User's Manual Part 2

RBS 2109 User’s Guide
Table 23 IXU Indicators Before Setting the IDB Parameters
DC power on On
(1)
IXU temp. Off
Transmission OK On/Off
(2)
(1) Depending on power system configuration.
(2) Status, depending on transmission configuration.
Note: In cold conditions, the RBS may need up to 60 minutes to warm up,
during which time the IXU or RRU temperature indicator is on. The
internal heater works only with an AC power supply.
3. If the Operational indicator on the RRU and/or IXU is flashing, SW is being
downloaded. Wait until the indicator switches off 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).
P010581A
Test
FAN UNT-01
Fault
Opera-
tional
Figure 48 Location of Fan Unit Test Button
1. Remove the fan unit cover.
2. Press the Test button on the fan unit.
The fan unit performs a self test.
3. Check that the sequence below is carried out:
• The fans run at maximum speed for approximately 5 seconds
• The fans run at nominal speed for approximately 5 seconds
• The fans stop for approximately 5 seconds
4. Ensure that the indicator status of the fan unit is in accordance with the
table below:
105EN/LZT 720 0090 Uen R1A 2004-09-17