Rear view
The following illustrations respectively show the controls, LEDs and connectors on
the rear of the 4U and 5U server models.
Power connector
Serial 1 (Com1)
USB connectors
Ethernet
connector 1
Video
Ethernet transmit/
receive activity
LED
Ethernet link status
LED
Power switch
Ethernet
connector 2
Ethernet transmit/
receive activity
LED
Ethernet link status
LED
Figure 9. Rear view of 4U server model with non-hot-swap power supplies (no power supply
LEDs present)
Power connector
Serial 1 (Com1)
USB connectors
Ethernet
connector 1
Video
Ethernet transmit/
receive activity
LED
Ethernet link status
LED
Ethernet
connector 2
Ethernet transmit/
receive activity
LED
Ethernet link status
LED
AC Power LED (green)
DC power LED (green)
Fault (error)LED (yellow)
Figure 10. Rear view of 4U server model with non-hot-swap power supplies (power supply
LEDs present)
Chapter 1. The IBM System x3100 M5 Type 5457 server 23