SOLiD 850C700LTEC RDU MODULE(850C/700LTEC) User Manual

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Date Submitted	2010-08-30 00:00:00
Date Available	2010-08-30 00:00:00
Creation Date	2010-08-16 19:42:05
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SMDR-NH124
Installation and Operation Manual
Document Reference:
Version:
V3.0
Document Status:
Release 1
Issue Date:
Jan. 02, 2009
Author:
Kyung Eun Han
Department:
R&D Division Team 1
Authorizing Manager:
Youngshin Yeo
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REVISION HISTORY
No. of
Pages
Version
Issue Date
Initials
Details of Revision Changes
V 1.0
Jan. 02, 2009
V 2.0
Oct. 23. 2009
Add RDU(VHF+UHF)
V 3.0
Feb. 04. 2010
Add ADD ON V/UHF ROU
Original
Technical Support
SOLiD serial numbers must be available to authorize technical support and/or to establish a
return authorization for defective units. The serial numbers are located on the back of the unit,
as well as on the box in which they were delivered. Additional support information may be
obtained by accessing the SOLiD Tehcnology, Inc. website at www.st.co.kr or send email at
sjkim@st.co.kr
This manual is produced by Global Business Division Business Team 1. Printed in Korea.
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Contents
Section1
Safety & Certification Notice................................................................... 9
Section2
System Overview ................................................................................... 11
2.1 General overview ......................................................................................... 12
2.2 System overview.......................................................................................... 13
Section3
System Specifications........................................................................... 15
3.1 System specifications ................................................................................. 16
3.1.1
Physical Specifications ......................................................................... 16
3.1.2
Optic wavelength and Laser power...................................................... 17
3.1.3
Environmental specifications ............................................................... 17
3.1.4
Operating Frequencies range ............................................................... 17
3.1.5
Specifications Per band ........................................................................ 18
Section4
System Configuration and Functions .................................................. 23
4.1 BIU (BTS Interface Unit) .............................................................................. 24
4.1.1
Specifications of BIU ............................................................................. 24
4.1.2
Block diagram of BIU............................................................................. 25
4.1.3
BIU parts ................................................................................................. 25
4.1.4
Function by unit ..................................................................................... 26
4.1.5
Front/rear panels of BIU ........................................................................ 31
4.2 ODU (Optic distribution Unit)...................................................................... 33
4.2.1
Specifications of ODU ........................................................................... 34
4.2.2
Block Diagram of ODU .......................................................................... 34
4.2.3
ODU parts ............................................................................................... 35
4.2.4
Function by unit ..................................................................................... 36
4.2.5
Front/rear panels of ODU ...................................................................... 37
4.2.6
Interface with BIU .................................................................................. 38
4.3 OEU (Optic Expansion Unit)........................................................................ 39
4.3.1
Specifications of OEU ........................................................................... 40
4.3.2
Block Diagram of OEU........................................................................... 40
4.3.3
OEU parts ............................................................................................... 40
4.3.4
Function by unit ..................................................................................... 41
4.3.5
Front/rear panels of OEU ...................................................................... 45
4.4 ROU (Remote Optic Unit) ............................................................................ 46
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4.4.1
Specifications of ROU ........................................................................... 46
4.4.2
Block Diagram of ROU .......................................................................... 47
4.4.3
ROU parts ............................................................................................... 47
4.4.4
Function by unit ..................................................................................... 49
4.4.5
Bottom of ROU ....................................................................................... 54
4.5 Add on V/UHF ROU...................................................................................... 56
4.5.1
Specifications of AOR ........................................................................... 56
4.5.2
Block Diagram of AOR .......................................................................... 57
4.5.3
AOR parts ............................................................................................... 57
4.5.4
Function by unit ..................................................................................... 58
4.5.5
Rear of AOR............................................................................................ 59
Section5
System Installation & Operation........................................................... 62
5.1 BIU Installation ............................................................................................. 63
5.1.1
BIU Shelf Installation ............................................................................. 63
5.1.2
BIU Power Cabling................................................................................. 64
5.1.3
RF Interface at BIU................................................................................. 66
5.1.4
MDBU insertion ...................................................................................... 70
5.1.5
ODU Interface ......................................................................................... 72
5.1.6
Consumption Power of BIU .................................................................. 76
