Cisco 159330 User's Guide download pdf (Page 37)

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

May 2006

Chapter 2 System Installation

2.2.3 Install the Ground Cable

Figure 2-8 Installing 1 RU DC Cabling

2.2.3 Install the Ground Cable

Warning

This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the

absence of a suitably installed ground conductor. Contact the appropriate electrical inspection

authority or an electrician if you are uncertain that suitable grounding is available.

Statement 1024

The equipment rack/cabinet, system, and optional distribution shelf need to be properly grounded to

ensure the safe and efficient operation of the Cisco AC/DC Power System. Refer to NEC, CEC, ANSI

T1-333, ETSI 300-386-TC, and local codes for guidelines on bonding telecom DC power equipment to

building ground.

The system shelf should be connected to the rack/cabinet frame by a UL-listed 6 AWG (16mm²) wire

with an insulation rating of at least 75° Celsius. Two #10 studs are provided at the rear of the shelf. 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).

The optional 1 RU Distribution Shelf should be bonded to the frame by a UL-listed 6 AWG (16mm²)

wire with an insulation rating of at least 75° Celsius. Two #10 studs are provided at the rear of the shelf

for this purpose. 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).

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Cisco 159330 User's Guide Page 37