
Procedure 5-1
700 MHz RRH wall mount coniguration (Continued)
Step 2
Step 4
NOTE
Ensure that a qualiied structural engineer veriies the wall
structure and wall-mount installation for the weight of the
installation under adverse conditions in the installation area.
Hang the wall mount bracket, inserting the two M8 bolts into the keyhole
slots. Slide the bracket into the inal location.
Insert two M8 bolts in the bottom two slots and tighten them using a 13 mm
socket. Tighten the initial two bolts installed in step 2 using a 13 mm socket.
NOTE
Torque setting for bolts must comply with the value recommended
by the manufacturer of the wall anchors.
M8 x 50 bolts are provided. However, other fasteners may be
necessary per the recommendations of the structural engineer.
Continued
5-4
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 5-1
Installing the 700 MHz RRH
700 MHz RRH wall mount coniguration (Continued)
Fix the 700 MHz securing plate to the back of the 700 MHz unit. Using a T30
security Torx driver, tighten the captive M6 fastener to a minimum torque
of 5.1 N-m (45 in-lbs).
RRH Securing Bracket
Captive M6 fastener
NOTE
The securing bracket is shipped in the same packaging as the wall
mounting bracket.
Continued
68P09308A55-6
5-5
FEB 2010
Installing the 700 MHz RRH
Chapter 5: Installation of the RRH
Procedure 5-1
700 MHz RRH wall mount coniguration (Continued)
Insert the RRH into keyholes on the bracket using the mounting feet.
Continued
5-6
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 5-1
Installing the 700 MHz RRH
700 MHz RRH wall mount coniguration (Continued)
Fix the securing bracket to the wall mount bracket. Tighten the captive
M6 fastener using a T30 security TORX driver to a minimum torque of 5.1
N-m (45 in-lbs).
Captive M6 fastener
Using a T25 Torx driver, remove the handles after installation of the RRH.
Continued
68P09308A55-6
5-7
FEB 2010
Installing the 700 MHz RRH
Chapter 5: Installation of the RRH
Procedure 5-1
700 MHz RRH wall mount coniguration (Continued)
Fit the solar cover by inserting the hinges on the RRH into the recesses in the
top panel of the cover.
10
Secure the solar cover with M6 captive fasteners located in each bottom
corner. Tighten the fastener using a T30 security TORX driver to a minimum
torque of 5.1 N-m (45 in-lbs).
Continued
5-8
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 5-1
700 MHz RRH pole mount coniguration
700 MHz RRH wall mount coniguration (Continued)
700 MHz RRH pole mount coniguration
Perform the following procedure to install the 700 MHz RRH to a pole.
Procedure 5-2
Fix the pole mounting brackets to the pole with U-bolts or banding straps.
If banding straps are used:
•
68P09308A55-6
700 MHz RRH pole mount coniguration
Install each pole mount bracket with a steel strap. Tighten the steel
straps with banding tools. Follow the instructions of the speciied
banding tool from BAND-IT to tighten the steel straps.
Continued
5-9
FEB 2010
700 MHz RRH pole mount coniguration
Procedure 5-2
•
Chapter 5: Installation of the RRH
700 MHz RRH pole mount coniguration (Continued)
Motorola recommends the BAND-IT C00169 tool.
NOTE
Ensure that a qualiied structural engineer veriies the pole
structure and pole-mount installation for the weight of the
installation under adverse conditions in the installation area.
Location for optional band installation
Location for optional band installation
Continued
5-10
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 5-2
700 MHz RRH pole mount coniguration
700 MHz RRH pole mount coniguration (Continued)
Secure the pole mount brackets with eight M6 bolts to the wall mounting
bracket. Torque to 5.1 N-m (45 in-lb) using a 10 mm socket.
Continued
68P09308A55-6
5-11
FEB 2010
700 MHz RRH pole mount coniguration
Procedure 5-2
Chapter 5: Installation of the RRH
700 MHz RRH pole mount coniguration (Continued)
Fix the 700 MHz securing bracket to the back of the 700 MHz unit. Using
a T30 security Torx driver, tighten the captive M6 fastener to a minimum
torque of 5.1 N-m (45 in-lbs).
RRH Securing Bracket
Captive M6 fastener
NOTE
The securing bracket is shipped in the same packaging as the 700
MHz RRH and wall mount bracket.
Continued
5-12
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 5-2
700 MHz RRH pole mount coniguration
700 MHz RRH pole mount coniguration (Continued)
Insert the 700 MHz RRH into keyholes on the bracket using the mounting feet.
Fix the securing brackets to the pole mount bracket. Using a 10 mm socket
TORX driver, tighten the eight captive M6 fasteners to a minimum torque
of 5.1 N-m (45 in-lbs).
Continued
68P09308A55-6
5-13
FEB 2010
700 MHz RRH pole mount coniguration
Procedure 5-2
Chapter 5: Installation of the RRH
700 MHz RRH pole mount coniguration (Continued)
Captive M6 fastener
Using a T25 Torx driver, remove the handles on both sides of the RRH after
installation.
Continued
5-14
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 5-2
700 MHz RRH pole mount coniguration
700 MHz RRH pole mount coniguration (Continued)
Fit the solar cover by inserting the hinges on the RRH the recesses in the
top panel of the cover.
Secure the solar cover with M6 captive fasteners located in each bottom
corner. Tighten the fastener using a T30 security TORX driver to a minimum
torque of 5.1 N-m (45 in-lbs).
Continued
68P09308A55-6
5-15
FEB 2010
700 MHz RRH connections
Procedure 5-2
Chapter 5: Installation of the RRH
700 MHz RRH pole mount coniguration (Continued)
700 MHz RRH connections
Figure 5-1 shows the connections on the under side of an RRH. The RS232/MMI and the
Ethernet connections are placed underneath a protective weather-sealed access cover.
5-16
68P09308A55-6
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LTE eNodeB Indoor Hardware Installation
Installation of 2.1/2.6 GHz RRH
Figure 5-1 700 MHz RRH connections
WARNING
The power input connection is not weather sealed until the mating cable is installed.
Weather sealing is only maintained if the mating cable is installed properly.
A protective cover must be placed over the RS232 / factory timing ports / Ethernet
connectors to ensure proper weather sealing.
Table 5-1 LED conigurations
Transmit LED
Status LED
State
Slow Flashing Green
Bootstrap (Code load) state.
Green
Active standby/call
processing state.
Red
Power Alarm Indication.
Red
RF Alarm Indication.
Alternate Flashing
Red Green
Flash reprogramming state.
Yellow
RRH is transmitting.
For cabling requirements for RRH products, see eNodeB Cable Descriptions (min 90C insulation
rating) on page 2-13. The SFP module that its in the D4+ socket on the RRH has to be ordered
separately.
Installation of 2.1/2.6 GHz RRH
This section provides procedures to install the 2.1/2.6 GHz RRH.
68P09308A55-6
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FEB 2010
Installation of 2.1/2.6 GHz RRH
Chapter 5: Installation of the RRH
The 2.1/2.6 GHz RRH can be conigured in two ways:
•
Wall mount coniguration
•
Pole mount coniguration
The chassis for both 2.1 GHz RRH and 2.6 GHz are similar.
The mounting brackets can accommodate a 2-inch to 4.5-inch diameter pole or be mounted
directly to a lat wall by omitting clamps and threaded rods and using four 7/16-inch diameter
corner holes. A Security Torx T45 driver is required to ix the M8 Security Torx Pan Head screw.
Perform the steps in Procedure 5-3 to install the 2.1/2.6 GHz RRH to a wall.
Procedure 5-3
2.1/2.6 GHz RRH wall mount coniguration
CAUTION
Ensure that a qualiied structural engineer veriies the wall structure
and wall-mount installation for the weight of the installation under
adverse conditions in the installation area.
Drill four holes of the appropriate size into the wall for the wall mount
anchors as recommended by the structural engineer. Drill the holes in the
locations as shown in Figure 5-2.
5-18
Install wall anchors into the drilled holes.
Align the four mounting holes in the wall mount bracket with the four holes
drilled into the wall, and install screws through the mounting bracket into
the wall anchors installed in step 1.
Tighten the four screws to the torque value recommended by the
manufacturer of the wall anchors.
Insert the M8 cap screws into two upper mounting holes on the sides of the
RRH. Engage 2 to 3 threads of each fastener.
Insert the RRH into the bracket and support by positioning the threaded
shanks of the two partially installed M8 cap screws into the open slots at
the top of the bracket.
Pivot the lower portion of the RRH until the lower two mounting holes of the
bracket align with the threaded lower two mounting holes at the sides of the
RRH. Insert the remaining two M8 cap screws and tighten to 24.3 +/–1.3 N-m
(18+/-1 foot-pounds). Tighten the top two M8 cap screws to 24.3 +/–1.3 N-m
(18+/-1 foot-pounds).
Connect the frame ground cable to the designated pad on the bottom
surface of RRH using the two ¼-20 threaded studs, lock washers, and hex
nuts provided with the RRH. Tighten hex nuts to 10.8 +/–1.3 N-m (8+/-1
foot-pounds).
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
2.1/2.6 GHz RRH pole mount coniguration
Figure 5-2 LTE 2.1/2.6 GHz RRH Wall Mount Bracket Mounting Hole Locations
260.35 10.250
260.35 10.250
26.67 1.050
31 3.69 12.350
35.75 1.408
2.1/2.6 GHz RRH pole mount coniguration
Perform the steps in Procedure 5-4 to install the 2.1/2.6 GHz RRH to a pole.
