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Chapter 1 Product Overview
Power Supplies
1-32
Catalyst 4500 Series Switches Installation Guide
78-14409-08
Figure 1-18 4200 W Dual Input AC Power Supply
Note The 4200 W AC power supply should not be used in mixed-voltage
configurations. All the inputs in a chassis must be the same voltage (110 or
220 V).
Figure 1-19 1400 W DC-Input Power Supply
100-120V-
12A
50/60Hz
Captive screws
AC input 2 receptacle
130106
AC input 1 receptacle
AC input 1 on switch
AC input 2 on switch
100-120V-
12A
50/60Hz
IN
PUT
1
O
K
INP
UT 2
O
K
P
OE EN
ABL
ED
4
6
0
0
A
C
V
O
U
T
P
{U
T
F
A
I
:
F
A
N
O
K
Captive screws
68112