Apple Xserve (Early 2009) - Manual (Page 22)

Indicator light Color Indicates
Power supply (rear panel, on
power supply) Green AC power is available and the
supply is providing DC power
to the Xserve components.
The Xserve is turned on.
Green blinking AC power is available but
power to Xserve components
from this supply is on standby
(usually because the Xserve is
turned off).
Red No AC power is available to this
supply from the power cord, or
this power supply has failed.
The other power supply is
providing power for the Xserve.
Getting Detailed Hardware Information
You can view detailed Xserve hardware (and software) configuration information using
System Profiler.
To view system details from the Finder:
Choose Apple (
m ) > About This Mac and click More Info.
To view system details from the command line:
Open Terminal and enter the
m system_profiler command. For information about the
command and its options, enter man system_profiler .
Using the Serial Port
You can connect a management console or a computer running terminal emulation
software to the Xserve serial port, and then monitor the system using command-line
tools.
About Terminal Emulation Software
You can use the screen command in Terminal or a terminal emulation application
such as ZTerm running on another computer to communicate through the Xserve
serial port.
Configure the console or terminal emulation software to operate at:
57.6 KB/s using 8 data bits with no parity Â
22 Chapter 3 Monitoring the Xserve