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
05774-0598 <90-00122>
A18-05774-XX
VNET/O
RDER
W
IRE
I
NTERFACE
S
HELF
About this Practice:
This practice has been reissued to:
• This is a new document.
Issue date: May 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
Technical Specifications ..................................................................... 13
A11-44020-00 REV__
STR
OBE
CKT 2
O/1
CKT 2
O/1
A1
1-441
18-00
441
18-00
DISTRIBUTION
BRIDGE
LINE RCV
P
O
RT 1
P
O
RT 2
P
O
RT 3
P
O
RT 4
COMBINED
DIST
OUTPUT
P
O
RT 1
P
O
RT 2
P
O
RT 3
P
O
RT 4
LINE XMT
44118-00 REV__
44020-00
DTMF
DECODER
-10V
GND
-20V
INPUT
LEVEL
449018-00
CKT2
CKT 1
O/I
ST
A
TION
SELECT
OR
A11-44020-00REV__
44931-00
RELAY TIMER
A11-44931-00 REV__
TIMER A
RELAY A
TIMER B
RELAY B
449018-00
Rela
y C
Timer C
O/C
ST
A
TION
SELECT
OR
