Nortel Networks Circuit Card 311 - Manual (Page 501)

Physical description 501
The digital line card supports voice only or simultaneous voice and data
service over a single twisted pair of standard telephone wiring. When
a digital telephone is equipped with the data option, an asynchronous
ASCII terminal, or a PC acting as an asynchronous ASCII terminal, can be
connected to the system through the digital telephone.
The NT8D02 Digital Line Card provides 16 voice and 16 data communication
links.
The NT8D02 Digital Line Card supports voice only, or simultaneous voice
and data service over a single twisted pair of standard telephone wiring.
When a digital telephone is equipped with the data option, an asynchronous
ASCII terminal, or a PC acting as an asynchronous ASCII terminal, can be
connected to the system through the digital telephone.
The 32 port NT8D02 Digital Line Card is supported in the Media Gateway
and Media Gateway Expansion. It 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 48 port digital line card is not supported in any configuration.
Physical description
The Digital Line card circuitry is mounted on a 31.75 cm by 25.40 cm (12.5
in. by 10 in.) printed circuit board. The NT8D02 is a double-sided PCB,
whereas the NTDK16 is 4 layers, but standard thickness. Both cards
connect to the backplane through a 120-pin or 160-pin edge connector.
The faceplate of the NT8D02 Digital Line card is equipped with a red LED
that lights when the card is disabled. See
Figure 123 "Digital line card -
faceplate" (page 503) . When the card is installed, the LED remains lit for two
to five seconds as a self-test runs. If the self-test completes successfully,
the LED flashes three times and remains lit until the card is configured and
enabled in software, then the LED goes out. If the LED continually flashes
or remains weakly lit, replace the card.
Note: The NTDK16AA has one LED. This LED shows the status of
Card 4. The NTDK16BA has three LEDs. These LEDs show the status
of Cards 4, 5, and 6 configured on the NTDK16.
The digital line card circuitry is contained on a 320 mm (12.5 in.) by 254
mm (10 in.) printed circuit board (PCB). The NT8D02 is a double-sided
PCB, whereas the NTDK16 is 4 layers, but standard thickness. Both cards
connect to the backplane through a 120-pin or 160-pin edge connector.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.