MiniUnix/usr/man/man4/dc.4

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including files from this version of Unix. 
.th DC IV 5/27/74
.sh NAME
dc \*- DC-11 communications interface
.sh DESCRIPTION
The discussion of typewriter I/O given in
tty (IV) applies to these devices.
.s3
The DC-11 typewriter interface operates at any of four speeds,
independently settable for input and output.
The speed is selected by the same encoding used by the DH (IV)
device (enumerated in stty (II));
impossible speed changes are ignored.
.sh FILES
/dev/tty[01234567abcd]   113B Dataphones
(not currently connected\*- see dh (IV))
.sh "SEE ALSO"
tty (IV), stty (II), dh (IV)
.sh BUGS