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A computer terminal that uses the serial ports as the physical link for input.

As old as External linkMethuselah but still useful for accessing remote computers (and that includes some access points - (minitar).

It's used when there is no need for a physical terminal (monitor and keyboard) or it would be impractical to have one and while it's a slow protocol, when compared to Ethernet, it's fast enough for typing and text display.
While Telnet or SSH are well suited to the task they require a working ethernet connection, a serial links offer redundancy as it uses the serial port (ttyS- or Com port) . For a computer/access point located in an inaccessable location (mounted on a mast or in a roof cavity) redundancy becomes especially important :-)

Under Linux, the kernel may be compiled to load a External linkserial as console on boot up. This allows the bootloader External linkGrub or Lilo to be accessed and the display of all the boot messages via the remote serial terminal.

Version 1 (current) modified Tue, 03 Jul 2007 23:12:20 +1000 by graybeard
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