Installing Or Replacing An Ac Power Supply - Cisco Catalyst 3650 Hardware Installation Manual

Installing or Replacing an AC Power Supply

Blank faceplates and cover panels serve three important functions: they prevent exposure to
Warning
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
Do not reach into a vacant slot or chassis while you install or remove a module. Exposed circuitry
Warning
could constitute an energy hazard. Statement 206
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
Statement 1030
Installing or Replacing an AC Power Supply
Turn off the power at its source.
Step 1
Remove the power cord from the power cord retainer.
Step 2
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
Do not leave the power supply slot open for more than 90 seconds while the switch is operating.
Caution
Warning This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit. Statement 1028
Insert the new power supply into the power supply slot, and gently push it into the slot
Step 5
When correctly inserted, the 250-W, 640-W and 715-W power supply modules (excluding the power
cord retainer) are flush with the switch rear panel. The 1025-W and 1100-W power supply modules
extend 1.5 inches from the switch rear panel.
Catalyst 3650 Switch Hardware Installation Guide
3-8
(Figure 3-9).
Chapter 3 Power Supply Installation
(Figure 3-9).
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