LOM port

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The LOM port (Lights Out Management port) is a remote access facility. On a SUN server, when the main processor is switched off, or when one cannot telnet to the server, one would use a link to the LOM port to access the server. As long as the server has power, the LOM facility will work, regardless of whether or not the main processor is switched on.

To use the LOM port, connect a rollover cable to the LOM port, which is located at the back of the SUN server. Link this to a terminal or to a PC running a terminal emulator. Be sure to set the transmission rate at 9600 bits per second, and enable hardware error correction.

[edit] Useful commands

#        - Switch to the LOM prompt.
help     - View complete command listing.
break    - Exit the LOM prompt.
console  - Switch to the Solaris prompt.
powerof  - Switch off the main processor.
poweron  - Switch on the main processor.
reset    - Issue poweroff and poweron in succession.
shutdown - Shutdown the OS.