INTRODUCTION
I-E96-419A
4 - 1
SECTION 4 - REPAIR/REPLACEMENT PROCEDURES
INTRODUCTION
This section explains the replacement procedures for the
translator (TTA) termination unit. Repair procedures are lim-
ited to fuse and termination unit replacement. If the TTA termi-
nation unit fails, remove and replace it with a known good unit.
FUSE REPLACEMENT
If the fuse opens, replace it with a fuse having an equivalent
rating. Table
describes the fuses and lists the Bailey part
numbers. To replace a fuse:
1. Turn off power to the cabinet.
2. Remove the blown fuse from its holder.
3. Replace the blown fuse.
4. Turn on power to the cabinet.
TERMINATION UNIT REPLACEMENT PROCEDURES
If a TTA termination unit is faulty, replace it with a new one.
Do
not
try to repair the unit; replacing components may affect the
CAUTION
It is strongly recommended that all power (cabinet, I/O, etc.) be
turned off before doing any termination unit wiring. Failure to
do so could result in equipment damage. Do not apply power
until all connections are verified.
ATTENTION
II est fortement recommand, que toutes les alimentations (arm-
oire, E/S, etc.) soient coupées avant d'effectuer quelque rac-
cord que ce soit sur un carte de raccordement. Un
manquement à ces instructions pourrait causer des dommage
à l'équipement. Ne pas rebrancher les alimentations avant
d'avoir vérifié tous les raccordements.
CAUTION
Remove modules from their assigned module mounting unit
slots before installing or removing a cable connected to that
slot. Failure to do so could result in damage to the module.
ATTENTION
Retirer le module de son emplacement dans le chassis de
montage des modules avant d'installer ou de retirer un cable
assigne a cet emplacement. Un manquement a cette procedure
pourrait endommager le module.
