CAUTION
•
Install or remove modules from the shelf only when the power is off.
If you install a module in the shelf with the power on, the internal
circuitry may suffer damage and the product warranty will be void.
•
Remove and install circuit boards only in a static-safe environment
(use antistatic wrist straps, smocks, footwear, etc.).
•
Keep circuit boards in their antistatic bags when they are not in use.
•
Do not ship or store circuit boards near strong electrostatic, electromag-
netic, magnetic, or radioactive fields.
•
For more complete information on electrostatic discharge safety
precautions, refer to Bellcore
TM
Technical Reference # TR-NWT-000870.
Copyright 1998 by Dantel, Inc. • Dantel is a registered trademark of Dantel, Inc. • ISO 9001 Registered
Printed in the U.S.A.
I
NSTALLATION
& O
PERATION
M
ANUAL
46210/46220-0998 <90-00036>
46210
A
LARM
B
LOCK
46220
A
LARM
AND
C
ONTROL
B
LOCK
About this Practice:
This practice has been reissued to:
• Correct the table on page 17.
• Update the Power Supply/CPU
Board Subassembly instructions in
the
Subassembly Replacement
section.
• Update Fig. 26.
Issue date: September 1998
Reissued Practices:
Updated and
new content can be identified by a
banner in the right margin.
UPDATED
Table of Contents
Ordering Information ........................................................................... 2
General Description .............................................................................. 2
Subassembly Replacement ................................................................. 28
Technical Specifications ..................................................................... 65
462xx-xx REV ____
WARNING:
REMOVE fuse
before removing
or inserting module
Use wrist strap
ESD SENSITIVE DEVICE
POWER
ALARM
uP LED
MSTR
AUX
GREEN = RCV
RED = XMT
