Chapter 1 Product Overview
Switch Components
1-16
Catalyst 4000 Series Switch Installation Guide
78-6120-10
Figure 1-6
400 W DC-Input Power Supply
Figure 1-7
650 W DC-Input Power Supply
Catalyst 4000 series switches
support redundant power supplies. Each power
supply has an individual power cord and status LEDs. The Catalyst 4003 switch
has one standard power supply and an optional redundant power supply. The
38133
DC power connection
Captive screws
48-60V~
11A
+
FASTNERS MUST BE FULLY ENGAGED
PRIOR TO OPERATING POWER SUPPLY
+
+
+
68609
DC power connection
Captive screws
-48 -60V
18A
GOOD
FAIL
FASTNERS MUST BE FULLY ENGAGED
PRIOR TO OPERATING POWER SUPPLY