User's Manual Part 3

RBS 2109 User’s Guide
P011187A
2 mm
Figure 83 Voltage Check
9.3.12 SO TRXC RU:0/ RRU
This section describes how to localise an SO TRXC RU:0/ RRU fault.
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:3/ Y link’’ appears in the OMT,
then proceed with Section
9.3.3 SO CF RU:3/ Y Link on page 161
• If ‘‘SO CF RU:31/ Environment’’ appears in the OMT, then proceed with
Section 9.3.7 SO CF RU:31/ Environment on page 167
• If ‘‘SO CF RU:34/ IDB’’ appears in the OMT, then proceed with Section
9.3.8 SO CF RU:34/ IDB on page 169
Two TXs are used when TX diversity is activated, but only the first TX sends the
alarm. The fault is therefore located in a different RRU.
Displaying Fault Information
Display fault information according to Section 9.3.1 Reading Fault Status on
page 159.
Perform the following actions step-by-step until the fault ceases:
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N/LZT 720 0090 Uen R1A 2004-09-17