Installing A Dc Power Supply; Equipment That You Need - Cisco Catalyst 9300 Series Hardware Installation Manual

Installing a Power Supply

Installing a DC Power Supply

Warning
Warning
Warning
Warning
Warning
Note

Equipment That You Need

• Ratcheting torque screwdriver with a number-2 Phillips head that exerts up to 15 pound-force inches
• Panduit crimping tool with optional controlled-cycle mechanism (model CT-720, CT-920, CT-920CH,
• Wire-stripping tools.
• 12-gauge copper ground wire (insulated or not) for the single-hole ground connection.
• 8-gauge copper ground wire (insulated or not) for the dual-hole ground connection.
• Dual-hole ground lug and two screws (included in the DC power supply accessory kit) and single-hole
• Four leads of 14-gauge copper wire.
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
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
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. Statement 1022
Hazardous voltage or energy may be present on power terminals. Always replace cover when terminals are
not in service. Be sure uninsulated conductors are not accessible when cover is in place. Statement 1086
The grounding architecture of this product is DC-isolated (DC-I).
(lbf-in.) of pressure.
CT-930, or CT-940CH).
ground lug and screw (included in the switch accessory kit). The dual-hole lug is required for the grounding
of the switch in NEBS installations where the DC supply is the only NEBS compliant power supply
option.
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
Installing a DC Power Supply
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