Cisco Systems 159330 manual Install the Cabinet/Rack Ground, Install the System Shelf Ground, 2-10

Chapter 2 System Installation

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

Step 1 Loosen the cover from the rear of the system shelf by loosening the four screws (Figure 2-9).

Figure 2-9 Removing the System Shelf Rear Cover

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Step 2 Pull out from the bottom and lift up to remove.

Step 3 Locate the #10 studs at the rear of the system shelf (Figure 2-10).

Step 4 Using a UL-listed 6 AWG (16mm²) wire with an insulation rated to at least 75°C, connect the shelf to 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 2-10).

Cisco AC/DC Power System User Guide, R1.0

2-10 May 2006