User's Manual Part 2

RBS 2308 and RBS 2309 User’s Guide
IXU Indicato r
Status
Local
On
RBS fault Off
External alarm
Off
AC power on On
(1)
DC power on On
(1)
IXU tem p.
Off
Transmission OK On/Off
(2)
(1) Depending on power system configuration.
(2) Status, depending on transmission configuratio n.
Note: In cold conditions, the RBS may need up to 75 minutes to warm up,
during which time the IXU or RRU temperature indicator is on. The
internal heater works only with AC power supply.
RBS units from certain R-states are less sensitive to low temperatures
and have therefore no internal heater. For more information about unit
R-states from which these improvements apply, see chapter Product
Description, section Operating Environment in the following manual:
RBS 2308, RBS 2309, and RBS 2109
Hardware Reference Manual
EN/LZN 720 0058
3. If the Operational indicator on the RRU and/or IXU is double-flashing,
software is being downloaded. If the indicator is flashing, configuration is in
progress. Wait until the indicator stops flashing or double-flashing before
continuing.
4. If the Local indicator on the IXU is off or flashing, press the Local/Remote
button to set the IXU in local mode.
7.5 Testing Fan Unit
This section describes how to test the optional fan unit (if applicable).
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EN
/LZT 720 0027 Uen R8A 2006-06-27