Turning On The Server - IBM XSERIES 255 TYPE 8685 Hardware Maintenance Manual And Troubleshooting Manual

Ethernet activity LED: When this green LED is on, there is activity between the
server and the network. The Ethernet activity LED is located on the Ethernet
(RJ-45) connector on the rear of the server.
Ethernet link LED: When this green LED is on, there is an active connection on
the Ethernet port. The Ethernet link LED is located on the Ethernet (RJ-45)
connector on the rear of the server.
Hot-swap fan error LEDs: These LEDs provide status information about fans 7, 8,
and 9 (the bottom rear fans in the power-supply bays).
AC power LED: This green LED provides status information about the power
supply. During typical operation, both the ac and dc power LEDs are on.
DC power LED: This green LED provides status information about the power
supply. During typical operation, both the ac and dc power LEDs are on.

Turning on the server

Statement 13:
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xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Ethernet activity
LED
AC power LED Hot-swap fan error LED
DC power LED
Ethernet link
LED