Items required
Replacing a 4/32B SAN Switch Power Supply/Fan Assembly Unit takes approximately
two minutes, and requires the following items:
• 4/32B SAN Swi
tch
• New Power Supply/Fan Assembly Unit
• Phillips #1 screwdriver
Procedure
To replace an existing Power Supply/Fan Assembly Unit:
WARNING!
The 4/32B SAN Switch utilizes two power cords. Be aware that with the removal
of a single power cord and power supply/fan assembly unit, power is still present
in the switch.
1. If the switch is to continue o perating during the replacement, verify that the other
Power Supply/Fan Assembly Unit (the one not being replaced) has been powered
on for at least four seconds and has a green LED.
2. If the Power Supply/Fa n Assembly Unit you are re placing is not already off, press the
AC power switch to “O” to power it off. See Figure 38 for locating the power switch.
3. Lift the power cord retainer up to free the power cord for removal.
4. Unplug the power cord from the Power S upply/Fan A ssembly Unit that you are
replacing.
5. Unscrew the captive screw on the Power Supply/Fan Assembly Unit that you are
replacing.
6. Remove the Power Supply/Fan Assembly Unit from the chassis by pulling the power
cord retainer on the power supply/ fan assembly unit out, away from the chassis.
SAN Switch installation guide
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