Printing over dialup modem

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From - Fri Mar 26 14:25:28 1999
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From: kbs=cusm@shady.com (Kevin Smith)
Newsgroups: comp.unix.sco.misc
Subject: Re: Remote UUCP Dialup printer problem with OS 5.0.5
Date: 26 Mar 1999 10:41:56 -0500
Organization: ShadeTree Software, Inc.
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Use the modem control device (tty1B5 most likely) and make sure you
have a cable that has at least DTR and CD wired through, and make
sure the modem is not setup to hold CD high and is also setup to
reset on loss of DTR.  Generally at&d3&c1 (or &d2&c1)

SCO will drop DTR at the end of the connection causing the modem
to reset. SCO will also detect loss of CD and abort the connection.

The lower case device names (tty1b5) are non modem control devices
which will prevent SCO from detecting carrier loss (DTR will still
go up and down).

Since you're not hanging up at the end of the call you probably are
ignoring DTR at the modem (&D0) or have it wired up from some other
signal line.

In article <7dfuga$p5g@newsops.execpc.com> "JiffyPoP" <rmckay@execpc.com> writes:
>Hello folks!
>
>I'm having a problem with a remote dialup uucp printer and offer this plea
>for help.  :)  I will describe my problems then will outline the current
>config.
>
>Problems:
>
>1) The print spooler will successfully dial and connect to the printer,
>deliver the print job and then spool the next job in the queue.  The problem
>here is that it never disconnects from the site once the first print job has
>been delivered.  To remedy this, I have added  +++\dATH to the
>/usr/lib/uucp/Dialers entry for the printer.  This really is not the best
>way to do this, but it works for now.  Any suggestions on a more graceful
>way to accomplish this?
>
>2) As stated before, the print jobs are delivered to the printer and the
>printer prints them.  The problem that is occurring with the print job
>itself is that when the job is "spooled" three pages of 3 lines of "X"s
>appear at the end of the job.  I know this happens through the spooler as a
>direct print to the device does not produce the Xs at all.  We use Equinox
>Super Serial boards and can watch and capture the data being sent and
>received on any serial port for the card.  I have this information and would
>be willing to email it to anyone that is interested.  While watching this
>device I did notice that if I issue "cat <somefile> | lp -dlp2" and watch
>the output, the Xs appear at the end of the job.  I issue "cat <somefile>
>>/dev/tty1b5" the print job works fine.  Any suggestions?
>
>Configuration:
>
>UNIX: SCO OS 5.0.5
>Printer: Tektronix 880 serial Impact Printer
>Printer type: uucp dialup
>Modems: QBlazer 33.6 each end
>Serial Interface: Equinox SST - 48 Ports of Serial Connections
>/usr/spool/lp/admins/lp/printers/lp2/configuration:
>                      Banners: off
>                      Content types: simple
>                      Dial: XXXXXXX
>                      Fault: beginning
>                      Interface: /usr/spool/lp/model/dumb
>                      Printer type: unknown
>                      Number of banners: 0
>/usr/lib/uucp/Dialers entry:
>
>                      printer    =, -,    "" +++\dATH\r\c OK\r
>AT&FQ0E0V1&D2&C0S0=0X4S2=043\r\c OK\r ATDT\T\r\c CONNECT
>                      &printer    =,-,    "" +++\dATH\r\c OK\r ATE0Q1H\r\c
>OK\r
>/usr/lib/uucp/Devices entry:
>
>                      ACU tty1b5 - 9600 printer
-- 
Do two rights make | Kevin Smith, ShadeTree Software, Philadelpha, PA, USA
a libertarian      | 001-215-487-3811  shady.com,kevin  bbs.cpcn.com,sysop

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