Lenovo 5457 Installation And Service Manual page 132

Fault (error)LED (yellow)
DC power LED (green)
AC Power LED (green)
Serial 1 (Com1)
Video
USB connectors
Figure 72. LEDs and connectors on the rear of the 4U server model with non-hot-swap power supplies (power supply
LEDs present)
AC Power LED (green)
DC power LED (green)
Fault (error)LED (yellow)
Serial (Com1)
Video
USB connectors
Figure 73. LEDs and connectors on the rear of the 5U server model with hot-swap power supplies
The following table describes the problems that are indicated by various combinations of the power-supply
LEDs and suggested actions to correct the detected problems.
Lenovo System x3100 M5 Installation and Service Guide
120
Power connector
Power connectors
Ethernet link status
LED
Ethernet
connector 1
Ethernet transmit/
receive activity
LED
Ethernet link status
LED
Ethernet
connector 2
Ethernet transmit/
receive activity
LED
Ethernet
connector 1
Ethernet
connector 2
Ethernet link
status LED
Ethernet transmit/
receive activity LED