Procedure 5-4
2.1/2.6 GHz RRH pole mount installation
Attach a 50.8 mm (2-inch) pole clamp to the rear surface of the support
bracket. Support in two locations as shown in Figure 5-3. Fasten with M5
x 12 mm long Hex Head screws and tightened to 4.5 +/-.22 N-m (40+/-2
inch-pounds).
Continued
68P09308A55-6
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FEB 2010
2.1/2.6 GHz RRH pole mount coniguration
Procedure 5-4
Chapter 5: Installation of the RRH
2.1/2.6 GHz RRH pole mount installation (Continued)
Insert four M8 x 200 mm long threaded studs through holes in the previously
mounted pole clamp. Thread into the support bracket until studs protrude
1.524 mm-3.175 mm (.06-0.1250 inches) beyond the M8 clinch nuts .
Position the previously assembled mounting bracket against a 50.8 mm
(2-inch minimum) to 114.3 mm (4.5-inch maximum) outside diameter pole,
so that the serrated features capture the pole and the M8 threaded studs
straddle the pole. The assembly must be oriented with the RRH mounting
slots facing upward as shown in Figure 5-3.
Slide the remaining pieces of the 50.8 mm (2-inch) pole clamp onto the M8
threaded studs, on the opposite side of the pole from the previously installed
50.8 mm (2-inch) pole clamp pieces, again capturing the pole within the
serrated features of each piece.
Install the M8 split lock washer and the M8 hex nut onto each M8 threaded
stud, and evenly tighten to 24.3 +/–1.3 N-m (18+/-1 foot-pounds).
Insert the M8 cap screws into two upper mounting holes on the sides of the
RRH. Engage 2 to 3 threads of each fastener.
Insert the RRH into the bracket and support by positioning the threaded
shanks of the two partially installed M8 cap screws into the open slots at
the top of the bracket.
Pivot the lower portion of the RRH until the lower two mounting holes of the
bracket align with the threaded lower two mounting holes at the sides of the
RRH. Insert the remaining two M8 cap screws and tighten to 24.3 +/–1.3 N-m
(18+/-1 foot-pounds). Tighten the top two M8 cap screws to 24.3 +/–1.3 N-m
(18+/-1 foot-pounds).
Connect the frame ground cable to the designated pad on the bottom
surface of RRH using the two ¼-20 threaded studs, lock washers, and hex
nuts provided with the RRH. Tighten hex nuts to 10.8 +/–1.3 N-m (8+/-1
foot-pounds).
LTE 2.1/2.6 GHz RRH Mounting Bracket
Figure 5-3 shows the LTE 2.1/2.6 GHz RRH mounting bracket and Figure 5-2 illustrates the
mounting bracket in a wall mount coniguration along with the necessary mounting hole
locations.
5-20
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
2.1 / 2.6 GHz RRH
Figure 5-3 LTE 2.1/2.6 GHz RRH Mounting Bracket
2-inch pole clamp
Support bracket
Threaded studs
Hex Head screws
Hex nut
Split lock washer
e1_eNodeB_mountingbracket1.eps
2.1 / 2.6 GHz RRH
Figure 5-4 shows the 2.1 GHz RRH.
68P09308A55-6
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FEB 2010
2.1 / 2.6 GHz RRH
Chapter 5: Installation of the RRH
Figure 5-4 2.1 GHz RRH
I/O 2
RX1D
RX2D
AISG
I/O 1
PWR
TX/RX1
TX1M
RX1M
RX1D
2x MOLEX
RX2MD
RX2M
TX2M
TX2/RX2
GND
E1_radiohd_frt.eps
5-22
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Chapter
Cabling of the RRH
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This chapter provides cabling instructions for the RRH, and interconnect from the indoor rack
mounted equipment to the building I/O point for the Remote RF-Based eNodeB.
68P09308A55-6
FEB 2010
6-1
Inter-cabling – between major components
Chapter 6: Cabling of the RRH
Inter-cabling – between major components
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Safety when handling Fiber/Power Supply and Earth Cables
Handling Instructions for Fiber Cables
WARNING
Do not look directly into iber optic cables or data in/out connectors. Either the data
in/out connectors or the un-terminated iber optic cables connected to data in/out
connectors can emit laser radiation.
The following special handling procedures should be followed for all iber cables:
•
Do not remove dust caps except during operation.
•
Do not touch the end surface of the connectors. Protect it from damage at all times. If
cleaning is necessary, use isopropyl alcohol and a cleaning tissue only.
•
Make connections carefully and slowly, being sure to note the anti-rotation key if applicable.
•
When bending, be aware of the minimum bend radius allowed. Do not kink or squeeze
the cable.
•
Prevent the cable from twisting. Be careful when unwinding.
Safety when installing the power supply and earth cables
WARNING
Observe the following power supply and earth cables pre-installation warnings:
6-2
•
Ensure a complete primary earth path by connecting the earth cable to the RRH
before connecting the power supply cable to the main power source.
•
Select the earth cable ratings in accordance with the national and regional wiring
regulations.
•
Ensure that the enclosure earth cable is a 6 AWG.
•
RRH equipment operates at potentially hazardous voltages. Ensure only trained
and competent personnel work on this equipment in accordance with the local
regulations.
•
Exercise caution when installing, commissioning, and removing the protective
covers for any purpose.
•
Avoid wearing anti static wrist strap while servicing the power supplies or power
distribution cabling to prevent serious personal injury.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
RRH gound connections
RRH gound connections
Perform the following procedure to connect RRH to ground.
Procedure 6-1
Connecting RRH to ground
Using a T30 security Torx driver, loosen and remove the earth ground lug
on the RRH.
Obtain a 6 AWG earth cable for the RRH earth lug and remove the outer
sheath to expose the correct length of the bare copper.
Reattach the ground lug onto the RRH. Using a T30 security Torx driver,
tighten the captive screws to 5.1 N-m (45 in-lbs).
Connect the opposite end of the earth cable to an effective earthing point.
RRH power connections
This section contains the procedure for connecting the RRH power cables.
RRH power connection considerations
NOTE
Always check with the local building authorities for the wire size requirements for
your environment.
NOTE
When interfacing with the BCUII, the customer is responsible for providing dc power
to the RRH. The following information is a reminder of the customers responsibilities.
The customer is ultimately responsible to ensure that all grounding guidelines and
customer-supplied Power Cabinet or service bay connections meet local electrical
codes.
Consult the site planning documents to determine if the wire colors have been previously
speciied. Consult the Standards and Guidelines for Communication Site, Motorola part number
68P81089E50 for further power cabling information.
If the dc power cable length between the customer-supplied Power Cabinet or service bay
and the RRH exceeds 3 meters, verify that the power source meets Conducted Emissions
requirements from ETSI EN 301 489-1 Clause 8.3 DC Power Input and Output Ports. This
action is to maintain the regulatory type approval requirement for those markets requiring a
CE mark on the equipment.
68P09308A55-6
6-3
FEB 2010
RRH power connections
Chapter 6: Cabling of the RRH
RRH external power supply
Proper safe guards must be in place to insure compliance with regulatory speciications for the
region of the install. Two areas of concern are Electromagnetic Interference (EMI) and Surge
protection.
Surge protection of the dc output
The speciications for surge protection are:
•
Must be compliant to IEC61000-4-5, Class X 5 KV at 2.5 KA Common Mode and 500 V at
250 A Differential Mode IEC combined waveform.
•
Physically locate the protection unit as close as possible to where the dc line comes into
the structure.
•
Must meet electrostatic discharge per IEC61000–4–2 Level 4.
Motorola recommended surge protectors:
•
Transtector, part number 12R ICP
•
Emerson Power, part number DCB-48
One surge protector is used for each sector.
DC power ilter (EMI protection)
The speciications for the DC power ilter are:
•
Limits for the conducted disturbance at the mains ports of Class B ITE equipment meet the
limits speciied in EN 55022:2006 (derived from CISPR 22:2005)
•
DC series, 15 A to 125 A
•
General-purpose application
•
Supports bulkhead and rack mounting
Motorola recommends the following power ilter:
•
Tyco Electronics (CORCOM), part number 10VN1 (6609052–2)
One power ilter is used for each sector.
RRH dc power cable connection
The following procedure assumes:
6-4
•
The customer is using the Motorola supplied RRH dc power cables.
•
The DC Power Filter and the DC Surge Suppressor units are located inside the customer
location.
•
The DC Power Filter and the DC Surge Suppressor units are already installed and cabled.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
RRH power connections
Refer to Figure 6-3for the location of the power connector on the RRHs. There can be two
methods of supplying power to the BCUII and RRH:
•
Two separate power sources are used. One for the BCUII (-48 V dc) and one for the RRH
(+54 V dc).
•
A single power source (-48 V dc) supplies power to both the BCUII (-48 V dc) and the RRH
(+54 V dc). The polarity must be reversed when connecting the cables to the head to
convert the power source to +54 V dc. Refer to Figure 6-1 for a generic system power
cabling diagram of this method.
