Chapter 3 Power Supply Installation

Power Supply Module Installation

Ring terminal (such as Tyco part number 2-34158-1 for 1614 AWG or 2-34852-1 for 1210 AWG wire)

Spade terminal (such as Tyco part number 54367-2 for 1614 AWG wire)

Flanged spade terminal (such as Tyco part number 2-324165-1 for 1614 AWG wire or 1-324581-1 for 1210 AWG wire)

Note For IP-30 compliance:

Use the 16-14 AWG wire and appropriate terminals for the AC or high-voltage DC power supply

Use the12-10 AWG wire and appropriate terminals for the low-voltage DC power supply

Crimping tool (such as Thomas & Bett part number WT2000, ERG-2001)

6-gauge copper ground wire (such as Belden part number 9906)

12-AWG wire (minimum) for the low-voltage power supply module and 16-AWG (minimum) wire for the high-voltage power supply module

For power source connections, use wires rated for at least 194°F (90°C).

UL- and CSA-rated style 1007 or 1569 twisted-pair copper wire (such as Belden part number 9318)

Wire-stripping tools for stripping 6-, 10-, 12-, 14-, and 16-gauge wires.

Number-2 Phillips screwdriver

Flat-blade screwdriver

Grounding the Switch

Follow the grounding procedures at your site and observe these warnings:

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

Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046

Caution Follow the grounding procedure instructions, and use a UL-listed lug (included with the switch) for number-6 AWG wire and 10-32 ground-lug screws.

Note You can use the grounding lug to attach a wrist strap for ESD protection during servicing.

Cisco CGS 2520 Hardware Installation Guide

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Cisco Systems CGS252016S8PC manual Grounding the Switch