3-4
Cisco ME 3400E Ethernet Access Switch Hardware Installation Guide
OL-16447-01
Chapter 3 Installing and Removing AC- and DC-Power-Supply Modules
Power-Supply Module Installation

Connector-Side Description

Figure 3-4 shows the connector side of the power-supply module, which connects to the switch rear
panel through its power-supply slot.
Figure 3-4 Power-Supply Module Connector Side
Power-Supply Module Installation
Tools and Equipment, page 3-5
Installation Guidelines, page 3-5
Installing an AC-Power-Supply Module, page 3-6
Installing a DC-Power-Supply Module, page 3-8
Table 3-2 PSU OK LED Descriptions
AC-Power-Supply Module
LED Description
Off No input power.
Green Operating normally. Input, 12-V output, and both fans OK.
Red Fault detected: 12-V output, fan failure, or input out of range.
DC-Power-Supply Module
LED Description
Off No input power.
Green Operating normally. Input, 12-V output, and both fans OK.
Red Fault detected: 12-V output, fan failure, or input out of range.
1Fans 2Connector pins
280829
1
2