Nortel Networks 1000M - Manual (Page 131)

Grounding instructions for cabinets and chassis 131
Figure 55
Ground/Earth lug in the NTAK11 system cabinets
5 For the Chassis system:Install a #6 AWG (#40 Metric Wire Gauge)
ground wire from the ground lug on the back of the chassis to the
NTBK80 grounding block.
Consider each chassis and chassis expander pair as one ground.
Jumper the chassis expander ground to the chassis ground. See
Figure 56 "Grounding a chassis and chassis expander pair" (page
132)
.
Place a DO NOT DISCONNECT tag on the ground wire.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Installation and Commissioning
NN43011-310 01.04 Standard
Release 5.0 13 May 2008
Copyright © 2008, Nortel Networks
.