Cisco CATALYST 4500 7 SLOT CHASSIS FAN NO POWER SUPPLY REDUNDANT SUPCAPABLE Техническое Руководство
Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
4-16
Catalyst 4500 Series Switches Installation Guide
78-14409-08
Installing a DC-Input Power Supply
This section describes how to install a DC-input power supply.
Required Tools
You will need the following tools to perform this procedure:
•
A Phillips screwdriver
•
A 10-mm wrench/socket
•
Connectors and wire for the DC circuit or circuits
Installation Procedure
Warning
Before performing any of the following procedures, ensure that power is
removed from the DC circuit. Statement 1003
removed from the DC circuit. Statement 1003
Warning
A readily accessible two-poled disconnect device must be incorporated in the
fixed wiring. Statement 1022
fixed wiring. Statement 1022
Warning
This product requires short-circuit (overcurrent) protection, to be provided as
part of the building installation. Install only in accordance with national and
local wiring regulations. Statement 1045
part of the building installation. Install only in accordance with national and
local wiring regulations. Statement 1045
Warning
Use copper conductors only. Statement 1025
Warning
When stranded wiring is required, use approved wiring terminations, such as
closed-loop or spade-type with upturned lugs. These terminations should be the
appropriate size for the wires and should clamp both the insulation and
conductor. Statement 1002
closed-loop or spade-type with upturned lugs. These terminations should be the
appropriate size for the wires and should clamp both the insulation and
conductor. Statement 1002