User's Manual Part 3

RBS 2308 and RBS 2309 User’s Guide
Note: Do not under a
ny circumstances touch the RBS while a function change
is in progress, whi
ch is indicated by a double-flashing Operational
indicator.
10.4.2 Corrective Actions for t he IXU
Fault
If the red Fault indicator is on, IXU HW fault(s) are detected. Perform the
following actions step-by-step until the fault ceases:
• If a PSTU is used and the red Fault indicator on the PSTU is on, see the
PSTU Alarm OPI corresponding to the alarm that was issued from the
PSTU.
• Use the OMT to display fault information, see Section 10.3 Fault
Localization Using OMT on page 176. If the OMT cannot be connected,
then proceed with the steps below
• Ensure that the flash card has been properly inserted in the IXU
• Replace the IDB and software on the flash card, see Section 10.5.2
Replacing a Flash C ard on page 210
• Replace the flash card, see Section 10.5.2 Replacing a Flash Card on
page 210
• Replace the IXU, see Section 10.5.4 Replacing an IXU on page 219
Operational
If the green Operational indicator is double-flashing, software is being
downloaded. If the indicator is flashing, configuration is in progress, for
example, synchronization. A software download from the BSC can take 30 – 60
minutes and synchronization 5 – 10 minutes. Wait until all activity is finished,
that is, until the flashing stops.
Local
If the yellow Local indicator i s on and it is not possible to bring the IXU into
remote mode, either by using the OMT or by pressing the IXU Local/Remote
button, then perform the following actions step-by-step until the fault ceases:
• Reset the IXU
• Install a new IDB using the OMT, see chapter Site Installation Tests
• Replace the IXU. See Section 10.5.4 Replacing an IXU on page 219
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EN/LZT 720 0027 Uen R8A 2006-06-27