68P09308A55-6
6-5
FEB 2010
RRH power connections
Chapter 6: Cabling of the RRH
Figure 6-1 System Power Cabling
RACK
AL
Customer
Supplied
BCU
**
MGB
Rack
AE
AL
Customer
Power
+27 V
AC
Customer
Supplied
AC
PDU
+27 V
AC
Radio Shelf
Radio Shelf
Radio Shelf
** When using a Motorola rack, only the BCU and the frame need to be cabled to the MGB.
When using a non-Motorola rack, all items must be cabled to the MGB.
RRH STYLE 1
AL
Customer
Supplied
MGB
Customer
Power
-48 V
BCU
Surge suppressors
and filters *
AE
AL
Customer
Supplied
PDU
-48 V
* Surge suppressors and filters are customer supplied.
MGB = Master Ground Bus
AK
AB
AK
AB
AK
AB
RRH
RRH
RRH
Building
Entrance/Exit
RRH STYLE 2
MGB
Customer
Supplied
Surge suppressors
and filters *
AL
BCU
AB
AB
Customer
Power
-48 V
AB
Customer
Supplied
RRH
RRH
RRH
Building
Entrance/Exit
* Surge suppressors and filters are customer supplied.
MGB - Master Ground Bus
6-6
E1_SysPwrCabling1.eps
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Figure 6-2
68P09308A55-6
RRH power connections
2.6 GHz RRH connections
6-7
FEB 2010
RRH power connections
Chapter 6: Cabling of the RRH
Figure 6-3 RRH power cabling
Site DC Power
or
Motorola PDU
BCU
Surge Protection and
DC Filters - as required
It is a good practice to ground the
cables at the building entrance using
cable clamps. The power cable
includes a ground braid for this purpose.
Cable clamps are customer supplied
and need to support a 9 mm cable.
RRH
Transmission Entry Point
(Building Entrance/Exit)
RRH
RRH
Note: Head is designed to use -48 V dc.
EMI Filter and Surge Protector are customer supplied.
Procedure 6-2
E1_Head_IndoorBCUII_PWR1.eps
RRH power cabling
Ensure that customer supplied dc power source (+54 V dc or –48 V dc) is
disengaged.
Continued
6-8
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 6-2
RRH power connections
RRH power cabling (Continued)
Before routing the dc power cable, verify that it is properly color coded. If
more than oneRRH is in use, ensure that they are all properly color coded.
The colors are as follows:
•
RFU 1 – RED
•
RFU 2 – BLUE
•
RFU 3 – YELLOW
•
RFU 4 – GREEN
Place a corresponding colored adhesive backed label on the RRH (1-4) chassis
in the area labeled RFU ID.
At the customer location, locate the terminal block which supplies power
to the heads.
Ensure that there is enough cable inside the customer location so that:
•
The Red wire of the cable can connect to the DC Surge Suppressor.
•
The Black wire can connect to the terminal block.
At the transmission entry point (customer building exit/entrance), ground
the cables by:
•
Stripping the power cable of its outer jacket to expose the shield and
inner conductors.
•
Strip back the shield to a length such that it can be properly grounded
using a cable clamp.
Securely clamp the outer cable jacket with enough length for the power
conductors to reach the correct terminal block and the DC Surge Suppressor
without excessive strain. Ensure that there is proper grounding between the
shield, braid, and grounding contacts of the cable clamp.
Terminate the power conductors with ferrules (PN 2987529D01) @ 2X using
the proper crimp tool (Tyco P/N 47387-7). Ensure that there are no loose
strands that might come in contact with a metallic surface, tool, or other
conductor.
Continued
68P09308A55-6
6-9
FEB 2010
RRH to BCUII interconnect
Chapter 6: Cabling of the RRH
Procedure 6-2
RRH power cabling (Continued)
Connect the Black cable to the terminal block. Connect the Red cable to the
DC Surge Suppressor. Tighten the connectors.
CAUTION
•
Ensure that the ferrules do not contact each other, other
metallic structure, tools, or any other conductive media after
inal installation. Care must be taken to ensure that the circuit
is isolated and complete.
•
Do not engage the RRH Circuit Breakers until a complete and
proper connection has been made at the RRH end of the
conductor, and the RRH is in its inal mounted position.
•
Do not over torque the terminal block of the customer supplied
power when tightening the cable connections. The customer
supplied power terminal block must not twist.
Route the power cable up the pole to the appropriate heads. Ground the cable
along its length using the shield and braid of the cable for ground connection
to the tower structure or other main ground point or structure.
If conduit is being used, route the power cables through the conduit.
Connect the power cable to the dc input connector on the RRH. Tie-wrap
cable as necessary. Ensure that there is suficient strain relief.
RRH to BCUII interconnect
Perform the steps in Procedure 6-3 to connect the digital cable to the BCUII.
Procedure 6-3
Connecting the digital cable to the BCUII
Open the BCUII front door and install one iber transceiver module per Radio
into the BCUII, starting with SFP port A.
NOTE
The SFP slots are labeled A, B, C, and D. Populate Slot A irst.
Using a T20 Torx bit, remove two screws to remove the iber cable feed
through plate from the left inside wall of the BCUII.
NOTE
The feed through plate may already be off per the previous
procedures to install the BCUII in the rack.
Position the cable such that the cable is in the lowest position and that the
grommet is in the location indicated in Figure 6-4.
Continued
6-10
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 6-3
RRH to BCUII interconnect
Connecting the digital cable to the BCUII (Continued)
Remove the protective caps from the iber cable connector and the iber
transceiver module.
Mate the iber cable to the left-most iber transceiver, which is marked A
under the iber transceiver module.
Repeat step 1 – step 5 for the second and third iber cable until they are
routed as shown in Figure 6-6 and Figure 6-7.
Connect the second and third iber cables as follows:
•
Second iber cable – Connect to the second grommet, position up and
mate to iber transceiver B.
•
Third iber cable – Connect to the third grommet, position up and mate
to iber transceiver C.
Grommet locations are shown in Figure 6-5
Figure 6-4 Fiber Cable
Grommet
Location
BCU II
Connection
E1_XCR_cable.eps
68P09308A55-6
6-11
FEB 2010
RRH to BCUII interconnect
Figure 6-5
Chapter 6: Cabling of the RRH
BCUII Fiber Optic Cable Grommet Location
GROMMET
D2_BCUII_Grommet_Location.eps
6-12
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
RRH to BCUII interconnect
Figure 6-6 Fiber Optic Cable Brackets
View A
View B
View C
68P09308A55-6
D2_BCUII_FO_Clip_1.eps
6-13
FEB 2010
RRH to BCUII interconnect
Figure 6-7
Chapter 6: Cabling of the RRH
Fiber Optic Cable Clip Installation
Fiber Clip
View A
View B
View C
View D
View E
D2_BCUII_FO_Clip_2.eps
Use Table 6-1 to identify the routing for the cables running between the BCUII slots and the
RRH sectors.
6-14
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
RRH to BCUII interconnect
Table 6-1 Fiber cables routing
BCUII iber transceiver
Radio iber transceiver
RRH sector 1
RRH sector 2
RRH sector 3
None
Perform the steps in Procedure 6-4 to connect the digital cable to the RRH.
Procedure 6-4
Connecting the digital cable to the RRH
WARNING
Check that the dc power has not been connected or isolate the dc
power before commencing the following procedure.
Route the iber cable out of the building and to the RRHs as follows:
1.
Fit one supplied ferrite clip over a pair of D4+ cables, inside the cable
entry box, connecting to the T43 module.
Ensure all the D4+ cable pairs have one ferrite clip itted.
2.
Feed the BCUII cable ends up through the cable gland at the rear of
the cabinet.
3.
Route the cables up inside the rear of the rack and across the top from
rear to front until they appear at the front just above the BCUII card.
4.
Insert SFP iber transceiver modules into the BCUII (follow step 2).
Connect the iber LC connector to the SFP iber transceiver module.
Install the RRH D4+ cable as follows:
1.
Remove the protective covers from the D4+ sockets on the RRH.
2.
Unpack the SFP iber transceiver modules and insert them into the D4+
connectors.
3.
Secure the SFP iber transceiver modules by pushing them irmly home
into the sockets taking care not to damage the extraction handle.
The extraction handle must be folded against the body of the SFP iber
transceiver module before the D4+ cable can be itted.
Continued
68P09308A55-6
6-15
FEB 2010
Installing RF cables from antennas to RRH
Procedure 6-4
Chapter 6: Cabling of the RRH
Connecting the digital cable to the RRH (Continued)
CAUTION
•
Failure to ensure that the SFP
iber transceiver module is inserted
correctly and mated might result in a
connection failure.
•
The D4+ cable can be secured
into position even if the SFP iber
transceiver module is not fully
inserted, which results in what looks
like a irm connection externally but
internally no connection is made.
4.
With the iber connector held out of the way, insert the two cable latches
to the socket.
5.
Holding the iber connector, remove the two small protective caps and
insert the connector into the SFP iber transceiver module.
6.
Ensure that the iber cable is fully latched into the SFP iber transceiver
module.
7.
Move the cable housing forward to cover the iber connection and secure
in to position by screwing it hand-tight on to the socket.
Installing RF cables from antennas to RRH
Perform the steps in Procedure 6-5 to install RF cables from antennas to RRH.
Procedure 6-5
Installing RF cables from antennas to RRH
Remove the protective covers from the TX/RX0 and TX/RX1 ports on the RRH.
