Nortel Networks 1000M - Manual (Page 129)

Grounding instructions for cabinets and chassis 129
Table 20
Region-specific grounding wire requirements
Region Grounding wire requirements
Germany #8 AWG (10 mm 2 ) green/yellow wire
Other regions in
Europe not smaller than #6 AWG (16 mm 2 ) at any point
UK two green/yellow wires no thinner than 10 mm 2 (3/8 in.)
Grounding instructions for cabinets and chassis
Procedure 12 "Grounding the cabinets or chassis" (page 129) describes
how to ground Small System cabinets or chassis. Repeat the steps for
each cabinet or for each chassis and chassis expander pair installed in
the system.
Procedure 12
Grounding the cabinets or chassis
Step Action
1 Make sure that you disconnect the AC power cord from the power
outlet.
Note: For the Chassis system in an equipment rack/cabinet
configuration, equipment must be powered from the same
service panel.
DANGER
DANGER OF ELECTRIC SHOCK
Never connect power to a cabinet or chassis that is not
grounded correctly.
2 For a Cabinet system, if the cabinet is connected to a reserve power
supply unit (battery backup), make sure that the circuit breaker on
that unit is set to OFF.
DANGER
DANGER OF ELECTRIC SHOCK
Never connect backup power to a cabinet that is not
grounded correctly.
3 Install an NTBK80 grounding block near the cabinet or chassis.
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
.