Nortel Circuit Card 311 Reference page 120

120 NT1R20 Off-Premise Station Analog Line card
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Each unit is independently configured by software control in the Analog
(500/2500 type) Telephone Administration program LD 10.
You can install this card in any IPE slot.
The NT1R20 Off-Premise Station (OPS) Analog Line Card provides eight full
duplex analog telephone line interfaces. Each interface provides the external
line connection with secondary hazard and surge (lightning) protection.
Each line interface is independently configured by software control in the
Analog (500/2500-type) Telephone Administration program LD 10.
The NT1R20 card provides:
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The NT1R20 Off-Premise Station (OPS) Analog Line Card is an intelligent
peripheral equipment (IPE) device that can be installed in any IPE slot in
the main or expansion cabinets. The OPS analog line card connects eight
analog telephone lines to the Option 11C with secondary hazard and surge
protection.
Each unit is independently configured in software in the Single-line
Telephone Administration program (LD 10).
The NT1R20 Off-Premise Station (OPS) Analog Line Card provides eight
full-duplex analog telephone line interfaces to connect off-premise terminals
to the CS 1000 system. Each interface provides the external line connection
with secondary hazard and surge (lightning) protection.
A maximum of four analog line cards can be installed in each Media
Gateway and Media Gateway Expansion.
The NT1R20 OPS Analog Line Card can be installed in slots 1, 2, 3, and
4 of the Media Gateway and slots 7, 8, 9, and 10 of the Media Gateway
Expansion.
The NT1R20BA OPS Analog Line Card provides the following:
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Each unit is independently configured in software in the analog (500/2500
type) telephone Administration program LD 10.
Copyright © 2003-2008, Nortel Networks
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hookflash
battery reversal
line supervision
hookflash
battery reversal
line supervision
hookflash
battery reversal
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008