Connect the RF antenna cables to the TX/RX0 and TX/RX1 N-type connectors
on the RRH. Using a 19 mm torque wrench, tighten the N-type connections
to 4.3 N-m (38 in-lbs).
Secure the RF cables connecting the RRH to the antenna using cable ties as
appropriate to reduce the chance of damage to the cables.
Customer I/O cable installation
Cable AB, listed in Table 2-4, is required for this installation. Perform the following steps to
install the Customer I/O cable.
6-16
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 6-6
Ethernet cable installation
Installing Customer I/O cable
Install the Customer I/O cable (AB) to the front panel of the BCUII.
Route the opposite end of the Customer I/O cable to the termination
equipment.
Secure the cable with appropriate strain relief using the tie wraps as
necessary.
Ensure that the iber optic and earth ground cables are installed and the
BCUII front panel is latched properly.
Ethernet cable installation
Ethernet ports
The Ethernet ports for the BCUII are located on the front panel. There are three ports available:
•
ENET-A
•
ENET-B
•
Cust. ENET
The Ethernet ports are used as follows:
•
Non-redundant Ethernet Backhaul (BH)- the typical connection is to ENET A, but ENET
B can be used.
•
Redundant Ethernet Backhaul - the typical connection is the primary BH to ENET A and
redundant to ENET B. Redundant BH is not supported at this time.
•
Ethernet Backhaul Diagnostics - the typical connection to ENET A or ENET B is a local
computer with Ethernet trace (Wireshark). This allows backhaul trafic to be monitored
or tested.
•
Customer ENET - Allows access to the backhaul when the ENETA and B ports are being
used.
Ethernet cable installation
Cable AG, listed in Table 2-4 is required for this installation. Perform the steps in Procedure 6-7
to install the Ethernet cable.
Procedure 6-7
Installing the Ethernet cable
Open the package containing the Ethernet cables.
Continued
68P09308A55-6
6-17
FEB 2010
Ethernet cable installation
Chapter 6: Cabling of the RRH
Procedure 6-7
Installing the Ethernet cable (Continued)
Connect the Ethernet cables to the Ethernet ports ENET-A and ENET-B on
the BCUII front panel.
Route the opposite end to the Router. The router provides additional primary
surge protection.
Secure the cables with appropriate strain relief using the tie wraps as
necessary. Ensure that the iber optic and earth ground cables are installed
and the front panel is latched properly.
6-18
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
RRH head –48 V dc power cabling installation
RRH head –48 V dc power cabling installation
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This section contains the procedure for installing the RRH head –48 Vdc power cables.
RRH –48 Vdc power when using a BCUII
When interfacing with the BCUII, the customer is responsible for providing dc power to the
RRH. The customer has the option of using the Motorola –48 VPDU or providing their own
PDU function. The following information is a reminder of the customers responsibilities. The
customer is ultimately responsible to ensure that all grounding guidelines and Customer
Supplied Power Cabinet or service bay connections meet local electrical codes. The following
procedure assumes that the customer is using the Motorola supplied RRH dc power cables.
If the dc power cable length between the Customer Supplied Power Cabinet or service bay
and the RRH exceeds 3 meters, verify that the power source meets Conducted Emissions
requirements from ETSI EN 301 489-1 Clause 8.3 DC Power Input and Output Ports. This
veriication is to maintain the regulatory type approval requirement for those markets requiring
a CE mark on the equipment.
Proper safe guards must be in place to insure compliance with regulatory speciications for the
region of the install. Two areas of concern are Electromagnetic Interference (EMI) and Surge
protection.
Circuit breaker for dc output to head
For circuit breaker and wire gauge requirements for RRH products, see DC supply equipment,
Main circuit breaker, and DC input cable on page 2-7.
Connecting –48 V dc Power
The Connecting –48 V dc Power section provides the following information on routing the loose
ends of the wires to the site –48 V dc source for connection to the source.
To minimize current imbalance between the feed (-V) and return (+V) wires used in the cable,
ensure that the wire size, length, and gauge of each wire used in the cable are the same.
NOTE
This section applies for sites with optional Motorola-provided PDU only.
68P09308A55-6
6-19
FEB 2010
Connecting –48 V dc Power
Chapter 6: Cabling of the RRH
Required materials and tools
The following materials and tools are required:
•
One –48 V dc Power Input Cable - customer supplied.
•
Wire stripper/cutters.
•
Digital Multi-Meter (DMM) Fluke Model 8062A with Y8134 test lead kit or equivalent; used
for precision DC and AC measurements, requiring 4-1/2 digits.
Power cabling and tie down requirements
To control the inductance at the EnodeB DC power input due to the spacing between wires used
in the – 48 V dc Power Input Cable (DC), bind the feed (-V) and return (+V) wires together
at intervals of one meter or less.
Connecting –48 V dc power to the –48 V dc LTE EnodeB .
Perform the steps in Procedure 6-8 to connect –48 V dc power to the –48 V dc LTE EnodeB.
WARNING
•
Do not wear a wrist strap when servicing the power supplies or power distribution
cabling.
•
Ensure that the source for the DC power is in the OFF position.
•
Ensure that all the PDU circuit breakers are OFF.
For the –48 Vdc Remote RF based eNodeB LTE system, the customer has the option of using the
Motorola-provided –48 Vdc PDU or their own circuit breakers. If the Motorola—provided PDU is
used, perform the steps in Procedure 6-8 to install and connect the PDU. Wire AWG / breaker
information is provided Wire AWG (min 90C insulation rating) and circuit breaker sizing for –48
VDC RRH systems without PDU option (customer-provided PDU function) on page 2-9.
Procedure 6-8
Connecting –48 V dc Power
Ensure that the ground cable is connected between the rack and the Master
Ground Bar.
Ensure that the –48 V dc Power Input Cable is not connected to the main –48
V dc power source. Turn off the main –48 V dc power source. Conirm that
the power is switched OFF using a DVM.
The PDU is supplied with 2-Hole crimp on lugs for 1/0 AWG standard or 2
AWG high-strand count lex cable. If you require another type of cable, order
new lugs as needed. Ensure that the lugs meet the criteria in Table 3-2.
Continued
6-20
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 6-8
Connecting –48 V dc Power
Connecting –48 V dc Power (Continued)
NOTE
The expected load condition and cable length determines the wire
gage required for the system. See Table 2-2.
Remove the lug cover and service cover using their respective snaps.
Insert the two-hole lugs through the rear of the PDU, so that the holes in the
lugs align with the holes in the lug mounting plates.
Install two M6 lat washers and two M6 x 16 screws into each lug (4 washers
and 4 nuts total for the 2 lugs) using a T30 Torx driver.
NOTE
The lat washers and screws are supplied in the bags zip tied to the
PDU rear bracket.
Leave the screws loose so that the lugs can be adjusted side-to-side.
Replace the lug cover while adjusting the cables to ensure that the cover
can be snapped into position.
Tighten the lug screws to 5.1 N-m (45 in-lb) and replace the service cover.
Install zip ties around the cables through the rear bracket and pull tight for
suficient strain relief.
10
Connect the other end of the –48 V dc power and return wires to the power
source.
NOTE
Do not turn on the power source at this time. This must be done
after the installation and cabling is complete.
Table 6-2 Lug criteria
PDU input
–48 V dc
Ground
68P09308A55-6
LTE PDU input
label text
Crimp lug's center – to
– center spacing of M6
(1/4”) screw holes
–48 Vdc (blue
arrow)
19 mm (3/4 inch)
0V (black arrow)
16 mm (5/8 inch)
Frame ground
16 mm (5/8 inch)
Wire gage compatibility for
supplied lugs
1/0 standard cable
6-21
FEB 2010
Cabling of RRH
Chapter 6: Cabling of the RRH
Cabling of RRH
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2.1/2.6 GHz RRH
Chassis mounting hardware
The chassis for both 2.1 GHz RRH and 2.6 GHz are similar.
The chassis grounding location is a double stud/hex nut. The installer supplies the lug. Panduit
has double 1/4–inch hole 5/8–inch spacing compression lugs that handle wires ranging from
2/0 to 8 AWG.
Connector types
Following are the connector types used on the 2.1 GHz RRH, 2.6 GHz RRH, and mounting
bracket:
•
I/01 and I/02 — 12 Pin Circular Female
•
AISG — eight Pin Circular Female
•
Power — 2 pin connector Male
•
TX1/RX1 and TX2/RX2 — N-Type Female on 2.1 GHz and 7/16 connectors on 2.6 GHz
•
TX1M, RX1M, TX2M, and RX2 — SMA Female
Connecting power and the RF to the RRH
For instructions to connect power and the RF to the RRH, see Procedure 6-2. For instruction to
connect RF cables from antennas to the RRH, see Procedure 6-5
6-22
68P09308A55-6
FEB 2010
Chapter
Power-up sequence
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This chapter provides the power-up sequence for the eNodeB.
68P09308A55-6
FEB 2010
7-1
Power Up Sequence
Chapter 7: Power-up sequence
Power Up Sequence
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Procedure 7-1
Power Up Sequence
Turn on the circuit breaker for the customer supplied power.
Close the eNodeB main disconnect circuit breaker on the external power
feed to power the PDU.
If a Motorola PDU is used, close the BCUII circuit breaker on the PDU.
If a non-Motorola PDU is used, close the customer-provided circuit breaker.
Open the BCUII front panel by performing the following:
•
At the front panel door, push in on the door latch release button and
grasp the top edge of the front panel door.
