serial line

from The Free On-line Dictionary of Computing (8 July 2008)

serial line

   <communications> Wires which connect two {serial ports}
   carrying serial data consisting of sequential bits represented
   by one of two voltages.

   A common electrical specification for the signals on a serial
   line is {RS-423}.

   (ftp://ftp.acorn.co.uk/pub/documents/appnotes/231-245/234.ps).

   (1995-02-02)