5.2 ODU Installation ........................................................................................... 77
5.2.1
ODU Shelf Installation ........................................................................... 77
5.2.2
ODU Power Cabling ............................................................................... 77
5.2.3
ODU Optic Cabling................................................................................. 78
5.2.4
Insert DOU to ODU................................................................................. 78
5.2.5
Consumption Power of ODU................................................................. 79
5.3 ROU Installation ........................................................................................... 80
5.3.1
ROU Enclosure installation................................................................... 80
5.3.2
ROU Power Cabling ............................................................................... 84
5.3.3
Optical Cabling ...................................................................................... 85
5.3.4
GND Terminal Connection .................................................................... 86
5.3.5
Coaxial cable and Antenna Connection .............................................. 86
5.3.6
Insertion of RDU..................................................................................... 86
5.3.7
Consumption of RDU............................................................................. 97
5.4 OEU Installation ........................................................................................... 98
5.4.1
OEU Shelf installation ........................................................................... 98
5.4.2
OEU Power Cabling ............................................................................... 99
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5.4.3
OEU Optic Cabling............................................................................... 100
5.4.4
Insert DOU to OEU ............................................................................... 101
5.4.5
Consumption Power of OEU............................................................... 102
5.5 ADD ON V/UHF ROU Installation .............................................................. 102
5.5.1
AOR Enclosure installation................................................................. 102
5.5.2
AOR Power Cabling ............................................................................. 106
5.5.3
GND Terminal Connection .................................................................. 108
5.5.4
Coaxial cable and Antenna Connection ............................................ 108
5.5.5
Consumption Power of AOR............................................................... 108
5.5.6
Interface with existing ROU ................................................................ 109
Section6
Operation ...............................................................................................111
6.1 BIU Operation............................................................................................. 112
6.1.1
BIU......................................................................................................... 112
6.1.2
TX Operation at BIU ............................................................................. 112
6.1.3
RX Operation at BIU............................................................................. 117
6.1.4
Setting whether to use ROU/OEU at BIU ........................................... 117
6.1.5
ODU Operation at BIU.......................................................................... 119
6.2 ROU Operation ........................................................................................... 121
6.2.1
ROU Operation ..................................................................................... 121
6.3 OEU Operation ........................................................................................... 127
6.3.1
OEU Operation ..................................................................................... 128
Section7
Additive functions................................................................................ 135
7.1 Shutdown function (TX output shutdown)............................................... 136
7.2 Total Power Limit function (TX Output ALC) ........................................... 136
7.3 Output power automatic setting function (TX Output AGC) .................. 137
7.4 Input power AGC function (TX Input AGC) .............................................. 137
7.5 Input power limit function (TX Input ALC) ............................................... 138
7.6 Optic loss compensation .......................................................................... 138
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Contents of Figure
Figure 2.1 – Basic system topology ............................................................... 13
Figure 2.2 – Expansion system topology ....................................................... 14
Figure 4.1 – BIU outer view............................................................................ 24
Figure 4.2 – BIU mounting diagram ............................................................... 25
Figure 4.3 – MDBU Outer Look...................................................................... 28
Figure 4.4 – MDBU Outer Look...................................................................... 29
Figure 4.5 – MCCU Outer Look...................................................................... 30
Figure 4.6 – MPSU Outer Look ...................................................................... 31
Figure 4.7 – BIU front panel Outer Look ........................................................ 32
Figure 4.8 – Rear panel Outer Look............................................................... 33
Figure 4.9 – ODU Outer Look ........................................................................ 34
Figure 4.10 – ODU Inner Look ....................................................................... 35
Figure 4.11 – MDBU Outer Look .................................................................... 36
Figure 4.12 – 2Way Divider Outer Look ......................................................... 36
Figure 4.13 – ODU front panel Outer Look .................................................... 37
Figure 4.14 – ODU Rear panel Outer Look.................................................... 37
Figure 4.15 – Interface between BIU and ODU.............................................. 38
Figure 4.16 – OEU Outer Look....................................................................... 39
Figure 4.17 – OEU Inner Look ....................................................................... 41
Figure 4.18 – MDBU Outer Look.................................................................... 42
