User's Manual Part 3

RBS 2109 User’s Guide
Related RUs
The RUs listed below have higher priority than the RU described in this section.
If they are present, then proceed to the related section before handling this RU.
• 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.
• 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.
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:
Resetting IXU
1. Press the IXU reset button on the IXU interface panel.
Loading SW in the RBS
2. Load SW and IDB.
3. Replace the flash card, proceed with Section 9.5.1 Flash Card Replacement
on page 187.
Replacing IXU
4. Replace the IXU, proceed with Section 9.5.3 IXU Replacement on page
195.
9.3.3 SO CF RU:3/ Y Link
This section describes how to localise an SO CF RU:3/ Y Link fault. The Y link
cable is connected between the IXU and the RRU(s).
Related RUs
The RU listed below has higher priority than the RU described in this section. If
it is present, proceed to the related section before handling this RU.
• If ‘‘SO CF RU:34/ IDB’’ appears in the OMT, proceed with Section 9.3.8
SO CF RU:34/ IDB on page 169.
Displaying Fault Information
Display fault information according to Section 9.3.1 Reading Fault Status on
page 159.
161EN/LZT 720 0090 Uen R1A 2004-09-17