•
Pull the door open and pivot it downward to the 90 degree position.
Power up the BCUII by momentarily pressing the BCUII Power Switch so that
the switch is in the IN/ON position.
Switch power on to each radio unit by closing its associated circuit breaker.
Verify that the Green STATUS LED is on for the Site Controller. Verify that
the Green STATUS LED is on or lashing (waiting for a sector assignment)
on the modem cards.
NOTE
On the modem, the lights remain red until the D4 (iber) links to
the radio units are operating and synchronized.
7-2
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Figure 7-1
Power Up Sequence
BCUII Power Switch
Modem 2
Modem 1
Site Controller
BCUII Power Switch
68P09308A55-6
FEB 2010
7-3
Power Up Sequence
7-4
Chapter 7: Power-up sequence
68P09308A55-6
FEB 2010
Chapter
Field Replaceable Units
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This chapter provides procedures for removal and replacement of components that are deemed
FRU.
68P09308A55-6
FEB 2010
8-1
List of Field Replaceable Units (FRUs)
Chapter 8: Field Replaceable Units
List of Field Replaceable Units (FRUs)
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This section lists the items designated by Motorola as Field Replaceable Units (FRUs) for the
eNodeB. The following tables give various information about the FRUs.
Table 8-1 eNodeB FRU Information
Item Description
8-2
Motorola Part Number
Notes
BCUII Flex4 Modem (See
Notes column.)
STLN6724
Requires use of Modem Card
Duplex Optical Transceivers.
Contact your Motorola
service representative for
more information.
BCUII Site Controller Card
STLN6725
BCUII I/O Card
STLN6704
BCUII Power Supply
STPN4058
Q-HSO (Quartz High
Stability Oscillator)
SGLA4017
BCUII Fan
SGLN1946
eNodeB PDU +27 V dc
STLN6905
eNodeB PDU –48 V dc
STLN6906
Frame Based Radio (FBR)
STWF4000
RFS Fan
STLN6904
Filter/Duplexers
STFF4046
BCUII to FBR Fiber Cable
Kit
STKN4134
Remote Radio Head (RRH)
STWK4000
A Remote Mount Radio for
2600 MHz band operation.
Includes the wall mount
bracket (STLN7037A).
Remote Radio Head (RRH)
STWF4001
A Remote Mount Radio for
700 MHz Upper C band
operation.
Includes the wall mount
bracket (SYLF8377).
Remote Radio Head (RRH)
STWG4003
A Remote Mount Radio for
2100 MHz band operation.
Optical Transceivers for
RRH
SYLN8961
This iber transceiver can
be used for multi-mode iber
installations up to 100 m.
Optical Transceivers
– Modem card and
frame-based radio (radio
shelf)
STKN4134
Part number is for the kit
containing a iber cable and
optical transceivers used in
the frame-based system.
The indoor 700 MHz radio.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
BCUII Flex4 Modem Replacement
BCUII Flex4 Modem Replacement
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Objectives
The primary objective is as follows:
•
Remove the failed Flex4 Modem card from the BCUII card cage.
•
Install a replacement Flex4 Modem card in the BCUII card cage.
Preparation
Required tools
No tools are required to remove and install the Flex4 Modem card.
Required item
The following replacement unit is required:
•
BCUII Flex4 Modem STLN6724
Replacement Procedure
Perform the following procedure to remove the Flex4 Modem.
Procedure 8-1
Removal of Flex4 Modem
Perform lock-out card procedure.
CAUTION
ESD handling precautions must be adhered to when handling the
BCUII plug-in cards. Wear a conductive, high impedance wrist strap.
Open the front panel door to the 90 degrees position.
Locate the failed Modem card.
Continued
68P09308A55-6
8-3
FEB 2010
Replacement Procedure
Chapter 8: Field Replaceable Units
Procedure 8-1
Removal of Flex4 Modem (Continued)
NOTE
Multiple cables must be disconnected from connectors. If
necessary, use masking tape and a marker and temporarily tag
each cable as to the proper connector before disconnection.
Disconnect the iber-optic cabling from the front of the failed Modem card.
For iber-optic cable connections perform the following:
1.
Grasp the LC duplex connector and depress the release to remove the
iber cables from the iber optic transceiver.
2.
Remove the iber optic transceiver from the modem: pull down on the
iber optic transceiver latch and pull it out of the slot.
Dress all disconnected cables out of the way.
Simultaneously press the locking tabs on both card ejector latches. Rotate
both card ejector latches out from the card to disengage the card from the
BCUII cage.
Grasp the Modem card front panel. Pull the card away from the BCUII card
cage. Slide the card out of the BCUII card cage.
Perform the following procedure to install the Flex4 Modem.
Procedure 8-2
Installing the Flex4 Modem
Insert the Modem card into the BCUII card cage as follows:
1.
Insert the Modem card side-edges into the card slot rails.
2.
Rotate the card ejector latches completely out from the card front panel.
3.
Slide the card completely into the BCUII card cage.
4.
Make sure that the card rear-edge connectors fully engage with the
mating backplane connectors.
5.
Simultaneously press both card ejector latches into the card front panel.
A click is heard and felt when each ejector latch locking tab engages the
card front panel and seats the card into the cage.
Reconnect all iber-optic cabling to the corresponding connectors on the front
of the Flex4 Modem. If the optical transceiver is being replaced, perform
the following:
•
Grasp the optical transceiver in one hand and the iber-optic cable
connector in the hand. Depress the iber-optic cable connector release
and pull the cable connector out of the transceiver.
Continued
8-4
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 8-2
•
Replacement Procedure
Installing the Flex4 Modem (Continued)
Plug the iber-optic cable connector into the transceiver. Repeat this for
each optical transceiver being replaced
Grasp the optical transceiver with the cable connected, and plug the optical
transceiver into the appropriate receptacle on the Flex4 Modem card.
The Modem card should automatically initialize and become active. Note the
following indication for Modem initialization:
NOTE
LEDs go solid green when the links are active or in-service.
68P09308A55-6
8-5
FEB 2010
BCUII Site Controller Card Replacement
Chapter 8: Field Replaceable Units
BCUII Site Controller Card Replacement
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Objectives
The primary objective is as follows:
•
Remove the failed BCUII Site Controller card from the BCUII card cage.
•
Install a replacement BCUII Site Controller card in the BCUII card cage.
Preparation
Required tools
The following tools are required to remove and install a BCUII Site Controller Card.
•
T10 TORX bit
•
Torque driver
•
ESD (Electro-Static Discharge) conductive, high impedance wrist strap
Torque requirements
When installing the BCUII Site Controller card, tighten the lex-circuit connector mounting
M3 screws to:
•
1.1 N-m (10 in-lbs)
Required item
The following replacement unit is required:
•
BCUII Site Controller Card STLN6725
Replacement Procedure
Perform the following procedure to remove the BCUII Site Controller card.
8-6
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 8-3
Replacement Procedure
Removing the BCUII Site Controller card
Working at the front of the frame, unlatch the front panel door of the BCUII
and swing the door open.
CAUTION
The front panel door must not be pivoted open beyond 120 degrees
from the closed position. A mechanical stopper pin indicates this 120
degrees position. To prevent damaging the door and the lex-circuit,
DO NOT force the door open beyond the 120 degrees position.
Working at the front of the frame, open the BCUII front panel door as follows:
1.
While holding the door latch release button depressed, grasp the top
edge of the front panel door.
2.
Pull the door away from the BCUII and pivot it downward to open.
3.
Open the front panel door to the 90 degrees position.
Power down the BCUII.
Observe that all of the BCUII front panel LEDs are OFF.
CAUTION
ESD handling precautions must be adhered to when handling the
BCUII plug-in cards. Wear a conductive, high impedance wrist strap.
Plug the end of the ESD wrist strap into the BCUII ESD jack. This jack is
located in the front of the BCUII at the right end of the Site Controller card
slot. Attach the wrist strap to your wrist.
Using a T10 TORX bit and driver, completely loosen and remove the two
screws that secure the lex-circuit connector to the inside of the front panel
door assembly.
Grasp the lex-circuit connector and disconnect it from the front panel door
assembly.
Open the front panel door to the 120 degrees position. This is the maximum
open limit for the door. There is a mechanical stopper pin that indicates this
120 degrees position.
NOTE
The power cables attached to the front of the PDU interfere with
opening the BCUII front panel far enough to replace the controller.
Disconnect these power cables before removing the controller.
Locate the failed Site Controller card.
Continued
68P09308A55-6
8-7
FEB 2010
Replacement Procedure
Chapter 8: Field Replaceable Units
Procedure 8-3
Removing the BCUII Site Controller card (Continued)
10
Simultaneously press the locking tabs on both card ejector latches. Rotate
both card ejector latches out from the card to disengage the card from the
BCUII cage.
11
Grasp the Site Controller card front panel. Pull the card away from the
BCUII card cage. Slide the card along with the lex-circuit out of the BCUII
card cage.
Perform the following procedure to install the BCUII Site Controller card.
Procedure 8-4
Installing the BCUII Site Controller card
CAUTION
The front panel door must not be pivoted open beyond 120° from
the closed position. There is a mechanical stopper pin that indicates
this 120–degree position.
To prevent damaging the door and the lex-circuit, DO NOT force
the door open beyond the 120–degree position.
Open the front panel door to the 120–degree position. This is the maximum
open limit for the door.
