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Diablo 1650's and XON/XOFF [message #79136] Sun, 02 June 2013 23:11 Go to next message
Anonymous
Karma:
Originally posted by: waters@viking.DEC (Lester Waters)
Message-ID: <3864@decwrl.UUCP>
Date: Mon, 8-Oct-84 11:17:31 EDT
Article-I.D.: decwrl.3864
Posted: Mon Oct  8 11:17:31 1984
Date-Received: Wed, 10-Oct-84 03:47:41 EDT
Sender: daemon@decwrl.UUCP
Organization: DEC Engineering Network
Lines: 13


   Once again, a plea for help!  I just purchased a Diablo 1650 printer/
terminal and I need help with the DIP switch settings found on the main
PC card in the printer -- not the operator DIP switches found at the front
of the printer. I need to enable XON/XOFF so that I can send data at higher
speeds than 300 bps. I would like to utilize the full printing potential
of this printer.  Perhaps someone out there in net land has one?!? If
you do and don't know what the switch settings MEAN, just send me YOUR
configuration of the switches. Also, any pointers to a manual for the
1650 would be greatly appreciated. (Is there a net.printer or an
INFO-PRINTERS)?

				- Lester -
Re: Diablo 1650's and XON/XOFF [message #79146 is a reply to message #79136] Sun, 02 June 2013 23:11 Go to previous message
Anonymous
Karma:
Originally posted by: uchuck@ecsvax.UUCP
Message-ID: <3358@ecsvax.UUCP>
Date: Tue, 9-Oct-84 15:58:26 EDT
Article-I.D.: ecsvax.3358
Posted: Tue Oct  9 15:58:26 1984
Date-Received: Thu, 11-Oct-84 05:58:05 EDT
Lines: 55

*** < Bug bits

The Operators Guide for the Diablo 1650 is #90405 and is probably available
from Xerox Corp. Additional manuals are as follows:
                    Product Description      #90412
                    Maintenance Manual       #90413
                    Parts Catalog            #90414
                    Printer Supplies Catalog #90007

The DIP switch settings an the HPR04 PC Board are as follows:
         The switch block is labeled as A25.

         #1 Enhanced 2741 - This switch is used in conjunction with the control
                            panel ANSI/2741 switch.  If the 2741 option is
                            installed, placing this switch on enhances the
                            normal IBM 2741 mode to include all ASCII mode
                            functions.
         #2 ETX/ACK Enable- This switch is used to aid operation with a high
                            speed host system. The host transmits data strings
                            faster than the 1650 can print, and the string is
                            stored in memory along with an ETX code near its
                            end.  The 1650, upon using up the stored data
                            encounters the ETX code and, if this switch is on
                            transmits an ACK code to the host as a signal to
                            send more data.
         #3 DC1/DC3 Enable- If this switch is on, the 1650 will transmit a DC3
            (XON/XOFF)      to the host system whenever the terminal is unable
                            to accept data input(memory full, cover open, paper
                            out, ribbon out, or printer in check).  The 1650
                            will then transmit a DC1 signal to the host system
                            once the problem has been cleared.  Upon receipt of
                            the DC1 signal, the host will resume transmitting
                            data.
         #4 Correspondence- This switch is also used in conjunction with the
                            control panel ANSI/2741 switch.  When the 1650 is
                            being operated in the 2741 mode, placing this
                            switch to on causes data communication to be
                            carried out using IBM Correspondence rather than
                            IBM PTTC?EBCD codes and protocol.
            #5 - #8 Ignored

To use #1 or #4 an additional board must be installed, I think it is called
the XMEM2 PC Board.  If you have that board installed the 1650 will do all
manner of interesting things, such as proportional spacing, auto center, and
other word processing goodies. The only DIP switch on that board is labeled
B12 and #1 - #3 are not used and #4 must be on when using the optional Auto
Front Feeder.

If I can be of any more help, let me know.  Also please let me know how it
works for you.  We are getting ready to use ours in a similar fashion.

               Chuck Bennett (mcnc!ecsvax!uchuck)
               Univ. of N. C.
               919-966-1134
p
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