Filter
Top Products
3-12
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-01
Chapter 3 Power Supply and Fan Module Installation
Finding the Power Supply Module Serial Number
Figure 3-13 DC Source A and Source B Connections with Common Ground
Step 4 Torque all terminal block screws to 11 lbf-in.
Step 5 Replace the terminal block safety cover.
Step 6 Move the DC power source circuit-breakers to the ON position.
Step 7 Confirm that the power-supply DC OK and PS OK LEDs are green. See Table 3-4 for a description of
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
Figure 3-14 to Figure 3-16 to find the serial number.
Figure 3-14 1100-W AC Power Supply Serial Number
253446
+
B-
B+
-
-
A+
A-
+
277563, 781-00669-01
SN: XXXNNNNXXXX
C
3
K
X
-
PWR
-
1
1
00WA
C