CAUTION
ESD handling precautions must be adhered to when handling the
BCUII plug-in cards. Wear a conductive, high impedance wrist strap.
Plug the end of the ESD wrist strap into the BCUII ESD jack. This jack is
located in the front of the BCUII at the right end of the Site Controller card
slot. Attach the wrist strap to your wrist.
Insert the Site Controller card into the BCUII card cage as follows:
1.
Insert the Site Controller card side-edges into the card slot rails.
2.
Rotate the card ejector latches completely out from the card front panel.
3.
Slide the card, along with the lex-circuit, completely into the BCUII
card cage.
4.
Make sure that the card rear-edge connectors fully engage with the
mating backplane connectors.
5.
Simultaneously press both card ejector latches into the card front panel.
You should feel and hear a click when each ejector latch locking tab
engages the card front panel and seats the card into the cage.
Continued
8-8
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 8-4
Replacement Procedure
Installing the BCUII Site Controller card (Continued)
Connect the Site Controller card lex-circuit connector to the front panel door
assembly as follows:
1.
While holding the open front panel door in the 90–degree position,
connect the lex-circuit connector to the front panel door assembly.
2.
Insert the two M3 screws that secure the lex-circuit connector to the
front panel door assembly.
3.
Using a T10 Torx bit and torque driver, tighten the two screws to 1.1
N-m (10 in-lbs).
Power up the BCUII by momentarily depressing the Site Controller card
power switch so that the switch actuator is in the IN/ON position.
CAUTION
DO NOT dress the lex-circuit down into the door jam to prevent
damage to the lex-circuit. The lex-circuit folds properly when the
door is closed.
Close the BCUII front panel door. Make sure that the door latch engages.
68P09308A55-6
8-9
FEB 2010
eNode Frame Based Radio Replacement
Chapter 8: Field Replaceable Units
eNode Frame Based Radio Replacement
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Objectives
The primary objective is as follows:
•
Remove the failed eNodeB Frame Based Radio.
•
Install a replacement eNodeB Frame Based Radio.
Preparation
Required tools
The following tools are required to remove and install an eNodeB Frame Based Radio
•
T20 TORX bit
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Torque driver
•
SMA torque wrench
Required item
eNodeB Frame Based Radio
eNodeB Frame Based Radio Replacement Procedure
Perform the following procedures to replace the eNodeB Frame Based Radio
Procedure 8-5
Removing the eNodeB Frame Based Radio
NOTE
Multiple cables must be disconnected from connectors. If
necessary, use masking tape and a marker and temporarily tag
each cable as to the proper connector before disconnection.
Disconnect the iber-optic cabling from the front of the failed FBR. For
iber-optic cable connections perform the following:
Continued
8-10
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 8-5
Removing the eNodeB Frame Based Radio (Continued)
1.
Grasp the LC duplex connector and depress the release to remove the
iber cables from the iber optic transceiver.
2.
Remove the iber optic transceiver from the frame based radio: pull
down on the iber optic transceiver latch and pull it out of the slot.
Remove the two RF connections at the front of the FBR using SMA wrench.
Using a T20 TORX bit and driver, completely loosen the two screws that
secure the FBR.
Slide FBR out of the Radio / Filter Shelf.
Procedure 8-6
68P09308A55-6
eNodeB Frame Based Radio Replacement Procedure
Installing the eNodeB Frame Based Radio
Insert FBR into the Radio / Filter Shelf.
Using a T20 TORX bit and driver, tighten the two screws that secure the
FBR to 2.2 N-m (20 in-lbs).
Reconnect the two RF connections at the front of the FBR using SMA torque
wrench.
Install iber optic transceivers in to the FBR and reconnect the iber optic
cables.
Perform recommissioning tasks to place the unit back in service.
8-11
FEB 2010
Filter/Duplexer Replacement
Chapter 8: Field Replaceable Units
Filter/Duplexer Replacement
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Objectives
The primary objective is as follows:
•
Remove Filter/Duplexer
•
Install Filter/Duplexer
Preparation
Required tools
The following tools are required to remove and install a Filter/Duplexer.
•
T20 TORX bit
•
Torque driver
•
10 mm hex socket
•
SMA torque wrench
•
N-connector torque wrench
Torque requirements
•
M4 screws to 2.2 N-m (20 in-lb)
•
M6 nuts to 5.1 N-m (45 in-lb)
Required item
700 MHz Upper C band Filter/Duplexer STFF4046
Filter/Duplexer Replacement Procedure
Perform the following procedures to replace the Filter/Duplexer.
8-12
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 8-7
Removing the Filter/Duplexer
Remove Radio/Filter Shelf.
Remove the 2 RF cables (RxA and RxB) at the rear of the Duplexer.
Using a 10 mm socket and 3-inch socket extension, remove the two M6 nuts
at the bottom of the Radio/Filter shelf.
Using a T20 Torx, remove the two M4 screws at the front face of the
Radio/Filter Shelf Duplexer body.
Remove the Filter/Duplexer unit from the Radio/Filter Shelf.
Procedure 8-8
68P09308A55-6
Filter/Duplexer Replacement Procedure
Installing Filter/Duplexer
Insert the Filter/Duplexer into the Radio/Filter Shelf avoiding the 2 RF cables.
Pull the Filter/Duplexer towards the front so the Filter/Duplexer body rests
against the inside front face of the Radio/Filter Shelf chassis.
Using a T20 Torx, screw two M4 screws through the front face of the
Radio/Filter Shelf into the Duplexer body. Torque to 1.8 N-m (16 in-lb).
Using a 10 mm socket and 3-inch socket extension, secure the Filter/Duplexer
to the two M6 studs at the bottom of the Radio/Filter Shelf with two M6 nuts.
Torque to 5.1 N-m (45 in-lb).
Mate the 2 RF cables at the rear of the Filter/Duplexer. Ensure that the cable
bends are no less than 6 mm (1/4 inch) diameter.
8-13
FEB 2010
Radio/Filter Shelf Fan Tray Replacement
Chapter 8: Field Replaceable Units
Radio/Filter Shelf Fan Tray Replacement
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Objective
The objective is as follows:
•
Remove Radio/Filter Shelf Fan Tray
•
Install Radio/Filter Shelf Fan Tray
Preparation
Required tools
The following tools are required to remove and install the Radio/Filter Shelf Fan Tray.
•
T25 TORX bit
•
Driver
Required item
The following replacement unit is required:
•
RFS Fan Tray Motorola model STLN6904
Radio/Filter Shelf Fan Tray replacement procedure
Perform the following procedures to replace the RFS Fan Tray
8-14
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 8-9
Replacing the RFS Fan tray
Insert the T25 TORX bit into the recess in the locking cam on thefront of
the fan tray.
Using driver, rotate cam 90 degrees counter clockwise (orientation dot aligns
with the unlocked lock feature on the front of the fan tray. See Figure 8-1).
Slide the fan tray assembly out of the front of the radio shelf.
Slide the new fan tray assembly into the radio shelf.
Insert the T25 TORX bit into the recess in the locking cam on the front of
the fan tray.
Using a driver, rotate cam 90 degrees clockwise (orientation dot aligns with
the locked lock feature on the front of the fan tray. See Figure 8-2).
Restore power to the radio shelf (if needed, fan tray is hot-pluggable).
Figure 8-1
68P09308A55-6
Radio/Filter Shelf Fan Tray replacement procedure
RFS fan tray in unlocked position
8-15
FEB 2010
Radio/Filter Shelf Fan Tray replacement procedure
Chapter 8: Field Replaceable Units
Figure 8-2 RFS fan tray in locked position
8-16
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Q-HSO (Quartz High Stability Oscillator) Replacement
Q-HSO (Quartz High Stability Oscillator) Replacement
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Q-HSO (Quartz High Stability Oscillator) Replacement
Objective
The objective is as follows:
•
Remove the BCUII card cage assembly from the frame
•
Replace the Q-HSO located on the rear panel of the BCUII card cage assembly
•
Reinstall the BCUII card cage assembly in the frame
Introduction
The optional Q-HSO is located on the BCUII rear panel (see Figure 8-3). It is mounted in the
middle of the rear panel between the fan tray and the PSU.
The Q-HSO is a backup synchronization source for maintaining BTS system timing
established/sourced by either the optional RF GPS receiver module located in the front panel
door assembly.
The Q-HSO contains a high stability quartz crystal oscillator.
The Q-HSO has a 9–pin D-connector that connects to the MSO connector on the BCUII rear
panel. This connection allows the BCUII to supply DC power to the Q-HSO. In addition,
control/data signals are exchanged between the BCUII Site Controller card and the Q-HSO
through this connection.
The Q-HSO provides a 1 Pulse Per Second (1PPS) timing signal. This 1PPS signal is applied
to the Site Controller card.
If GPS satellite tracking is lost or if the RF GPS receiver module fails, the Q-HSO maintains BTS
system timing for up to 24 hours.
Preparation
Required tools
The following tools are required to remove and install a Q-HSO:
•
T20 TORX bit
•
Torque driver
68P09308A55-6
8-17
FEB 2010
Torque requirements
Chapter 8: Field Replaceable Units
Torque requirements
When installing the Q-HSO, tighten the Q-HSO M4 thumbscrew to:
•
2.3 N-m (20 in-lbs)
Required item
The following replacement unit is required:
•
Q-HSO, Motorola model SGLA4017
Q-HSO replacement procedure
Perform the steps described in Procedure 8-10 to replace the Q-HSO.
