User's Manual Part 3

RBS 2109 User’s Guide
Resetting RRU
1. Press the RRU reset button on the RRU interface panel.
Restarting RRU
2. Switch off the RRU, wait for one minute and switch it on again.
Replacing RRU
3. Replace the RRU, see Section 9.5.7 RRU Replacement on page 208.
9.4 Troubleshooting Using the RBS Indicators
This section describes troubleshooting procedures using the RBS indicators.
If no faults are detected in the RBS, then the indicators should be in accordance
with the tables below.
Table 54 RRU Indicator Status When the RBS is in Operation
RRU Indicator
State
Fault Off
Operational On
Local Off
RF off Off
AC power on On
(1)
DC power on On
(1)
RRU temp. Off
(1) Depending on power system configuration.
Table 55 IXU Indicator Status When the RBS is in Operation
IXU Indicator
State
Fault Off
Operational On
Local Off
RBS fault Off
External alarm Off
AC power on On
(1)
DC power on On
(1)
175EN/LZT 720 0090 Uen R1A 2004-09-17