Circuit Card Replacement - Lucent Technologies DEFINITY AUDIX Installation And Upgrade

Upgrades to R3.2

Circuit Card Replacement

!
WARNING:
Static electricity can be destructive to system parts. Use an antistatic wrist
strap whenever removing or installing a DEFINITY AUDIX system. Also use
an antistatic mat when servicing the MFB and alarm circuit cards.
Use this procedure if either, or both, the TN566B MFB and the TN2169 Alarm
Board must be replaced.
Step 1: Shut down the system in a camp-on manner using the Reset System
Shutdown screen. The system will respond with information similar to the
following:
System name: audix
login:
INIT: New run level: 0
The system is coming down. Please wait.
System services are now being stopped.
System data saved during shutdown.
The system is down.
Transferring to Firmware.
.....
SHUTDOWN Pending, Code = F022
Software Maintenance Shutdown
SHUTDOWN Completed
Refer to Figure 7-1, Top View of DEFINITY AUDIX System; and to Figure 7-2, Side
View of DEFINITY AUDIX System; complete the steps below.
SLOTTED SCREW I2C BUS CABLE
Figure 7-1. Top View of DEFINITY AUDIX System
7-10
Issue 2 December 1996
GANG LATCHES
RETAINING PINS SLOTTED SCREWS
MOUNTING BRACKET SPRING CLIP