User's Manual Part 3

RBS 2109 User’s Guide

Table 55 IXU Indicator Status When the RBS is in Operation

IXU temp. Off

Transmission OK On

(2)

(1) Depending on power system configuration.

(2) A, B, C and/or D, depending on transmission configuration.

If the indicators indicate a fault, see the applicable Section below.

9.4.1 Corrective Actions for the IXU

Fault

If the fault indicator is ON (red), IXU HW fault(s) are detected. Perform the

following actions step-by-step until the fault ceases:

• Use the OMT to display fault information, see Section 9.3 Fault Localisation

Using OMT on page 158. 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 SW on the flash card, see Section 9.5.1 Flash Card

Replacement on page 187

• Replace the flash card, see Section 9.5.1 Flash Card Replacement on

page 187

• Replace the IXU, see Section 9.5.3 IXU Replacement on page 195

Operational

If the Operational indicator is flashing (green) then configuration activity, initiated

from the BSC, is in progress. Example: SW download or synchronisation is

in progress. A SW download from the BSC can take 30 – 60 minutes, and

synchronization 5 – 10 minutes.

• Wait until activity is finished, that is until the flashing stops

Local

If the Local indicator is ON (yellow) 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 a OMT, see chapter Site Installation Tests

• Replace the IXU. See Section 9.5.3 IXU Replacement on page 195

N/LZT 720 0090 Uen R1A 2004-09-17