Carrier Access Access Navigator - Manual (Page 407)

Access Navigator - Release 1.8 August 2003 16-9
Maintenance Procedures
Replace Protected Controller Card
Replace Standby Controller
CAUTION! D O NOT REMOVE THE ACTIVE C ONTROLLER CARD .
1. Locate standby Controller card slot (see Figure 16-2).
Figure 16-2. Location of Controller Cards
2. Visually verify which Controller card (A or B) is active (see Figure 16-3). The LED indicators on
the active Controller should be as follows:
l Active CONTROLLER POWER indicator lights green.
l Active CONTROLLER ACTIVE/STANDBY indicator lights green.
.
Figure 16-3. Location of Front Panel Controller Status LEDs
Controller A Controller B
Controller ’A’ Indicators Controller ’B’ Indicators
Active
Controller
Power