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 70. LEDs and connectors on the rear of the 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 71. LEDs and connectors on the rear of the 4U server model with non-hot-swap power
supplies (power supply LEDs present)
130 System x3100 M5 Type 5457: Installation and Service Guide