User's Manual Part 3

RBS 2308 and RBS 2309 User’s Guide
9. Check that the cabl
e is free from damage
10. If the Y-link cable is damaged, replace it according to Section 10.5.12
Replacing a Y-Link Cable on page 250
Replacing the RRU
11. Replace the RRU, see Section 10.5.8 Replacing an RRU on page 235
Replacing the IXU
12. Replace the IXU, see Section 10.5.4 Replacing an IXU on page 219
10.3.4 SO CF RU:4/ TIM
This section describes how to localize an SO CF RU:4/ TIM fault.
Related R Us
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:0/ IXU” appears in the OMT, proceed with Section 10.3.2
SO CF RU:0/ IXU on page 179
• If “SO CF RU:3/ Y link” appears in the OMT, proceed with Section 10.3.3
SO CF RU:3/ Y Link on page 179
• If “SO CF RU:34/ IDB” appears in the OMT, proceed with Section 10.3.8
SO CF RU:34/ IDB on page 187
• If “SO TRXC RU:0/ RRU” appears in the OMT, proceed with Section
10.3.12 SO TRXC RU:0/ RRU on page 192
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:
Checking Contacts on TIM and IXU
1. Check that the TIM is correctly installed, and that all connector pins on both
IXU and TIM are free from damage.
Replacing TIM
2. Replace the TIM, seeSection 10.5.4 Replacing an IXU on page 219 .
182
EN/LZT 720 0027 Uen R8A 2006-06-27