63 lines
1.6 KiB
HTML
63 lines
1.6 KiB
HTML
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<!-- $NetBSD: driver24.html,v 1.1 1998/12/30 20:20:34 mcr Exp $ -->
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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML Strict//EN">
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<html><head><title>
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USNO Modem Time Service
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</title></head><body><h3>
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USNO Modem Time Service
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</h3><hr>
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<p><h4>Synopsis</h4>
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<p>Address: 127.127.24.<var>u</var>
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<br>Reference ID: USNO
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<br>Driver ID: USNO
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<br>Serial Port: <code>/dev/cua<var>u</var></code>; 1200 baud, 8-bits,
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no parity
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<br>Features: none
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<br>Requires: <code>/usr/include/sys/termios.h</code> header file with
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modem control
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<p><h4>Description</h4>
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<p>No information available.
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<p><h4>Monitor Data</h4>
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<p>When enabled by the <code>flag4</code> fudge flag, every received
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timecode is written as-is to the <code>clockstats</code> file.
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<p><h4>Fudge Factors</h4>
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<dl>
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<dt><code>time1 <i>time</i></code>
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<dd>Specifies the time offset calibration factor, in seconds and
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fraction, with default 0.0.
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<p><dt><code>time2 <i>time</i></code>
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<dd>Not used by this driver.
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<p><dt><code>stratum <i>number</i></code>
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<dd>Specifies the driver stratum, in decimal from 0 to 15, with default
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0.
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<p><dt><code>refid <i>string</i></code>
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<dd>Specifies the driver reference identifier, an ASCII string from one
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to four characters, with default <code>USNO</code>.
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<p><dt><code>flag1 0 | 1</code>
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<dd>Not used by this driver.
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<p><dt><code>flag2 0 | 1</code>
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<dd>Not used by this driver.
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<p><dt><code>flag3 0 | 1</code>
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<dd>Enable <code>ppsclock</code> line discipline/streams module if set.
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<p><dt><code>flag4 0 | 1</code>
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<dd>Enable <code>clockstats</code> recording if set.
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</dl>
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<hr><address>David L. Mills (mills@udel.edu)</address></body></html>
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