Page 28 of 894 Overview
553-3001-211 Standard 2.00 September 2004
NT8D09 analog message waiting line card
The NT8D09 Analog Message Waiting Line card is an intelligent 16-channel
analog line card designed to be used with 2-wire terminal equipment such as
analog (500/2500-type) telephones, modems, and key systems. This card can
also provide a high-voltage, low-current signal on the Tip and Ring pair of
each line to light the message waiting lamp on phones equipped with that
feature.
Installation
This section provides a high-level description of how to install and test line
cards.
IPE line cards can be installed in any slot of the NT8D37 IPE module.
Figure 1 shows where an IPE line card can be installed in an NT8D37 IPE
module.
Figure 1
IPE line cards shown installed in an NT8D37 IPE module
Intelligent
Peripheral Equipment
Superloop
Shelf
IPEPE Module
PE Pwr Sup Rng Gen
Intelligent line cards
Intelligent trunk cards
BRSC
Intelligent line cards
Intelligent trunk cards
BRSC
NT8D01 Controller Card
553-3092
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