Figure 4.19 – EWDM Outer Look ................................................................... 42
Figure 4.20 – ECPU Outer Look .................................................................... 43
Figure 4.21 – ERFM Outer Look .................................................................... 43
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Figure 4.22 – ERFM Outer Look .................................................................... 44
Figure 4.23 – OEU front panel Outer Look..................................................... 45
Figure 4.24 – Rear panel Outer Look............................................................. 45
Figure 4.25 – ROU Outer Look ...................................................................... 46
Figure 4.26 – ROU Inner Look ....................................................................... 47
Figure 4.27 – RDU Outer Look....................................................................... 50
Figure 4.28 – R OPTIC Outer Look................................................................ 51
Figure 4.29 – RCPU Outer Look .................................................................... 52
Figure 4.30 – Multiplexer Outer Look ............................................................. 53
Figure 4.31 – ROU Bottom Look .................................................................... 54
Figure 4.32 – AOR Outer Looks ..................................................................... 56
Figure 4.33 – AOR Inner Look........................................................................ 57
Figure 4.34 – RDU Outer Look....................................................................... 58
Figure 4.35 – AOR Rear Look ........................................................................ 60
Figure 5.1 – RACK Installation ....................................................................... 63
Figure 5.2 – 800PS BDA Interface using Circulator ....................................... 69
Figure 5.3 – 800PS BDA Interface using Duplexer ........................................ 69
Figure 5.4 – Optical cable of SC/ACP Type ................................................... 78
Figure 5.5 – How to install ROU..................................................................... 80
Figure 5.6 – Dimension used to install ROU on the WALL............................. 81
Figure 5.7 – Optical cable of SC/ACP Type ................................................. 100
Figure 5.8 – How to install AOR ................................................................... 103
Figure 5.9 – Dimension used to install AOR on the WALL ........................... 103
Figure 5.10 – Installation flow diagram when AOR installs on wall .............. 104
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Figure 5.10 – Installation flow diagram when AOR installs in the rack ......... 105
Figure 5.10 – AOR which is installed above of ROU .................................... 109
Figure 5.11 – AOR which is installed under of ROU..................................... 109
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Section1
Safety & Certification Notice
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“Only qualified personnel are allowed to handle this unit. Read and obey all the
warning labels attached in this user manual”
Any personnel involved in installation, operation or service of the SOLiD Technology
repeaters must understand and obey the following:
- Obey all general and regional installation and safety regulations relating to work on high
voltage installations, as well as regulations covering correct use of tools and personal
protective equipment.
- The power supply unit in repeaters contains dangerous voltage level, which can cause electric
shock. Switch the mains off prior to any work in such a repeater. Any local regulations are to
be followed when servicing repeaters.
- The repeater cover should be (door) securely fastened in open position, e.g. by tying it up, at
outdoor work in order to prevent door from slamming due to wind causing bodily harm or
damage.
- Use this unit only for the purpose specified by the manufacturer. Do not carry out any
modifications or fit any spare parts which are not sold or recommended by the manufacturer.
This could cause fires, electric shock or other injuries.
- Any repeater, including this repeater, will generate radio signals and thereby give rise to
electromagnetic fields that may be hazardous to the health of any person who is extensively
exposed to the signals at the immediate proximity of the repeater and the repeater antennas.
- Due to power dissipation, repeater may reach a very high temperature. Do not operate this
unit on or close to flammable materials.
- Do not use any solvents, chemicals, or cleaning solutions containing alcohol, ammonia, or
abrasives.
- Certification
z FCC: This equipment complies with the applicable sections of Title 47 CFR Parts
15,22,24 and 90
UL/CUL: This equipment complies with UL and CUL 1950-1 Standard for safety for
information technology equipment,including electrical business equipment
FDA/CDRH: This equipment uses a Class 1 LASER according to FDA/CDRH Rules.This
product conforms to all applicable standards of 21 CFR Chapter 1, Subchaper J, Part
1040
-For PLUGGABLE EQUIPMENT, the socket-outlet shall be installed near the equipment and
shall be easily accessible.
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Section2
System Overview
2.1 General overview
2.2 System overview
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2.1
General overview
SMDR-NH124 is a coverage system for in-building services delivering voice and data in high
quality and for seamlessly.
As a distributed antenna system, it provides analog and digital phone systems that are served in
multiple bands through one antenna.
The system covers general public institutions and private facilities.
Shopping malls
Hotels
Campus areas
Airports
Clinics
Subways
Multi-use stadiums, convention centers, etc.
The system helps improve in-building radio environments in poor condition and make better
poor RSSI and Ec/Io. By providing communication services at every corner of buildings, the
system enables users to make a call at any site of buildings.
The system uses both analog (AMPS) and digital (TDMA, CDMA and WCDMA) methods.
The SMDR-NH124 system supports communication standards and public interface protocols in
worldwide use.
Frequencies: VHF,UHF, 700MHz, 800MHz,850MHz 900MHz,1900MHz,2100MHz, etc.
Voice protocols: AMPS,TDMA, CDMA,GSM,IDEN, etc.
Data protocols: EDGE,GPRS,WCDMA,CDMA2000,Paging, etc.
SMDR-NH124 is in modular structure per frequency. To provide desired frequency in a building,
all you need to do is to insert a corresponding frequency module into each unit. As it delivers
multiple signals with one optical cable, the system, in one-body type, does not require additional
facilities whenever new frequency is added.
