User's Manual Part 3

RBS 2308 and RBS 2309 User’s Guide
Related R Us
The RU listed below
has higher priority than the RU described in this section. If
it is present, proc
eed to the related section before handling this RU.
• If “SO CF RU:34/ ID
B” appears in the OMT, proceed with Section 10.3.8
SO CF RU:34/ IDB on
page 187.
Displaying Fault
Information
Display fault in
formation according to Section 10.3.1 Reading Fault Status
on page 177.
Perform the foll
owing actions step-by-step until the fault ceases:
Checking IDB Con
figuration
1. In the Maintenan
ce menu in OMT, select Check IDB to display possible
inconsistenci
es between the HW and the IDB. Ensure that the IDB is in
accordance wit
h the HW cabinet configuration.
Checking RRU Po
wer
Perform the fol
lowing actions step-by-step until the fault ceases, or until the
RRU power is con
firmed.
Note: This is on
ly valid for an RRU connected to the Y-link generated alarm.
2. Check that the
indicators AC Power on/DC Power on on the RRU
interface pan
el are on.
3. Open the RBS an
d check that the RRU power is switched on.
4. Check that the
power cable from the MBU to the RRU is correctly
connected.
5. Disconnect t
he power cable from the RRU and use a multimeter to check
that the corr
ect voltage is being supplied to the RRU, see figure and table
below.
For more info
rmation about correct voltage, see:
RBS 2308, RBS 2309, and RBS 2109
Hardware Reference M anual
EN/LZT 720 0058
180
EN/LZT 720 0027 Uen R8A 2006-06-27