Installing A Dc-Power Supply; Preparing For Installation - Cisco Catalyst 2350 Installation Manual

Installing a DC-Power Supply

Installing a DC-Power Supply

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Warning An exposed wire lead from a DC-input power source can conduct harmful levels of electricity. Be sure
that no exposed portion of the DC-input power source wire extends from the terminal block plug.
Statement 122
Warning Before connecting or disconnecting ground or power wires to the chassis, ensure that power is
removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel
board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch
handle of the circuit breaker in the OFF position. Use a voltmeter to test for 0 (zero) voltage at the
power terminals on the chassis. Statement 196
Warning This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than: 15 A. Statement 1005
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Warning
Statement 1022
The grounding architecture of this product is DC-isolated (DC-I)
Note

Preparing for Installation

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Catalyst 2350 Switch Hardware Installation Guide
3-4
Preparing for Installation, page 3-4
Grounding the Switch, page 3-5
Installing the DC Power Supply in the Switch, page 3-6
Wiring the DC-Input Power Source, page 3-7
Ratcheting torque screwdriver with a number-2 and a number-1 Phillips head that exerts up to
15 pound-force inches (lbf-in) or 240 ounce-force inches (ozf-in) of pressure.
Panduit crimping tool with optional controlled-cycle mechanism (model CT-720, CT-920,
CT-920CH, CT-930, or CT-940CH).
Wire-stripping tools.
12-gauge copper ground wire (insulated or noninsulated) when using the single-ground connection.
6-gauge copper ground wire (insulated or noninsulated) when using the dual-ground connection.
Ground lug screw and lug ring in the switch accessory kit. For a dual-ground connection, also use
the dual-ground adaptor and dual-hole lug from the DC power supply accessory kit.
Four leads of 16-gauge copper wire.
Four round eyelet terminals or four fork-type terminals from the DC power supply accessory kit.
Chapter 3 Power Supply and Fan Module Installation
OL18479-01