<HTML> <HEAD> <TITLE>AT&T Paradyne DataPort</TITLE> <BODY> <BASEFONT SIZE=4> <B><FONT SIZE=+3>A</FONT><FONT SIZE=+1>T&T</FONT> <FONT SIZE=+2>P</FONT>ARADYNE <FONT SIZE=+2>D</FONT>ATAPORT</B> <BASEFONT SIZE=3> <UL> <HR WIDTH=65% ALIGN=left SIZE=4> <B>Manufacturer</B>: AT&T Paradyne<BR> <B>Model</B>: 3710-Ax (<I>aka</I> DataPort)<BR> <B>Latest Firmware Revision Tried</B>: 1.76.00<BR> <B>Recommended Firmware Revisions</B>: 1.76.00<BR> <B>Last Updated</B>: Date: 1998/10/12 20:47:51 $<BR> <HR WIDTH=65% ALIGN=left SIZE=4> </UL> <DL COMPACT> <DT><IMG SRC="../icons/info_icon.gif" ALT="o"> <DD>There is an <A HREF="http://www.whnet.com/wolfgang/att.html">FAQ specifically for AT&T modems</A>. <DT><IMG SRC="../icons/smiley.gif" ALT="o"> <DD>This modem is recommended for use with HylaFAX <EM>only when used in Class 1</EM>. </DL> <HR WIDTH=65% ALIGN=right> <B><A NAME="Class1"><FONT SIZE=+2>C</FONT>LASS 1 <FONT SIZE=+1>S</FONT>UPPORT</A></B> <UL> <LI>received HDLC frames do <EM>not</EM> include the FCS bytes (<I>revs prior to 1.33</I>) <LI>carrier is sometimes dropped w/o notice during receive (<I>rev 1.33</I>) <LI>the command "<TT>ATH+FCLASS=0;A</TT>" does not do the right thing because the command parser does not parse the "<TT>;A</TT>" <LI>the modem returns "<TT>OK</TT>" instead of "<TT>NO CARRIER</TT>" or "<TT>NO ANSWER</TT>" when a dial attempt times out before carrier is established </UL> <HR WIDTH=65% ALIGN=right> <B><A NAME="Class2"><FONT SIZE=+2>C</FONT>LASS 2 <FONT SIZE=+1>S</FONT>UPPORT</A></B> <UL> <LI>Result strings for <TT>AT+FDCC=?</TT> and <TT>AT+FDIS=?</TT> are semantically incorrect; ranges are returned as (a,b) instead of (a-b); e.g. (0,5) instead of (0-5) for signalling rate; this causes problems in deducing the true set of modem capabilities (<I>old firmware revs</I>) <LI>The modem sends the host ^S/^Q during page data transmission (<TT>AT+FDT</TT>) even when RTS/CTS flow control is enabled. <LI>Prior to rev 1.76 it was not possible to disable copy quality checking (<TT>AT+FCQ=0</TT> failed). <LI>There is no support for transmission of 2D-encoded data <LI>In certain revisions, the modem was observed to enter a state where it repeatedly sent EOP when commanded to send MPS (for <TT>AT+FET=0</TT>); power-cycling the modem cleared this condition <LI>In certain revisions prior to 1.76, when transmitting, the modem drops page data (due to improperly priming the datapump). <LI>The modem returns "<TT>OK</TT>" instead of "<TT>NO CARRIER</TT>" or "<TT>NO ANSWER</TT>" when a dial attempt times out before carrier is established <LI>In firmware revision 1.76, <TT>AT+FREV?</TT> can return gibberish that causes the fax software to be unable to initialize the modem; to workaround the problem set the <B>ModemRevQueryCmd</B> configuration parameter to <TT>"!C01.1.76"</TT> (so the command is not sent to the modem). </UL> <P> <A HREF="index.html"><IMG SRC="../icons/contents.gif" HEIGHT="20" WIDTH="20" ALT=" Back to Modem Index "> Modem Index</a> <A HREf="digicom-scout.html"><IMG SRC="../icons/next.gif" HEIGHT="20" WIDTH="20" ALT=" Next Modem in List "> Digicom Scout+</A> <HR> <ADDRESS> <A HREF="mailto:webmaster@hylafax.org">webmaster@hylafax.org</A>. Last updated $Date: 1999/12/03 00:10:33 $. </ADDRESS> </BODY> </HTML>
