User's Manual

38/346 Issue 01 - April 2001 - Draft 04 3CC12426AAAA TQ BJA 01
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Table 13: BS equipment summary per sector
2.4.4 – BS installation tasks
The following installation tasks apply to the installation of a BS.
2.5 – Installing BS X-Pol RBS Txs, X-Pol RBS Rxs and antennas
2.5.1 – Overview
This chapter describes how to:
– attach an X-Pol RBS Tx or X-Pol RBS Rx to an antenna,
– attach antenna mounting plates to a pole,
Item
Number for
non-redundant
X-Pol RBS Tx/
X-Pol RBS Rx
system
Number for
redundant
X-Pol RBS Tx/
X-Pol RBS Rx
system
Part number
Commercial
Code
12:2 Combiner/Splitter 2 2 90-6659-01
2:1 Combiner/Splitter 0 2 90-6734-01
Type N lightning arrester 2 4 90-6517-01
X-Pol RBS Tx 1 2 See § 2.3
X-Pol RBS Rx 1 2 See § 2.3
Antennas 1
1
2
2
290-4563-xx
(horizontal polarization)
90-4564-xx
(vertical polarization)
RS-422 lightning arrester 2 4 90-6519-01
Surge protector 2 4 90-6739-01
Bias-T 2 4 90-6516-01
Bias-T power cable 2 4 90-6518-01
Task Chapter
Install the IBS
Attach the X-Pol RBS Tx/X-Pol RBS Rx to an antenna
Attach the antenna to the pole assembly, ground the
X-Pol RBS Tx/X-Pol RBS Rx and adjust the downtilt
Connect the surge protectors to the Bias-Ts
Connect the Bias-Ts to the 12:2 Combiner/Splitter
Mount the Type N lightning arresters
Connect the BS cables
Calibrate IF cable upstream and downstream losses