Install The Cabinet/Rack Ground; Install The System Shelf Ground; Figure - Cisco 124792 User Manual

2.2.3 Install the Ground Cable

2.2.3.1 Install the Cabinet/Rack Ground

The equipment rack should be bonded to the building principal ground busbar. Refer to the NEC, CEC,
ANSI T1-333, ETSI 300-386-TC, and local codes for guidelines on bonding telecom DC power
equipment to the building ground.

2.2.3.2 Install the System Shelf Ground

Loosen the cover from the rear of the system shelf by loosening the four screws
Step 1

Figure 2-9

Pull out from the bottom and lift up to remove.
Step 2
Locate the #10 studs at the rear of the system shelf
Step 3
Using a UL-listed 6 AWG (16mm²) wire with an insulation rated to at least 75°C, connect the shelf to
Step 4
the appropriate cabinet connection point. The connection at the shelf end is made using a UL-listed
double-hole lug 1/4in and 5/8in. center-to-center (lug part # Panduit LCD6-14A-L or equivalent)
(Figure
Cisco AC/DC Power System User Guide, R1.0
2-10
Removing the System Shelf Rear Cover
2-10).
Chapter 2
(Figure 2-10).
System Installation
(Figure 2-9).
May 2006