- Hewlett-Packard SAN Switch Installation Guide

10. Verify that the LED on the new power supply displays a steady green light while the
switch is operating (see Table 18 on page 93). If the LED is not green, make sure
that the power supply is firmly seated.
Fabric OS identifies the power supplies in a 4/64 SAN Switch from left to right as
PS2 and PS1, as shown in Figure 34 on page 102.
Replacing the 4/64 SAN Switch fan assembly
The4/64SANSwitchcontainsthreefanassemblies,asshowninFigure 35.FabricOS
identifies the fans from left to right as Fan 3, Fan 2, and Fan 1.
Scale: 1/8" = 1"
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Scale:
5/16" = 1"
25185a
1
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2 3
1. Nonport side of switch
2. Fan assembly 3
3. Fan assembly 2 4. Fan assembly 1
Figure 35 4/64 SAN Switch fan assemblies on the nonport side
SA N Switch installation guide
103