Apple Xserve (Early 2008) - Manual (Page 19)

Chapter 3 Monitoring the Xserve 19
Drive Module Status
Ethernet Link Status
Indicator light Color Indicates
Drive module status
(upper LED) Green The drive is on and working.
Yellow The drive is working but has detected a warning
condition.
Red The drive has failed.
Drive module activity
(lower LED) Off The Xserve is currently not reading from or writing to
the drive.
Blue intermittent The Xserve is reading from or writing to the drive.
Don’t remove the drive if this light is flashing. For
information, see the section about replacing a drive
module in the Xserve Setup Guide that comes with
the Xserve.
Drive module activity light (blue)
Drive module status light (green)
Indicator light Color Indicates
Ethernet link status
(front panel) Green The cable is connected and the link is good (the
Xserve can send and receive). The lower light is for
port 1, the upper for port 2.
Ethernet link status
(on rear connector) Green The link is good (the Xserve can send and receive).
Ethernet activity
(on rear connector) Blue intermittent The link is active. The light is on while data is being
transferred.
Port 1 status light
(green)
Port 1 activity light
(blue)
Port 2 status light
(green)
Port 2 activity light
(blue)
Ethernet link light (Port 2) Ethernet link light (Port 1)