User's Manual Part 3

RBS 2109 User’s Guide

1. Start the OMT.

2. In the Maintenance menu, select Monitor.

3. Select External Alarms Status and click Start Monitor.

4. In the Available monitors box, select “MO fault maps” and click → to add

“RBS” in the Monitors to start box.

5. Check the Display Status window to see which external alarms are active.

6. Check that the external alarm are correcly defined in the IDB

7. When the faults are corrected, close the Display Status window.

AC Power On

If the AC power on indicator is OFF (green), and if AC Mains power should be

available, then perform the following actions step-by-step until the fault ceases

or until the IXU power is confirmed:

For more information about RBS AC mains voltage, see:

RBS 2308, RBS 2309, RBS 2109 and

EBB-06 Hardware Reference Manual

EN/LZT 720 0058

• Ensure that the RBS AC Mains power switch on the MBU is ON

• Open the MBU cover and use a multimeter to check that the power input is

either 100 V AC to 127 V AC, or 200 V AC to 250 V AC.

P010498A

Figure 84 Measuring Incoming AC Voltage

• Disconnect the power cable from the IXU and use a multimeter to check

that the power supply to the IXU, is either 100 V AC to 127 V AC, or 200 V

AC to 250 V AC, see table below

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