Cisco Systems Cisco ME 3400E manual Psu Ok

Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules

Product Overview

Figure 3-2 80-W DC-Power-Supply Module Handle Side

1

2 3

P	OK	+24V
			-48V

DC

280823

4

1	Power-supply module	3	DC-power-supply voltage switch
2	PSU OK LED	4	Extraction handle

Figure 3-3shows the DC-power-supply module PSU OK LED and the DC-voltage selector.

•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 DC-Voltage Selector

PSU OK	+24V	-48V
		280824

The PSU OK LED on the AC-power-supply module looks the same as the one in Figure 3-3.

The AC-power-supply module does not have a voltage selector.

Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide

OL-16447-01 3-3