Procedure 8-10
Replacing the Q-HSO
Remove the BCUII card cage assembly from the frame.
Locate the Q-HSO on the BCUII rear panel.
Using a T20 TORX bit and driver, loosen the thumbscrew on the Q-HSO (see Figure 8-3).
Using your thumb and inger, completely loosen the captive thumbscrew.
Grasp the top end (that is, the thumbscrew end) of Q-HSO and pull it away from the BCUII
rear panel until the 9–pin D-connectors are fully disengaged.
Slide the Q-HSO until the tab on the bottom end of the Q-HSO is disengaged from the
retaining slot on the BCUII rear panel.
With the replacement Q-HSO properly positioned, insert the tab on the bottom end of the
Q-HSO under the retaining slot on the BCUII rear panel.
Align the Q-HSO 9–pin D-connector with the MSO connector on the BCUII rear panel.
Firmly push the top end of the Q-HSO against the BCUII rear panel until the connectors are
fully engaged.
Align the Q-HSO thumbscrew with the threaded hole. Using a T20 TORX bit and driver,
tighten the thumbscrew to 2.3 N-m (20 in-lbs).
Reinstall the BCUII card cage assembly into the frame according the steps in Procedure 8-12
Reinstalling card cage assembly on page 8-23.
Reference diagram
The following diagram helps clarify and support certain steps of Procedure 8-10.
8-18
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Figure 8-3
Reference diagram
Q-HSO removal and installation
9-Pin Sub-D Connector
Captive Thumbscrew
9-Pin Sub-D Connector
Q-HSO
Rear View
Mounting Tab
Q-HSO
Mounting Tab Slot
ti-cdma-05694.eps
ti-cdma-05694.eps
68P09308A55-6
8-19
FEB 2010
BCUII card cage assembly replacement procedures
Chapter 8: Field Replaceable Units
BCUII card cage assembly replacement procedures
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Perform the following procedure to remove the BCUII card cage assembly from the frame.
Objectives
The primary objective is as follows:
•
Remove the failing BCUII card cage assembly from the frame
•
Replace a FRU on the rear panel of the BCUII card cage assembly
•
Reinstall the BCUII card cage assembly in the frame
Introduction
The BCUII card cage assembly provides a rack mountable facility for housing all of the BCUII
electronics. It also provides interconnection of the BCUII electronics as well as connection to
the external customer and site equipment.
The BCUII card cage assembly includes: backplane, front panel door assembly, and fan tray; all
installed.
Preparation
Required tools
The following tools are required to remove and install a BCUII card cage assembly.
8-20
•
T20 TORX bit
•
T30 TORX bit
•
T10 TORX bit
•
10 mm socket
•
3/8 inch ratchet
•
Flat-blade screwdriver
•
Torque driver
•
ESD (Electro-Static Discharge) conductive, high impedance wrist strap
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Preparation
Torque requirements
When installing the built-up BCUII card cage, tighten the corresponding fasteners as follows:
•
BCUII ground wire lug M6 nuts – 4.5 N-m (39.8 in-lb)
•
Fiber cover M4 screws – 2.3 N-m (20 in-lbs)
Required item
The following replacement unit is required:
•
BCUII card cage assembly, Motorola part number SGLN1945
Replacement Procedure
Perform the steps in Procedure 8-11 and Procedure 8-12 to replace the BCUII card cage.
Procedure 8-11
Removing the BCUII card cage
CAUTION
The front panel door must not be pivoted open beyond 120 degrees
from the closed position. There is a mechanical stopper pin that
indicates this 120 degrees position.
To prevent damaging the door and the lex-circuit, DO NOT force
the door open beyond the 120 degrees position.
Working at the front of the frame, open the BCUII front panel door as follows:
1.
While holding the door latch release button depressed, grasp the top
edge of the front panel door.
2.
Pull the door away from the BCUII and pivot it downward to open.
3.
Open the front panel door to the 90 degrees position.
On the right end of the Site Controller card front panel, locate the power
ON/OFF switch.
Power down the BCUII by momentarily depressing the power switch so that
the switch actuator is in the OUT/OFF position.
Observe that all of the BCUII front panel LEDs are OFF.
Set the external BCUII power source to OFF.
Disconnect all of the cables connected to connectors on the outside of the
BCUII front panel door. Dress these cables away from the front of the BCUII.
Continued
68P09308A55-6
8-21
FEB 2010
Preparation
Chapter 8: Field Replaceable Units
Procedure 8-11
Removing the BCUII card cage (Continued)
Remove the iber cover attached to the BCUII card cage front left corner.
The two screws securing the iber cover are located just inside the open
front panel door (see Figure 8-4). Using a T20 TORX bit and driver, loosen
and remove the two screws. Grasp the iber cover and pull it away and out
from the BCUII card cage.
Locate the ground wire, with the double hole lug, attached to the BCUII card
cage front left corner just inside the open front panel door (see ). Disconnect
the ground wire lug by using a 10 mm socket and ratchet to loosen and remove
the two M6 nuts that secure the ground wire lug to the threaded studs.
NOTE
Multiple cables are being disconnected from the connectors. If
necessary, use masking tape and a marker and temporarily tag
each cable as to the proper connector before disconnection.
Disconnect the iber-optic cabling and any other cabling from the front of the
Modem cards. For iber-optic cable connections perform the following:
1.
Grasp the optical transceiver by the connector at the Modem card.
2.
Depress the optical transceiver connector release and pull the
transceiver, along with the cable, out of the Modem card receptacle.
10
Pull out the loose ends of iber-optic cables through the grommet openings.
Move the iber-optic cables and the disconnected ground wire with lug out of
the front of the BCUII.
Dress these cables away from the front of the BCUII.
11
Remove the BCUII rack mounting screws as follows:
1.
Using the appropriate driver, loosen and remove all but one of the
screws in each side mount bracket.
2.
While supporting the BCUII card cage, remove the remaining screw in
each side mount bracket.
12
Grasp the BCUII card cage and pull it partially out of the frame to access
the rear panel.
13
Disconnect all of the cables connected to connectors on the rear of the BCUII.
These cables include:
•
14
8-22
Cable connected to the input power connector located on the lower left
corner of the PSU.
Completely pull the BCUII card cage out of the frame and move it to a work
surface.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Preparation
Figure 8-4 BCUII Fiber Cover
Fiber Cover
2X Screws
Ground Lug
Detail A
SeeDetail A
ti-cdma-05694.eps
Reinstall card cage assembly
Procedure 8-12
Reinstalling card cage assembly
Position the built-up replacement BCUII card cage assembly in front of the
frame.
Partially insert the BCUII card cage into the frame, so the rear panel can
still be accessed.
Reconnect the corresponding cables to the connectors on the rear of the
BCUII. These cables include:
1.
Cable connection to the –48 V dc input power connector located on the
lower left corner of the –48 V dc PSU (as viewed from the rear of the
BCUII).
2.
Using a lat-blade screwdriver, tighten the two retaining screws on the
power connector.
Continued
68P09308A55-6
8-23
FEB 2010
Preparation
Chapter 8: Field Replaceable Units
Procedure 8-12
Reinstalling card cage assembly (Continued)
Completely insert the BCUII card cage into the frame. Align the holes in each
side mounting bracket with the applicable holes in the frame rails.
While supporting the BCUII card cage, insert screws into the top and bottom
holes in each side mounting bracket.
Using the appropriate driver, tighten the screws to the proper torque
speciication.
Open the front panel door to the 90 degrees position.
Route the disconnected ground wire with the double hole lug through the
appropriate cable groove, located at the BCUII card cage front left corner,
and into the inside of the door panel area (see Figure 8-4).
NOTE
If the replacement BCUII card cage already has a lug installed,
remove it before proceeding to step 7.
Attach the ground wire double hole lug to the threaded studs located at the
BCUII card cage front left corner.
Secure the ground wire lug to the threaded studs with the two M6 nuts. Using
a 10 mm socket and torque driver, tighten the nuts to 4.5 N-m (39.8 in-lb).
Route the disconnected iber-optic cables through the appropriate openings
in the grommet located at the BCUII card cage front left corner, and into the
inside of the door panel area.
Reconnect all iber-optic cabling to the corresponding connectors on the front
of the Modem cards.
Grasp the optical transceiver, with the cable connected, and plug the optical
transceiver into the appropriate receptacle on the Modem card.
Repeat this step for each iber-optic cable.
10
Attach the iber cover to the BCUII card cage front left corner (see Figure 8-4).
Secure the iber cover with the two M4 screws. Using a T20 TORX bit and
torque driver, tighten the screws to 2.3 N-m (20 in-lbs).
11
Reconnect all of the cables to the corresponding connectors on the outside of
the BCUII front panel door.
12
Set the external BCUII power source to ON.
13
Power up the BCUII by momentarily depressing the Site Controller card
power switch so that the switch actuator is in the IN/ON position.
14
CAUTION
DO NOT dress the lex-circuit down into the door jam to prevent
damage to the lex-circuit. The lex-circuit folds properly when the
door is closed.
Close the BCUII front panel door. Make sure that the door latch engages.