The system is featured with the following:
Flexibiltiy & Scalabiltiy
„
Support fiber-optic ports up to 39
„
Clustering multiple-buildings (campus) as one coverage
Modular structures
„
„
Modular frequency upgrade
Plug-in type module
Multi-Band, Multi Operator
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z
2.2
„
Signals with a plurality of service provider transmit simultaneously
„
Support multi-operator in a band
Low OPEX / CAPEX
„
Compact design
„
Upgradable design
„
Easy installation and maintenance
„
Web Based SNMP or GSM Modem or UDP support (Optional)
System overview
SMDR-NH124 is composed of devices given below.
Basically, the system consists of BIU (BTS Interfcace Unit), ODU (Optic distribution Unit) and
ROU (Remote Optic Unit). For addition of more ROUs, it has OEU (Optic Expansion Unit).
Figure 2.1 – Basic system topology
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Figure 2.2 – Expansion system topology
Table 3.1 – System topology Charts
System elements
Optical Loss [dBo]
Max. RUs
BIU – ODU(DOUx1) – ROU
1~5dBo
BIU – ODU(DOUx2) – ROU
1~5dBo
BIU – 4ODU(DOUx2) – ROU
1~5dBo
32
BIU – 4ODU(DOUx2)-4OEU(DOUx2) – ROU
1~5dBo
60
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Section3
System Specifications
3.1 System specifications
3.1.1
Physical Specifications
3.1.2
Optic wavelength and Laser power
3.1.3
Environmental specifications
3.1.4
Operating Frequencies range
3.1.5
Specifications Per band
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System specifications
3.1
3.1.1
Physical Specifications
Parameter
RF Connectors
BIU
ODU
4 SMA type, female
SMA
OEU
ROU
AOR
type,
2 SMA Type
female
1N-type,female
1 RS-232 9-pin D-
1 RS-232 9-pin
1 RS-232 9-pin
connector
sub, male
D-sub, male
Fiber connector
External
(Per MDBU)
female
Alarm
connector
Terminal block,3pcs
(Dry contacts)
Serial
Interface
D-sub, male
8pcs, SC/APC for
1 SC/APC for ODU
ROU
8 SC/APC for ROU
1 SC/APC for ODU
EWDM Status
MDBU Status
Power
On
LD status
PD status
status
DOU1 Status
ALM status
LD status
System status
PD1/2/3/4
status
MCPU
Power
On
DOU1 Status
status
TX
LD status
DOU2 Status
PD1/2/3/4
LD status
status
PD1/2/3/4
LED Alarm and
Communicatio
Status Indicator
DOU2 Status
RX
LD status
System status
Communicatio
PD1/2/3/4
status
ALM status
RX1
Communication
TX2
Communication
on
TX
RX2
Communication
ALM status
Communicatio
Power
On
status
status
MPSU
TX1
Communication
status
Power
Power on status
DC ALM status
RX
Communicatio
Normal
AC Power
Range:
120VAC 50/60Hz
Same
Operating range
side
left
108~132VAC,50/60Hz
Normal range: -48
DC Power
VDC
Normal: -48 VDC
Operating range:
-40.8 ~ -57.6VDC
-40.8 ~ -57.6VDC
Power
consumption
168W
(Including
ODU
4EA)
Enclosure
482.6(19”)
Dimensions
221.5(5U) x 450
43.6(1U) x 450
Weight[Full Load]
22.25Kg
5.7Kg
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482.6(19”)
Same to left
Operating range:
48W
265W
(Including DOU2EA)
(Including RDU 3EA)
482.6(19”)
x 88.1(2U) x 450
9.3Kg
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420 x 530 x 258
35.45Kg
side
78W
(VHF/UHF
RDU)
482.6(19“) x
258 x 177
11Kg
3.1.2
Optic wavelength and Laser power
Parameter
ODU
OEU
ROU
West optic
TX: 1550nm
TX: 1310nm
RX: 1310nm
TX: 1550nm
RX: 1550nm
East optic
RX: 1310nm
Wavelength
TX: 1310nm
RX: 1550nm
3dBm±1dBm to ROU
Output power
3dBm±1dBm to ROU,OEU
7dBm±1dBm to ODU
7dBm±1dBm to ODU
3.1.3
Environmental specifications
Parameter
BIU, ODU, OEU
Operating Temperature
-10
Operating Humidity, non condensing
3.1.4
to
+50°C
ROU/AOR
-10 to +50°C
5% to 90%
Operating Frequencies range
Standard
Unit naming
Description
Frequency range
TX(MHz)
RX(MHz)
iDEN
700P
Public safety
764 to 776
794 to 806
iDEN
800P
Public safety
851 to 869
806 to 824
