Computer Hardware Installation Guide

Functional description 725

Figure 225

E and M Trunk card - block diagram

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Provides indication of card status from self-test diagnostics on faceplate

Light Emitting Diode (LED).

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Supports loopback of PCM signals to DS30X for diagnostic purposes.

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Card ID provided for auto conﬁguration and determining serial number

and ﬁrmware level of card.

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311 01.04 Standard

Release 5.0 23 May 2008