Cisco ME 3400E Hardware Installation Manual page 53

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules
Figure 3-2
1 Power-supply module
2 PSU OK LED
Figure 3-3
For telecom applications (–36 to –72 VDC), set the DC-voltage selector to –48 VDC.
•
For industrial applications (+18 to +36 VDC), set the DC-voltage selector to +24 VDC.
•
Figure 3-3
The PSU OK LED on the AC-power-supply module looks the same as the one in
The AC-power-supply module does not have a voltage selector.
OL-16447-01
80-W DC-Power-Supply Module Handle Side
2 3
P S U O K
+2 4V -4 8V
D C
4
3
4
shows the DC-power-supply module PSU OK LED and the DC-voltage selector.
DC-Voltage Selector
P S U O K
+ 2 4 V - 4 8
1
DC-power-supply voltage switch
Extraction handle
V
Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide
Product Overview
Figure 3-3.
3-3