Apple Xserve (Cluster Node) User Manual download pdf (Page 7)

Power button and light

Press to turn on the server.

Enclosure lock and lock status light

The lock secures the enclosure and drive modules in the server. It can be locked and

unlocked with the enclosure key supplied with the server.

When the enclosure lock is locked (the light is on), the server may not recognize

peripheral devices such as a keyboard, mouse, or storage device. Unlock the lock to use

those devices.

System identifier button and light

The system identiﬁer light turns on if a problem is detected. It also can be turned on

manually by pressing the button. This indicator is useful for locating a particular unit in a

rack with multiple servers. A duplicate system identiﬁer button and light are on the back

panel.

FireWire 400 port

Provides a FireWire 400 connection on the front of the server. There are also two FireWire

800 ports on the back panel. The enclosure lock must be unlocked for the server to

recognize some devices connected to this port. (See “FireWire Speciﬁcations” in

Appendix A of the

Xserve User’s Guide

for information about FireWire ports and

connectors.)

Built-in Ethernet link light

This light indicates an Ethernet link.

System activity lights

Two rows of eight lights indicate system activity. The rows of lights operate independently

to show each processor’s activity.

Drive module and lights

The drive module contains the server software and has lights showing operating status and

disk activity. You cannot install additional drive modules in this Xserve model.

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Apple Xserve (Cluster Node) User Manual Page 7