Installing A Dc Power Supply; Equipment That You Need - Cisco WS-C3560X-48PF-L Hardware 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: 20 A. Statement 1005
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Warning
Statement 1022
Hazardous voltage or energy may be present on DC power terminals. Always replace cover when
Warning
terminals are not in service. Be sure uninsulated conductors are not accessible when cover is in
place. Statement 1075
The grounding architecture of this product is DC-isolated (DC-I)
Note

Equipment That You Need

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Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
3-8
Equipment That You Need, page 3-8
Grounding the Switch, page 3-9
Installing the DC Power Supply in the Switch, page 3-11
Wiring the DC Input Power Source, page 3-11
Ratcheting torque screwdriver with a number-2 Phillips head that exerts up to 15 pound-force inches
(lbf-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 not) for the single-ground connection.
8-gauge copper ground wire (insulated or not) for the dual-ground connection.
Chapter 3 Power Supply and Fan Module Installation
OL-19593-02