Checking The Antenna Connection - Huawei BTS3900 GSM Commissioning Manual

BTS3900(A) GSM
Commissioning Guide

6.1.3 Checking the Antenna Connection

This describes how to check the antenna connections with an MS. You can lock the MS on a
cell frequency and perform the dialing test. If the MS dialing test is successful, the antenna is
properly connected.
Prerequisite
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Procedure
Step 1 Power on one test MS, and check that the MS automatically searches for the GSM network.
If...
The test MS fails to find the GSM
network
The test MS finds the GSM network
Step 2 Lock the test MS on a frequency in a logical cell under the BTS.
Step 3 Perform the dialing test using the test MS. Then, check whether the antenna corresponding to
the frequency is connected properly according to the test results.
If...
The dialing test is successful
The dialing test is not successful You can infer that the antenna system on the frequency
Issue 02 (2009-04-20)
The BTS is powered on and works normally.
The transmission between the BSC and the BTS is normal.
The antenna system is connected to the cabinet.
The test MS is registered in the HLR.
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Then...
Check whether the test MS has a SIM card. If
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the test MS does not have a SIM card, insert the
SIM card in the MS.
Check whether the SIM card supports
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authentication and encryption. If the SIM card
does not support authentication or encryption,
replace it.
Check whether the test MS is functional. If the
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test MS is faulty, replace it.
Go to Step 2.
Then...
You can infer that the feeder corresponding to the
frequency is connected properly. Go to
may be connected improperly. Check the antenna
connection and adjust the antenna.
6 Optional Commissioning Tasks
Step 4.
6-5