Cellular
850C
Cellular
869 to 894
824 to 849
Iden
900I
SMR
929 to 940
896 to 902
Paging
900 PA
Paging
929 to 930
896 to 902
PCS
1900P
PCS
1930 to 1995
1850 to 1915
AWS-1
AWS-1
AWS-1
2110 to 2155
1710 to 1755
VHF
Public safety
136 to 174
136 to 174
UHF
Public safety
396 to 512
396 to 512
LTE
700LTE
Long Term Evolution
746 to 756
777 to 787
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3.1.5
Specifications Per band
700MHz Long Term Evolution
Typical
Parameters
TX
Remarks
RX
Bandwidth
10MHz
10MHz
System ripple
≤2dB
≤2dB
Input Power level
-20 to +10dBm
≤-50dBm
Output power
+23dBm
+0dBm
System Gain
43dB
50dB
Gain Control range
18 to 43dB
30 to 50dB
IM3
-13dBm
IP3
+23dBm
Noise figure
15dB
Total
1ROU
700MHz Public safety
Typical
Parameters
TX
Remarks
RX
Bandwidth
12MHz
12MHz
System ripple
≤5dB
≤5dB
Input Power level
-20 to +10dBm
≤-50dBm
Output power
+23dBm
+0dBm
System Gain
43dB
50dB
Gain Control range
18 to 43dB
30 to 50dB
IM3
-13dBm
IP3
+23dBm
Noise figure
15dB
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Total
1ROU
800MHz Public safety
Typical
Parameters
TX
Remarks
RX
Bandwidth
18MHz
18MHz
System ripple
≤5dB
≤5dB
Input Power level
-20 to +10dBm
≤-50dBm
Output power
+23dBm
+0dBm
System Gain
43dB
50dB
Gain Control range
18 to 43dB
30 to 50dB
IM3
-13dBm
IP3
+23dBm
Noise figure
15dB
Total
1ROU
850MHz Cellular
Typical
Parameters
TX
Remarks
RX
Bandwidth
25MHz
25MHz
System ripple
≤5dB
≤5dB
Input Power level
-20 to +10dBm
≤-50dBm
Output power
+23dBm
+0dBm
System Gain
43dB
50dB
Gain Control range
18 to 43dB
30 to 50dB
IM3
-13dBm
IP3
+23dBm
Noise figure
15dB
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Total
1ROU
900MHz iDEN & Paging
Typical
Parameters
TX
Remarks
RX
Bandwidth
12MHz
6MHz
System ripple
≤5dB
≤5dB
Input Power level
-20 to +10dBm
≤-50dBm
Output power
+23dBm
+0dBm
System Gain
43dB
50dB
Gain Control range
18 to 43dB
30 to 50dB
IM3
-13dBm
IP3
+23dBm
Noise figure
15dB
Total
1ROU
1900MHz PCS
Typical
Parameters
TX
Remarks
RX
Bandwidth
65MHz
65MHz
System ripple
≤5dB
≤5dB
Input Power level
-20 to +10dBm
≤-50dBm
Output power
+26dBm
+0dBm
System Gain
50dB
50dB
Gain Control range
25 to 50dB
30 to 50dB
IM3
-13dBm
IP3
+23dBm
Noise figure
15dB
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Total
1ROU
1700MHz&2100MHz AWS-1
Typical
Parameters
TX
Remarks
RX
Bandwidth
45MHz
45MHz
System ripple
≤5dB
≤5dB
Input Power level
-20 to +10dBm
≤-50dBm
Output power
+30dBm
+0dBm
System Gain
50dB
50dB
Gain Control range
25 to 50dB
30 to 50dB
IM3
-13dBm
IP3
+23dBm
Noise figure
15dB
Total
1ROU
150MHz VHF Public safety
Typical
Parameters
TX
Remarks
RX
Bandwidth
38MHz
38MHz
System ripple
≤5dB
≤5dB
Input Power level
-15 to +10dBm
≤-54dBm
Output power
+24dBm
-4dBm
System Gain
39dB
50dB
Gain Control range
14 to 39dB
30 to 50dB
IM3
-13dBm
IP3
+23dBm
Noise figure
7dB
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136~174MHz
Total
1ROU
450MHz UHF Public safety
Typical
Parameters
TX
Remarks
RX
396~450MHz(54MHz)
Bandwidth
116MHz
116MHz
450~512MHz(62MHz)
Band selection
System ripple
≤5dB
≤5dB
Input Power level
-15 to +10dBm
≤-54dBm
Output power
+24dBm
-4dBm
System Gain
39dB
50dB
Gain Control range
14 to 39dB
30 to 50dB
IM3
-13dBm
IP3
+23dBm
Noise figure
7dB
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Total
1ROU
Section4
System Configuration and Functions
4.1 BIU (BTS Interface Unit)
4.2 ODU (Optic distribution Unit)
4.3 OEU (Optic Expansion Unit
4.4 ROU (Remote Optic Unit)
4.5 AOR (Add on V/UHF ROU)
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4.1
BIU (BTS Interface Unit)
BIU provides TX signals from BTS or BDA for four ODUs (Optic Distribution Unit). This
unit separates RX signals given from ODUs from each other per frequency band.
