User's Manual

Page 142 of 332 Chapter 11 – Installing the system ground
553-3021-209 Standard 3.00 April 2000
Figure 37
NTBK80 ground block
3 Consider each Main Chassis and Chassis Expander pair as one
ground. Jumper the Chassis Expander ground to the Main
Chassis ground. See Figure 38.
4 Install a #6 AWG (#40 Metric Wire Gauge) ground wire from the
ground lug on the back of the Main Chassis to the NTBK80
grounding block. See Figure 38.
Place a DO NOT DISCONNECT tag on the ground wire.
To ground lug in
chassis
To ground source