Rear View - IBM x3105 - System - 4347 Service Manual

(Optional) Diskette drive activity LED
CD or DVD drive activity LED

Rear view

The following illustration shows the connectors and LEDs on the rear of the server.
Power-cord connector
Power-supply error LED
Power supply voltage switch
Note: If this LED is off, it does not mean that there is no electrical power in
the server. The LED might be burned out. To remove all electrical
power from the server, you must disconnect the power cord from the
electrical outlet.
When this LED is lit, it indicates that the diskette drive is in use.
When this LED is lit, it indicates that the CD or DVD drive is in use.
Power-supply
voltage switch
Power cord connector
Power-supply error LED
Power-supply voltage switch
AC power LED
Video connector
Parallel connector
Serial connector
Ethernet link status LED
USB 4 connector
Ethernet
USB 3 connector
Ethernet activity LED
USB 2 connector
USB 1 connector
Connect the power cord to this connector.
When this amber LED is lit, it indicates that a power-supply error has
occurred.
Use this switch to change the system ac power-supply input voltage for
your geographic location. Set the input voltage to the correct level (115 volts
ac or 230 volts ac) based on your power requirements before you turn on
the server.
5
Chapter 1. Introduction