8-24
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
BCUII Fan Tray Replacement
BCUII Fan Tray Replacement
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Objectives
The primary objective is as follows:
•
Remove the BCUII card cage assembly from the frame
•
Replace the fan tray located on the rear panel of the BCUII card cage assembly
•
Reinstall the BCUII card cage assembly in the frame
Introduction
The fan tray is mounted in the right side of the BCUII rear panel as viewed from the rear of the
BCUII (see Figure 8-5). The fan tray contains a single fan. The fan draws cool air in from the air
intake located along the front of the BCUII. The cool air passes through the entire BCUII and
over/under all of the BCUII internal circuitry. The fan exhausts the cooling air out the rear of the
BCUII. The electrical connections for both DC operating power and the fan control/monitoring
signals are made through a cable that is part of the fan tray. The fan tray cable connector plugs
into the BCUII backplane. This connection is made manually and is accessible through the front
of the BCUII after removing the Site Controller and Modem 1 cards.
Preparation
Required tools
The following tools are required to remove and install a BCUII fan tray.
•
T20 TORX bit
•
Torque driver
•
ESD (Electro-Static Discharge) conductive, high impedance wrist strap
Torque requirements
When installing the BCUII fan tray, tighten the captive M4 mounting screws to:
•
68P09308A55-6
2.3 N-m (20 in-lbs)
8-25
FEB 2010
Replacement Procedure
Chapter 8: Field Replaceable Units
Required item
The following replacement unit is required:
•
Fan tray, Motorola model SGLN1946
Replacement Procedure
Perform the steps described in Procedure 8-13 to remove the BCUII fan tray.
Procedure 8-13
Removing the BCUII fan tray
Remove the BCUII card cage assembly from the frame according the steps in
Replacement Procedure on page 8-3
Working at the front of the BCUII card cage, unlatch the front panel door of
the BCUII and swing the door open.
CAUTION
The front panel door must not be pivoted open beyond 120 degrees
from the closed position. There is a mechanical stopper pin that
indicates this 120 degrees position.
To prevent damaging the door and the lex-circuit, DO NOT force
the door open beyond the 120 degrees position.
Working at the front of the frame, open the BCUII front panel door as follows:
1.
While holding the door latch release button depressed, grasp the top
edge of the front panel door.
2.
Pull the door away from the BCUII and pivot it downward to the open.
3.
Open the front panel door to the 90 degrees position.
CAUTION
ESD handling precautions must be adhered to when handling the
BCUII plug-in cards. Wear a conductive, high impedance wrist strap.
Plug the end of the ESD wrist strap into the BCUII ESD jack. This jack is
located in the front of the BCUII at the right end of the Site Controller card
slot. Attach the wrist strap to your wrist.
Continued
8-26
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Procedure 8-13
Replacement Procedure
Removing the BCUII fan tray (Continued)
Remove the Site Controller card as follows:
1.
Locate the Site Controller card.
2.
Hold the open front panel door in the 90 degrees position.
3.
Using a T10 TORX bit and driver, completely loosen and remove the two
screws that secure the lex-circuit connector to the inside of the front
panel door assembly.
4.
Grasp the lex-circuit connector and disconnect it from the front panel
door assembly.
5.
Open the front panel door to the 120 degrees position. This is the
maximum open limit for the door. There is a mechanical stopper pin that
indicates this 120 degrees position.
6.
Simultaneously press the locking tabs on both card ejector latches.
Rotate both card ejector latches out from the card to disengage the
card from the BCUII cage.
7.
Grasp the Site Controller card front panel. Pull the card away from
the BCUII card cage. Slide the card, along with the lex-circuit, out of
the BCUII card cage.
Remove the Modem 1 card by performing the steps in Procedure 8-1 Removal
of Flex4 Modem
Reach in through the vacant Site Controller card and Modem 1 card slots
toward the fan tray and the left end of the BCUII cage backplane. Locate the
fan tray cable connector that is plugged into the BCUII backplane.
Disconnect the fan tray cable connector by grasping the connector and pulling
it away from the backplane.
Locate the fan tray on the BCUII rear panel.
10
Using a T20 TORX bit and driver, completely loosen the four captive screws
that secure the fan tray to the rear of the BCUII (see Figure 8-5). There is
captive screw located in each corner of the fan tray.
11
NOTE
It may be necessary to reach in through the vacant card slots and
push the fan tray out the rear of the BCUII.
Grasp the fan tray and pull it out from the rear of the BCUII.
Perform the steps described in Procedure 8-14 to install the fan tray.
68P09308A55-6
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FEB 2010
Replacement Procedure
Procedure 8-14
Installing the BCUII fan tray
With the replacement fan tray properly positioned, insert the fan tray and cable into the
opening on the rear of the BCUII (See Figure 8-5). Be sure that the fan tray cable does
not get pinched.
At the front of the BCUII, reach in through the vacant Site Controller card and Modem 1
card slots toward the fan tray and the left end of the BCUII cage backplane.
Locate the fan tray cable connector and plug it into the BCUII backplane.
Secure the fan tray to the rear of the BCUII as follows (See Figure 8-5):
1.
Using a T20 Torx bit and driver, hand tighten the four captive screws.
2.
Use an alternating diagonal screw tighten pattern.
3.
After hand tightening, use a T20 Torx bit and torque driver to tighten the four captive
screws to 2.3 N-m (20 in-lbs).
Working at the front of the BCUII card cage, reinstall the Modem 1 card by performing
the steps in Procedure 8-2.
Reinstall the Site Controller into the BCUII card cage as follows:
8-28
Chapter 8: Field Replaceable Units
1.
Insert the Site Controller card side-edges into the card slot rails.
2.
Rotate the card ejector latches completely out from the card front panel.
3.
Slide the card, along with the lex-circuit, completely into the BCUII card cage.
4.
Make sure that the card rear-edge connectors fully engage with the mating backplane
connectors.
5.
Simultaneously press both card ejector latches into the card front panel. Feel and hear
a click when each ejector latch locking tab engages the card front panel and seats
the card into the cage.
Connect the Site Controller card lex-circuit connector to the front panel door assembly
as follows:
1.
While holding the open front panel door in the 90–degree position, connect the
lex-circuit connector to the front panel door assembly.
2.
Insert the two M3 screws that secure the lex-circuit connector to the front panel
door assembly.
3.
Using a T10 Torx bit and torque driver, tighten the two screws to 1.1 N-m (10 in-lbs).
Reinstall the BCUII card cage assembly into the frame by performing the steps in
Procedure 8-12 Reinstalling card cage assembly on page 8-23.
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
Replacement Procedure
Figure 8-5 Fan tray removal and installation
4X Recess
ed AccessHolesfor Captive Screws
Fan TrayPower/Control Connector
ti-cdma-05694.eps
68P09308A55-6
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FEB 2010
eNodeB PDU Replacement
Chapter 8: Field Replaceable Units
eNodeB PDU Replacement
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Objective
The objective is as follows:
•
Remove eNodeB PDU
•
Install replacement eNodeB PDU
Preparation
Required tools
The following tools are required to remove and install the eNodeB PDU.
•
Torque Wrenches
SMA Torque Wrench
Torque driver capable of driving bits at .
Torque driver capable of torquing 10 mm socket to 5.1 N-m (45 in-lb).
•
Bit Driver and Bits
TORX Driver
T20 TORX bit
T25 TORX bit
T30 TORX bit
Torque driver
10 mm socket
Flat Blade Screwdriver Bit
8-30
•
Zip ties
•
ESD (Electro-Static Discharge) conductive, high impedance wrist strap
68P09308A55-6
FEB 2010
LTE eNodeB Indoor Hardware Installation
eNodeB PDU replacement procedure
Torque requirements
•
1.1 N-m (10 in-lb), 1.3 N-m (12 in-lb)
•
M4 screws 1.8 N-m (16 in-lb)
•
M5 screws 4.7 N-m (42 in-lb)
•
M6 x 16 screws 5.1 N-m (45 in-lb)
Required item
The following replacement unit is required:
•
eNodeB PDU +27 V dc, Motorola model STLN6905
•
eNodeB PDU –48 V dc, Motorola model STLN6906
eNodeB PDU replacement procedure
Procedure 8-15
Replacing the eNodeB PDU
Remove source power.
Disconnect the source power cable and the ground cable (if equipped) at the
source if required for adequate service loop.
Unplug all power cables.
Using a DVM, conirm that there is no voltage on the PDU.
Using a T25 Torx driver, loosen and remove the four rack mounting screws
that secure the PDU to the rack. Remove the PDU from the rack.
Using a T30 Torx driver, remove the power lugs from the PDU through the
access panel.
Procedure 8-16
Installing PDU to Rack
Mount the PDU in the 19-inch rack.
NOTE
Mount the PDU in the same rack unit as the PDU that was removed
in Procedure 8-15.
If other equipment are mounted above the PDU, the source power
cable must be connected before installing the PDU.
Continued
68P09308A55-6
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FEB 2010
eNodeB PDU replacement procedure
Procedure 8-16
Chapter 8: Field Replaceable Units
Installing PDU to Rack (Continued)
Using the same four rack mounting screws, install two screws per side using
a T25 Torx bit and torque to 4.7 N-m (42 in-lb).
Perform the steps in Procedure 3-5 to reconnect power to the PDU.
If using a non-Motorola rack, perform the steps in Procedure 3-4 to ground
the PDU.
Figure 8-6 PDU
PDU front.eps
8-32
68P09308A55-6
FEB 2010

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