Nortel DMS-100 Series Maintenance Manual page 36

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Table of Contents

1-20 OPM maintenance summary

Figure 7 OPM main ground bar terminations

(NT8X01AA OPM-640/NT8X01BA OPM-256)

297-8361-550 Standard 04.02 December 2004

Mounting bolts (Cabinet

Electronic equipment (dc/logic ground)

OPM principal ground (Earth)

Incoming ac (Motor generator ground)

Protector block

Mounting bolt (Cabinet grounding)

Outside plant cable ground

(Operating company cable shield ground)

Troubleshooting