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1.1       root        1: .\" Copyright (c) 1990 The Regents of the University of California.
                      2: .\" All rights reserved.
                      3: .\"
                      4: .\" This code is derived from software contributed to Berkeley by
                      5: .\" the Systems Programming Group of the University of Utah Computer
                      6: .\" Science Department.
                      7: .\"
                      8: .\" Redistribution and use in source and binary forms are permitted provided
                      9: .\" that: (1) source distributions retain this entire copyright notice and
                     10: .\" comment, and (2) distributions including binaries display the following
                     11: .\" acknowledgement:  ``This product includes software developed by the
                     12: .\" University of California, Berkeley and its contributors'' in the
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                     15: .\" Neither the name of the University nor the names of its contributors may
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                     17: .\" specific prior written permission.
                     18: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     19: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     20: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     21: .\"
                     22: .\"    @(#)dca.4       5.1 (Berkeley) 6/29/90
                     23: .\"
                     24: .TH DCA 4 "June 29, 1990"
                     25: .UC 7
                     26: .SH NAME
                     27: dca \- HP 98644A communications interface
                     28: .SH SYNOPSIS
                     29: .B "device             dca0    at scode9 flags 0x1"
                     30: .SH DESCRIPTION
                     31: The 98644A is a single port EIA RS-232C (CCITT V.28)
                     32: communications interface with a single character buffer.
                     33: Such an interface is built-in to all series 300 machines.
                     34: .PP
                     35: Each 98644A line behaves as described in
                     36: .IR tty (4).
                     37: Input and output for each line may set to one of following baud rates;
                     38: 50, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800,
                     39: 9600, 19200. See 
                     40: .IR tty (4)
                     41: for the encoding.
                     42: .PP
                     43: Flags should be set to 1 if the line should be treated as hard-wired
                     44: with carrier always present or 0 if modem control is desired.
                     45: .SH FILES
                     46: /dev/tty0
                     47: .SH "SEE ALSO"
                     48: tty(4)
                     49: .SH DIAGNOSTICS
                     50: \fBdca%d: silo overflow\fR.  The single-character input ``silo''
                     51: has overflowed and incoming data has been lost.
                     52: .SH BUGS
                     53: Data loss is possible on busy systems with baud rates greater than 300.
                     54: The
                     55: .I dca
                     56: has never been tested with modem control enabled or on anything but the
                     57: built-in interface.

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