Figure 4.1 – BIU outer view
4.1.1
Specifications of BIU
Item
Spec.
Remark
Size
482.6(19”) x 221.5(5U) x 450
Mm
Weight
22.35 Kg
Power consumption
168 W
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Full Load
4.1.2
Block diagram of BIU
4.1.3
BIU parts
Figure 4.2 – BIU mounting diagram
No.
Unit
Description
Remark
Main Drive BTS Unit
MDBU
Amplify & adjust downlink RF signal
Amplify & adjust uplink RF signal
Main Com/Div Unit
MCDU
Combine 4EA downlink signal and divide 4EA signal to ODU
Combine 4EA uplink signal and divide 4EA signal to MDBU
Support VHF/UHF interface port
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Max 4EA
Main Central Processor Unit
Control and monitoring system status
MCPU
Control and monitoring with RS232
Have an access to upper-level network through GSM or
Ethernet
MPSU
Main Power Supply Unit
Input power: DC -48V, Output power: 9V, 6V
Mother Board
M/B
Provide signal interface and power for each unit
Provide three ports for dry contact
Shelf
4.1.4
19 inch, 5U
Function by unit
1) Main Drive BTS Unit (MDBU)
MDBU delivers TX signals of BTS or BDA to related devices and then delivers RX signals of the
devices to BTS or BDA. This unit can monitor TX input level. Using input AGC function, it
automatically adjusts input ATT. It also has ATT to adjust RX gain. MDBU is varied per
frequency band including the following:
No
Unit naming
In/out RF Port
Description
TX
RX
800PS
Single Band
2 Port
2 Port
850C
Single Band
2 Port
2 Port
1900P
Single Band
4 Port
4 Port
AWS-1
Single Band
4 Port
4 Port
800PS+900I+PA
Dual Band
4 Port
4 Port
850C+700PS
Dual Band
4 Port
4 Port
TBD
850C+700LTEC
Dual Band
4 Port
4 Port
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800PS
800PS+900I+Paging
1900PCS
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850C+700PS
850C
850C+700LTEC
Figure 4.3 – MDBU Outer Look
2) Main Com/Div Unit (MCDU)
MCDU combines TX signals that are delivered from MDBU per frequency band and delivers the
signals to four ODUs. This unit adds signals of FSK modem to the TX signals before sending
them to ROU. It also combines RX signals from up to four ODUs and sends them to up to four
MDBUs. In this case, the unit extracts signals of FSK modems, which are sent in a combined
form with RX signals, and then delivers the signals to MCU.
The unit has a port to interface with VHF&UHF signals. It has ATT for input monitoring and input
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control.
Figure 4.4 – MDBU Outer Look
VHF+UHF frequency band including the following:
No
Unit naming
VHF+UHF
In/out RF Port
Description
Dual Band
TX
RX
1 Port
1 Port
3) Main Central Processor Unit (MCPU)
MCPU can inquire and control state of modules that are installed in BIU.
This unit can inquire and control state of four ODUs in total. Through communication, it also can
inquire and control ROU that is connected with lower parts.
In addition, the unit has RS-232C port for serial communication so that it can inquire and control
state of devices through PC. On the front panel, it has communication LED indicator to check
communication state with ROU. It also has ALM LED indicator to show whether a device gets
faulty.
For access to upper network, it has a port to insert Ethernet port and GSM modem in it.
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Figure 4.5 – MCPU Outer Look
In the Main Central Processor Unit, a lithium battery is installed for RTC (Real Time Control)
function.
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE
DIPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS
[INSTRUCTION]
The equipment and accessories including inner lithium battery are to be disposed of safely after
the life span of them and national regulation must be observed. Do not attempt to replace the
lithium battery unless service personnel confirmation has first been obtained, to avoid any risk
of explosion.
