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23          <th colspan="3" align="center">LPRng Reference Manual: 5
24          Sep 2003 (For LPRng-3.8.22)</th>
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31          <td width="80%" align="center" valign="bottom">Chapter
32          12. Printcap Database</td>
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41    <div class="SECT1">
42      <h1 class="SECT1"><a name="SERIAL">12.10. Serial
43      Printer</a></h1>
44
45      <p>Options used:</p>
46
47      <ul>
48        <li>
49          <p><var class="LITERAL">br=</var><span class=
50          "emphasis"><i class="EMPHASIS">serial port bit
51          rate</i></span></p>
52        </li>
53
54        <li>
55          <p><var class="LITERAL">rw</var> FLAG <span class=
56          "emphasis"><i class="EMPHASIS">device opened
57          RW</i></span></p>
58        </li>
59
60        <li>
61          <p><var class="LITERAL">stty=</var><span class=
62          "emphasis"><i class="EMPHASIS">stty options for serial
63          port configuration</i></span></p>
64        </li>
65      </ul>
66      <br>
67      <br>
68
69      <p>The following is a typical printcap for a serial
70      printer:</p>
71
72      <div class="INFORMALEXAMPLE">
73        <a name="AEN5898"></a>
74<pre class="SCREEN">
75    # Local Serial ASCII printer
76    lp2
77      :lp=/dev/ttya
78      :rw
79      :cm=Serial printer
80      :sd=/var/spool/lpd/lp2
81      :stty=9600 -echo -crmod -raw -oddp -evenp pass8 cbreak ixon
82      :filter=/usr/local/sbin/lpf
83      :mx=0
84</pre>
85      </div>
86      <br>
87      <br>
88
89      <p>Let's examine the new options:</p>
90
91      <ol type="1">
92        <li>
93          <p>A serial port is usually <span class="emphasis"><i
94          class="EMPHASIS">bidirectional</i></span>, and printers
95          will report errors back to the host computer. The <var
96          class="LITERAL">rw</var> flag will cause the printer port
97          to be opened <var class="LITERAL">read-write</var>, and
98          the <b class="APPLICATION">lpd</b> server will report
99          status information.</p>
100        </li>
101
102        <li>
103          <p>The <var class="LITERAL">stty</var> option specifies
104          the <tt class="COMMAND">stty(1)</tt> flags and line speed
105          needed to configure the serial line (See <a href=
106          "secserial.htm">Serial Printers</a> for details).</p>
107        </li>
108
109        <li>
110          <p>The legacy <var class="LITERAL">br</var> (bit rate)
111          option can be used to specify the line speed as well.</p>
112        </li>
113      </ol>
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