Checking The Dip Switch Settings Of The Boards - Huawei BTS3900 GSM Commissioning Manual

BTS3900(A) GSM
Commissioning Guide
Step 3 Click Start. The Confirm dialog box is displayed. Click Yes to perform the test. The result is
displayed in the Test Result area, as shown in
If...
The BER is 0 per mille
The BER is not 0 per mille The service channel is abnormal. Record the number of the
Step 4 Repeat steps
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6.3 Checking the DIP Switch Settings of the Boards

This describes how to check whether the settings of the DIP switches on the board are correct.
You can perform this task by checking whether the attribute values corresponding to the DIP
switches meet the actual requirements on the LMT.
Prerequisite
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Procedure
Step 1 Query the information of the GTMU: In the BSC6000 Local Maintenance Terminal window,
select the target site. Right-click GTMU on the Site Device Panel tab page, and choose Query
Board Information. The Query Board Information dialog box is displayed.
Step 2 Click the Running Parameter tab, and then click Query on the Running Parameter tab page.
The query is successful, and the running status of the board is displayed in the dialog box.
Step 3 Check whether Attribute Value of E1/T1 Capability and Impedance Capability consistent
with the actual condition, as shown in
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Issue 02 (2009-04-20)
NOTE
The maximum Duration of the BIU loop test is the default value, which is 10s. In most cases, the default
value is used.
NOTE
During the test, you can click Stop to stop the test. The Succeeded in stopping the TRX loop test. message
is displayed in the Test Result area.
Step 1 through
The BTS is in TDM transmission mode.
The transmission between the BSC and the BTS is normal.
If the attribute values are consistent with the actual condition, end the task.
If the attribute values are not consistent with the actual condition, see the BTS3900 Quick
Installation Guide or the BTS3900A Quick Installation Guide to set the corresponding DIP
switches on the BTS side again.
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Figure
Then...
The service channel is normal.
faulty TRX, and contact Huawei BTS technical support
engineers for troubleshooting.
Step 3 to perform the loopback test on the other channels.
Figure 6-5.
6 Optional Commissioning Tasks
6-4.
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