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 1997 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
49013-1297 <90-00034>
49013
202 T
ONE
M
ODEM
S
UBASSEMBLY
About this Practice:
This practice has been reissued to:
• Incorporate the Checkout Proce-
dure into the
Installation section.
• Document change to B12 version.
• Add microcontroller to
Circuit
Description section.
• Update Figs. 1, 2, and
Technical
Specifications table.
Issue date: December 1997
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
Technical Specifications ....................................................................... 9
B12-49013-00
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RCV
XMT
XMT
LVL
TONE
MODEM
CD