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4) Main Power Supply Unit (MPSU)
MPSU receives -48V of input and outputs +6V and +9V of DC power.
On the front panel, this unit has an output test port and it also has DC ALM LED Indicator to
show whether output gets faulty.
Figure 4.6 – MPSU Outer Look
4.1.5
1)
Front/rear panels of BIU
Front panel
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Figure 4.7 – BIU front panel Outer Look
Item
1. MDBU LED
2. RF Monitor Port
3. Alarm LED & Reset
4. NMS(RS-232C port)
Description
LED to show whether MDBU is installed and gets faulty
20Db Coupling compared with TX Input Level
20Db Coupling compared with RX Output Level
Communication state with devices, alarm status of the system and reset
switch
RS-232C port for communication and diagnosis of devices through
PC/laptop
Ethernet port for upper network
5. NMS(Ethernet port)
This equipment is indoor use and all the communication wirings are
limited to inside of the building
6. Pwr Test Port & ALM
Output DC power test port and ALM LED to show abnormal state, if any
7. Power switch
Power ON/OFF switch
2) Rear panel
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Figure 4.8 – Rear panel Outer Look
Item
Description
1. External ALM Port
Input/output terminal for dry contact
2. GSM Modem Port
GSM Modem terminal for upper network (Optional)
3. V/UHF I/O Port
RF signal interface terminal of VHF&UHF
4. ODU I/O Port
RF signal interface terminal for ODU
5. ODU signal Port
Power and signal interface terminal for ODU
6. BTS/BDA I/O Port
Input/output interface terminal of BTS/BDA
7. GND Port
System ground terminal
8. DC Input Port
Input terminal for DC -48V
4.2
ODU (Optic distribution Unit)
ODU receives TX RF signals from upper BIU and converts them into optical signals. The optical
signals are sent to ROU through optical cables. This unit converts optical signals from ROU into
RF signals and sends the converted signals to BIU.
For each shelf of the ODU, up to two DOUs (Donor Optic Unit) can be installed in it.
One DOU is supported with four optical ports. Therefore, one ODU can be connected with eight
ROUs.
Up to four ODUs can be connected with BIU.
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Figure 4.9 – ODU Outer Look
4.2.1
Specifications of ODU
Item
Spec.
Remark
Size
482.6(19”) x 43.6(1U) x 450
Mm
Weight
5.7 Kg
Power consumption
27 W
4.2.2
Block Diagram of ODU
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Full Load
4.2.3
ODU parts
Figure 4.10 – ODU Inner Look
No.
Unit
Description
Remark
DOU
DOU
Convert TX RF signals into optical signals;
Convert RX optical signals into RF signals;
Provide up to four optical ports per DOU
2Way Divider
2W
Divide TX RF signals into two;
Combine two RX RF signals into one
DU
Shelf
Accessories
Confidential & Proprietary
Distribution Unit
Distribute power and signals to DOU
19” rack, 1U
15PIN DSUB, Male to female 1pcs
RF Coaxial Cable Assembly 2pcs
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Max 2ea
4.2.4
1)
Function by unit
Donor Optic Unit (DOU)
DOU makes electronic-optical conversion of TX signals and makes optical-electronic conversion
of RX signals.
With an optic splitter in it, this unit divides optical signals from Laser Diode into four and then
distributes them to each optical port. With a total of four Photo Diodes in RX, DOU makes
optical-electronic conversion of signals received from each optical port. In addition, the unit is
equipped with ATT for optical compensation made in case of optical cable loss.
With internal WDM, it uses only one optical cable to be connected with ROU.
Figure 4.11 – MDBU Outer Look
2) 2Way Divider (2W)
2W is equipped with two 2-way splitters in a one-module form and the splitters work for TX/RX
signals, respectively.
Designed in broadband type, the divider combines and divides 2GHz or higher of signals from
FSK modem signals.
Figure 4.12 – 2Way Divider Outer Look
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4.2.5
1)
Front/rear panels of ODU
Front panel
Figure 4.13 – ODU front panel Outer Look
Item
1,2
Description
LED indicator to check DOU module state to see if it is abnormal
2) Rear panel
Figure 4.14 – ODU Rear panel Outer Look
Item
Description
1. Optic Port
SC/APC optical connector terminal; use one optical cable per ROU.
2. DC I/O Port
Terminal to deliver power and state values
3. RX RF Port
RX RF signal interface terminal
4. TX RF Port
TX RF signal interface terminal
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4.2.6
Interface with BIU
Figure 4.15 – Interface between BIU and ODU
On the top of BIU, up to four ODUs can be stacked.
