Ensemble Communications ODU-2800-001 Fiberless 2800 Series Outdoor Unit transceiver User Manual Users manual 2 of 3 ODU Install

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Document ID	151464
Application ID	rsfhYNcUbQcdSd1YBvdQtw==
Document Description	Users manual 2 of 3 ODU Install
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	306kB (3824995 bits)
Date Submitted	2001-05-24 00:00:00
Date Available	2001-05-31 00:00:00
Creation Date	2001-03-27 10:36:19
Producing Software	Acrobat Distiller 4.05 for Windows
Document Lastmod	2001-05-10 13:34:10
Document Title	Operator’s Guide to the Fiberless System for ATM
Document Creator	FrameMaker 6.0
Document Author:	Marsha Jovanovic, Cheryl Nemeth, Jayne Keller, et al.

6-4
Operator’s Guide to the Fiberless System
ODU Installation
Note
Ground Mast
Antenna Mounting
Installers are responsible for supplying mounting bolts.
All steel mounting structures attached to the building and the
antenna mast must be connected to the building grounding
system. If no grounding system or ring is available, ground the
antenna mounting structures to the nearest structural beam. The
grounding conductor should be set at least a # 2 (AWG) solid
tinned copper wire. Use exothermic welds (Cad Welds) when
possible to connect to the mounting structure and the building
grounding system.
1. Attach the ODU mounting bracket to a mast between 2- and 4inches in diameter (1 in Figure 6-1).
2. Remove the nuts and washers (2 in Figure 6-1) from one side of
each of the two mounting clamps (3) and slide the mounting
clamps off the bolts. Set them aside in a safe place.
3. Slip the mounting rack (4 in Figure 6-1) around the mast.
4. Reattach each of the two mounting clamps with the flat washer,
lock washer, and nut.
5. Tighten with a 1/2-inch socket wrench until secure.
Ensemble Communications Inc.
6-5
CPE Site Setup
(1) Mast
Azimuth (7)
Alignment
Bolt
(2)
Flat Washer
Lock Washer
Nut
Elevation (6)
Markers
(3) Mounting
Clamps
(4) Mounting
Rack
Alignment (5)
Bracket
Vertical Alignment Bolt
Figure 6-1. CPE Pole Mount Assembly
6. Attach the antenna to the mounting plate, orienting it for
proper polarization (see the next sections) and LOS alignment
with the base stations.
7. After aligning the antenna, tighten the mounting clamps.
Lightning Suppressor
Installation
Note
A lightning suppressor is not shipped with the ODU. See page 3-10 for
the Ensemble-recommended lightning suppressor.
WARNING
It is not possible to guarantee that lightning protection will
be 100 percent effective against a direct lightning strike.
Install one suppressor as close as possible to the point at which the
cable enters the building. Another suppressor should be installed
as close as possible to the ODU. See Table 6-2 and Table 6-3 for
illustrations of the suppressor installation.
Ensemble Communications Inc.
6-6
Operator’s Guide to the Fiberless System
Note
Connect the supplied ground strap from the ODU housing to the pole
mount (antenna ground points), ensuring there is contact on the pole.
Suppressor
Grounding
stud
Ground
strap
Figure 6-2. Lightning Suppressor Assembly
Outdoor Unit
To TNC IF
Connector
From
Indoor Unit
Figure 6-3. Lightning Suppressor Assembly Closeup
Ensemble Communications Inc.
CPE Site Setup
Vertical Antenna
Polarization
6-7
•
For a vertical polarized antenna, mount the unit with its two
cable connectors facing down.
•
Line up the bolts in the antenna with the four holes in the
mounting bracket as shown in Figure 6-4.
Antenna
Ground
Points
Drain hole
BNC
alignment
connector
TNC IF
connector
Drain hole
Figure 6-4. Mounting Vertically Polarized ODU
Horizontal Antenna
Polarization
•
For a horizontally polarized antenna, mount the unit with its
two cable connectors facing sideways, so that the TNC connector points downward.
•
Line up the bolts in the antenna with the four holes in the
mounting bracket as shown in Figure 6-5.
BNC
alignment
connector
Drain hole
Antenna
Ground
Points
TNC IF
connector
Drain hole
Figure 6-5. Mounting Horizontally Polarized ODU
Ensemble Communications Inc.

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Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.3
Linearized                      : No
Producer                        : Acrobat Distiller 4.05 for Windows
Creator                         : FrameMaker 6.0
Modify Date                     : 2001:05:10 13:34:10-07:00
Author                          : Marsha Jovanovic, Cheryl Nemeth, Jayne Keller, et al.
Subject                         : Installation and operation for Fiberless System
Title                           : Operator’s Guide to the Fiberless System for ATM
Create Date                     : 2001:03:27 10:36:19
Page Count                      : 4
Page Mode                       : UseOutlines

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