Qpc580 Cpu Interface Card - Nortel Meridian 1 Replacement Manual

Hardware replacement
Table of Contents

Advertisement

QPC580 CPU Interface Card

Use this procedure to replace a CPU interface (IF) card.
See the X11 Administration (553-3001-311) for a description of all
maintenance commands, and the X11 System Messages Guide
(553-3001-411) for interpreting system messages.
Module covers are not hinged; do not let go of the cover. Lift the cover
away from the module and set it out of your work area.
At some point in this procedure the system may initialize, causing a
momentary interruption in call processing.
Removing equipment
1
Disable the interface card. This CPU must be inactive.
a
If you need to switch CPUs:
LD 35
SCPU
b
Set the NORM/MAINT switch to MAINT on the active interface
card. (This keeps the system from switching to the inactive CPU.)
c
Set the ENB/DIS switch to DIS on the inactive interface card (the
one you are replacing).
2
Disconnect the cable between the interface card and the QPC579 CPU
function card.
3
Unhook the locking devices on the card; pull it out of the card cage.
Replacing equipment
WARNING
CAUTION
Page 275 of 362
Hardware replacement

Advertisement

Table of Contents
loading

Table of Contents