User's Manual Part 3

RBS 2308 and RBS 2309 User’s Guide
13. Replace the faulty equipment identified in the DTF test.
Note: The RXBP and MCB are not included in the DTF test.
14. If no faulty equipment was identified, replace the antenna.
10.3.10 SO CF RU:48/ GPS Receiver
This section describes how to localize an SO CF RU:48/ GPS Receiver. To
avoid complete loss of traffic, have the BSC operator configuring PCM as
backup synchronization source (SYNCSRC=DEFAULT).
Related RUs
The RUs listed below have higher priority than the RU described in this section.
If they are present, go to the related section before handling this RU.
• If “SO CF RU:34/ IDB” appears in the OMT, then proceed with Section
10.3.8 SO CF RU:34/ IDB on page 187
• If “SO CF RU:0/ IXU” appears in the OMT, then proceed with Section
10.3.2 SO CF RU:0/ IXU on page 179
Displaying Fault Information
Display fault information according to Section 10.3.1 Reading Fault Status
on page 177.
Perform the following actions step-by-step until the fault ceases:
Replacing GPS Receiver
1. Disconnect the power to the GPS, for example by disconnecting the
connector in the OVP. Wait a few minutes and then reconnect the power.
2. Replace the GPS receiver.
10.3.11 SO CF RU:49/ GPS Receiver DXU Cable
This section describes how to localize an SO CF RU:49/ GPS Receiver
DXU cable. To avoid complete loss of traffic, ensure that the BSC operator
configures PCM as backup synchronization source (SYNCSRC=DEFAULT).
Related RUs
The RUs listed below have higher priority than the RU described in this section.
If they are present, go to the related section before handling this RU.
• If “SO CF RU:34/ IDB” appears in the OMT, then proceed with Section
10.3.8 SO CF RU:34/ IDB on page 187
1
89
EN
/LZT 720 0027 Uen R8A 2006-06-27