3-4
Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
OL-19593-03
Chapter 3 Power Supply and Fan Module Installation
Power Supply Module Overview
Figure 3-3
350-W AC Power Supply Module
Figure 3-4
440-W DC Power Supply Module
If no power supply is installed in a power supply slot, install a power supply slot cover (
Figure 3-5
).
1
350-W AC power supply module
4
AC power cord connector
2
AC OK LED
5
Release latch
3
PS OK LED
6
Power cord retainer
AC OK
C
3
KX-PW
R-
3
50WAC
P
S
OK
207488
1
6
2
3
4
5
1
440-W DC power supply module
6
Grounding terminal
2
DC OK LED
7
Release latch
3
PS OK LED
8
Extraction handle
4
Input power terminals (positive polarity)
9
Terminal block safety cover
5
Input power terminals (negative polarity)
DC OK
C
3
KX-PWR-440WDC
P
S
OK
253562
1
8
2
3
7
4
5
6
5
4
INPUT
-
3
6 TO -72V
/12A
OUTPUT
44W MAX
/22A
9