In this case, it is recommended to stack the units at least 1U of an interval between BIU, for
heat from BIU may climb up to ODU, which may cause flame.
As seen in the figure below, connect the coaxial cable for TX and another coaxial cable for RX
with corresponding ports at the rear of BIU. For power supply and communication, connect
15Pin D-Sub Connector cable with a corresponding port.
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4.3
OEU (Optic Expansion Unit)
OEU is mainly used to remotely deliver signals for Campus clusters. At the upper part, this unit
combines with ODU and receives TX optical signals to convert them into RF signals. Then, it
regenerates the signals to secure S/N feature and converts them into optical signals. The
signals are sent to ROU through optical cables. When it receives RX optical signals from ROU,
the unit converts them into RF signals to regenerate the signals and then converts them into
optical signals to send them to ODU.
In OEU, one shelf can be equipped with up to two DOUs. The DOU is the same as the module
used for ODU. Up to two OEUs can be connected with ODU.
Figure 4.16 – OEU Outer Look
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4.3.1
Specifications of OEU
Item
Spec.
Remark
Size
482.6(19”) x 88.1(2U) x 450
mm
Weight
9.3 Kg
Power consumption
48 W
4.3.2
Block Diagram of OEU
4.3.3
OEU parts
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Full Load
Figure 4.17 – OEU Inner Look
No.
Unit
Description
Remark
Donor Optic Unit
DOU
Convert TX RF signals into optical signals;
Convert RX optical signals into RF signals;
Provide up to four optical ports per DOU
Expansion Wavelength Division Multiplexer
EWDM
Convert TX optical signals into RF signals;
Convert RX RF signals into optical signals;
Compensate for optical cable loss with ODU
Expansion Central Processor Unit
ECPU
Control and monitoring system status
Control and monitoring with RS232
Relay state values of ROU to BIU
EPSU
Expansion Power Supply Unit
Input power: DC -48V, Output power: 9V, 6V
Expansion Radio Frequency Module
ERFM
Regenerate TX signals and transmit FSK modem
signals;
Regenerate RX signals and receive FSK modem signals
4.3.4
1)
Shelf
19” rack, 2U
Function by unit
Donor Optic Unit (DOU)
DOU is the same as the module used for ODU.
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Max 2ea
Figure 4.18 – MDBU Outer Look
2) Expansion Wavelength Division Multiplexer(EWDM)
EWDM module makes optical-electronic conversion of TX signals and makes electronic-optical
conversion of RX signals. With an FSK modem in it, this multiplexer communicates with BIU. It
also has ATT for optical compensation to compensate for optical cable loss between ODUs.
Furthermore, it has internal WDM, and so, it needs only one optical cable to work with ROU.
Figure 4.19 – EWDM Outer Look
3) Expansion Central Processor Unit(ECPU)
ECPU can inquire and control state of modules to be installed into OEU. This unit
communicates with upper BIU while communicating with lower ROU. It also acts as
communication bridge between BIU and ROU.
In addition, the unit has RS-232C port for serial communication, which enables inquiry and
control of devices thorugh PC. At the front panel, communication LED indicator indicates
communication state with upper BIU and lower ROU. It also has ALM LED indicator to show if a
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device gets faulty.
Figure 4.20 – ECPU Outer Look
4) Expansion Radio Frequency Module(ERFM)
ERFM reconstructs Signal to Noise degraded by optical modules. With an internal FSK modem,
this module communicates with ROU.
Figure 4.21 – ERFM Outer Look
5) Expansion Power Supply Unit(EPSU)
As DC/DC Converter, EPSU receives -48V of input and provides +9V and +6V of DC power
required for OEU.
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Figure 4.22 – ERFM Outer Look
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4.3.5
1)
Front/rear panels of OEU
Front panel
Figure 4.23 – OEU front panel Outer Look
Item
Description
1.EWDM LED
LED indicator to check EWDM state to see if it is abnormal
2.DOU LED
LED indicator to check DOU module state to see if it is abnormal
3.System LED and Reset
Communication state with devices, alarm status of the system and reset
switch
RS-232C port for communication and diagnosis of devices through
4. NMS(RS-232C port)
PC/laptop. This equipment is indoor use and all the communication
wirings are limited to inside of the building
2) Rear panel
Figure 4.24 – Rear panel Outer Look
Item
Description
1. GND Port
Terminal for system ground
2. DC Input Port
Input terminal for DC -48V
3.power switch
Power ON/OFF switch
4. To/From ODU Optic Port
SC/APC optical connector terminal
5. To/From ROU Optic Port
SC/APC optical connector terminal; use one optical cable per ROU.
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