Cisco Systems 3650 manual Installing or Replacing an AC Power Supply

Chapter 3 Power Supply Installation

Installing or Replacing an AC Power Supply

Warning Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not operate the system unless all cards, faceplates, front covers, and rear covers are in place. Statement 1029

Warning Do not reach into a vacant slot or chassis while you install or remove a module. Exposed circuitry could constitute an energy hazard. Statement 206

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030

Installing or Replacing an AC Power Supply

Step 1 Turn off the power at its source.

Step 2 Remove the power cord from the power cord retainer.

Step 3 Remove the power cord from the power connector.

Step 4 Press the release latch at the right side of the power supply module inward and slide the power supply out (Figure 3-6).

Caution Do not leave the power-supply slot open for more than 90 seconds while the switch is operating.

Warning This unit might have more than one power supply connection. All connections must be removed to de-energize the unit. Statement 1028

Step 5 Insert the new power supply into the power-supply slot, and gently push it into the slot (Figure 3-6). When correctly inserted, the 250-W and 640-W power supplies (excluding the power cord retainer) are flush with the switch rear panel. The 1025-W power-supply module extends 1.5 inches from the switch rear panel.

Catalyst 3650 Switch Hardware Installation Guide

3-6 OL-29734-01