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Finding the Power Supply Module Serial Number
Figure 3-12
Figure 3-13
Torque all terminal block screws to 11 lbf-in.
Step 4
Replace the terminal block safety cover.
Step 5
Move the DC power source circuit-breakers to the ON position.
Step 6
Confirm that the power-supply DC OK and PS OK LEDs are green. See
Step 7
the module LEDs.
Finding the Power Supply Module Serial Number
If you contact Cisco Technical Assistance regarding a power supply module, you need to know the serial
number. See
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
3-12
DC Source A Isolated From Source B with No Common Ground
A+
A-
DC Source A and Source B Connections with Common Ground
A+
A-
Figure 3-14
to
Figure 3-16
Chapter 3
B-
B+
B-
B+
to find the serial number.
Power Supply and Fan Module Installation
Table 3-2
for a description of
OL-19593-03
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