
Apple II Computer Info
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### FILE : aeserialpro
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### Created : Sunday, January 14, 1996 Modified: Sunday, January 14, 1996
### File Type: "TEXT" File Creator: "LMAN"
### File Size: 2931 bytes 2 KB
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Path:
blue.weeg.uiowa.edu!news.uiowa.edu!uunet!usc!howland.reston.ans.net!agate!msuinfo!
kagunij.bch.msu.edu!user
Newsgroups: comp.sys.apple2
Subject: Re: AE Serial Pro
Date: Mon, 22 Aug 1994 01:57:55 -0600
Organization: Michigan State University, Dept. of Biochemistry
Lines: 58
NNTP-Posting-Host: kagunij.bch.msu.edu
> Could someone who has an Applied Engineering Serial Pro card please send me
> a list of the dip switch settings for the 2 banks of switches? Thanks in
> advance!
> ----
I use an AE Serial Pro in my //e to connect to my ImageWriter II. All of
the DIP switches are set to OPEN (switch down). The switch block next to
the printer interface connector is for hardware handshaking signals.
(Copied without any permission whatsoever from the AE Serial Pro User's
Manual.)
o Switch 1, when closed, select pin 4 (Request to send) as the flow
control handshaking line. Some printers which use this line are:
Data General TP2; Heath H-25; Olympia ESW102/103; QUME Sprint 5;
and Smith-Corona TP1
o Switch 2, when closed, selects pin 11 which is, according to RS-232-C
specifications, undefined and is used by some serial printers as a
printer-ready signal. Some Centronics, Texas Instruments, and Epson
serial printers may use this pin.
o Switch 3, when closed, selects pin 19 (Secondary Request to Send) as
the handshaking line. Some of the printers that use this pin are the
Anadex DP8000/9000, Bell TP-1000, Lear Seigler 310, NEC 3500/7700,
and Digital Equipment (DEC) LA-series serial printers.
o Switch 4, when closed, selects pin 20 (Data Terminal Ready) as not
only the device-available handshaking line but also as the data-flow-
control line. Some Diablo, C.Itoh, Okidata, QUME, Tectronics, or
Xerox printers may use this handshaking signal.
o When all of the switches are open, Data Terminal Ready (DB-25 pin
20) is the only line monitored as the hardware handshaking line
Apple II Computer Technical Information : Apple II Family Hardware Info
ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 24 of 572
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