Nortel Networks NN43001-301 manual QPC757 DCH, NT6D11 DCH faceplate layout

Models: NN43001-301

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QPC757 DCH 21

Figure 2

NT6D11 DCH faceplate layout

QPC757 DCH

Power requirements

The power requirements for the QPC757 DCH are:

+5 volts at 3 amperes

+12 volts at 50 milliamperes

–12 volts at 50 milliamperes

DCH/PRI interface

The QPC757 DCH connects to the QPC720 PRI via a RS-422 cable. The following signals are transmitted across the interface:

RCV DATA

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

Copyright © 2003-2007, Nortel Networks

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Nortel Networks NN43001-301 manual QPC757 DCH, NT6D11 DCH faceplate layout