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From: dmcclain@runet.edu (Dennis McClain-Furmanski)
Newsgroups: comp.sys.apple2
Subject: Re: Imagewriter II print head
Date: 6 Jun 1996 05:29:31 GMT
Organization: Radford University
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References: <4ocg07$5p5@fountain.mindlink.net> <4of3ie$91o@fountain.mindlink.net> <31AB2A02.42B3@s2.sonnet.com> <31B236EE.7FE3@pop3.concentric.net> <3JUN199619215055@vax2.concordia.ca>
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Mitchell Spector (spec@vax2.concordia.ca) wrote:
:
: Speaking of which, can someone post the correct pinouts for
: an interface cable? (Apple IIgs->ImageWriter I). I have one sitting
Here's something from my old Road Apple archives:
EIA Standard RS-232C
1 1 1 1 1 1 1 1
1 2 3 4 5 6 7 8 9 0 1 2 3 3 2 1 0 9 8 7 6 5 4 3 2 1
_____________________________ _____________________________
\ o o o o o o o o o o o o o / \ O O O O O O O O O O O O O /
\_o_o_o_o_o_o_o_o_o_o_o_o_/ \_O_O_O_O_O_O_O_O_O_O_O_O_/
1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1
4 5 6 7 8 9 0 1 2 3 4 5 5 4 3 2 1 0 9 8 7 6 5 4
Pin side Solder side
Male DB-25. Connector Male DB-25. Connector
Pin Signal Name * Pin Signal Name
1 Protective Ground * 14 Secondary Transmitted Data
2 Transmitted Data (TXD) * 15 Transmission Signal Element
3 Received Data (RXD) * Timing (DCE Source)
4 Request to Send (RTS) * 16 Secondary Received Data
5 Clear to Send (CTS) * 17 Receiver Signal Element Timing
6 Data Set Ready (DSR) * 18 Unassigned
7 Signal Ground (GND) * 19 Secondary Request to Send (SCTS)
8 Received Line Detector * 20 Data Terminal Ready (DTR)
9 Reserved for Data Testing * 21 Signal Quality Detector
10 Reserved for Data Testing * 22 Ring Detector
11 Unassigned * 23 Data Signal Rate Selector
12 Secondary Received Line * 24 Transmit Signal Element Timing
Signal Detector * 25 Unassigned
13 Secondary Clear to Send *
(SCTS) *
======================================================================
Apple II, II+, IIe With Super Serial Card and DB-25 Connector (female)
Connector on Super Serial Card Connector on cable to Printer
1 1 1 1 1 1 1 1
3 2 1 0 9 8 7 6 5 4 3 2 1 3 2 1 0 9 8 7 6 5 4 3 2 1
_____________________________ _____________________________
\ O O O O O O O O O O O O O / \ O O O O O O O O O O O O O /
\_O_O_O_O_O_O_O_O_O_O_O_O_/ \_O_O_O_O_O_O_O_O_O_O_O_O_/
2 2 2 2 2 2 1 1 1 1 1 1 2 2 2 2 2 2 1 1 1 1 1 1
5 4 3 2 1 0 9 8 7 6 5 4 5 4 3 2 1 0 9 8 7 6 5 4
Socket Pin side Solder side
Female DB-25. Connector Male DB-25. Connector
Pin Signal Name
1 Frame Ground
2 Transmit Data (TXD)
3 Receive Data (RXD)
4 Request to Send (RTS)
5 Clear to Send (CTS)
6 Data Set Ready (DSR)
7 Signal Ground (GND)
8 Data Carrier Detect (DCD)
19 Secondary Clear to Send (SCTS)
20 Data Terminal Ready (DTR)
======================================================================
Apple IIc with Din-5 Connector for Serial Printer/Modem Ports.(female)
Laser-128/128EX/128EX-2
Guide Notch Guide Notch
\ \
U U
* * * *
* * * *
O O O O
* 5 O O 1 * * 5 O O 1 *
4 O 2 4 O 2
* 3 * * 3 *
* *
Socket Pin Side Solder side
Female Din-5 Connector Male Din-5 Connector
On rear of Computer On Cable to Printer/Modem
Pin Signal Name, Same for both Printer/Modem Ports
1 Data Terminal Ready (DTR)
2 Transmit Data (TXD)
3 Ground (GND)
4 Receive Data (RXD)
5 Data Set Ready (DSR)
======================================================================
Apple IIgs Serial Printer/Modem Ports (Female)
Guide Notch Guide Notch
\ \
U U
* 8 7 6 * * 8 7 6 *
O O O O O O
* * * *
O O O O O O
* 5 4 3 * * 5 4 3 *
O O O O
* 2 1 * * 2 1 *
) * ( *
\Notch/. The notches are not seen from soldering side.
Socket Pin View Solder side
Female Mini Din-8 Connector Male Mini Din-8 Connector
On rear of Computer On Cable to Printer/Modem
Pin Signal Name, Same for both Printer/Modem Ports
1 Request to Send (RTS) Handshake Out
2 Clear to Send (CTS) Handshake in
3 Transmit Data- (TXD-) # -=[ Note ]=-
4 Signal Ground (GND) # TXD- and RXD-
5 Receive Data- (RXD-) # TXD+ and RXD+ (not normally used)
6 Transmit Data+ (TXD+) # May relate to the Laser Writer
7 Data Carrier Detect (DCD) # that uses the DB-9 Connector. I
8 Receive Data+ (RXD+) # need more input on this.
======================================================================