Nortel Networks NN43001-301 manual QPC757 faceplate

22ISDN Primary Rate Interface equipment overview

•RCV CLOCK

•XMIT CLOCK

•XMIT READY

•PRI READY

•DCH READY

PRI READY and DCH READY are handshake signals.

QPC757 faceplate

The QPC757 DCH, as shown in Figure 3 "QPC757 DCH faceplate layout" (page 23) has one LED to indicate an active or inactive state and two external connectors as follows:

•Port J1 is a standard asynchronous port in LD 48

Note: This connection does not support an Add-on Data Module (ADM) terminal.

•Port J2 is the D-Channel Interface port.

Note: A QPC757 vintage C is required if the ISL Revert to Conventional Signaling feature is configured. The QPC757 vintage D is recommended for combination ISL/PRI networks using NACD or Network Message Services and ISL networks using modems.

Nortel Communication Server 1000

ISDN Primary Rate Interface Installation and Commissioning

NN43001-301 02.03 Standard

Release 5.5 7 December 2007

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