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- PinsDA v1.0 3/10/89
-
- This thing was thrown together by Jeff Baudin;
- who happens to work at:
-
- MICROMAT
-
- The Number One Source for
- Macintosh Components and Repair
-
- 7075 Redwood Blvd - Bay 4
- Novato, CA 94947
- (415)898-MACS
-
- DA by Bill Steinberg
- Connection research and list compilation by Wolf N. Paul
-
-
- **** APPLE PIN ASSIGNMENTS ****
-
-
- Pins not listed are not connected, unless otherwise noted.
-
- A. RS-232 Interfaces
-
- SUPER SERIAL CARD -- DB25
- 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 //C SERIAL PORTS (both) -- DIN 5-pin
- 1 Data Terminal Ready (DTR)
- 2 Transmit Data (TXD)
- 3 Signal Ground (GND)
- 4 Receive Data (RXD)
- 5 Data Set Ready (DSR)
-
- APPLE MODEM 300/1200 -- DB9
- 2 Data Set Ready (DSR)
- 3 Signal Ground (GND)
- 5 Receive Data (RXD)
- 6 Data Terminal Ready (DTR)
- 7 Data Carrier Detect (DCD)
- 8 Frame Ground
- 9 Transmit Data (TXD)
-
- APPLE PERSONAL MODEM -- Mini-DIN 8-pin
- 1 Data Set Ready (DSR)
- 2 Data Terminal Ready (DTR)
- 3 Receive Data (RXD)
- 4 Signal Ground (GND)
- 5 Transmit Data (TXD)
- 6 Signal Ground (GND)
- 7 Data Carrier Detect (DCD)
-
- LASERWRITER -- DB25
- (See RS-422 section below for LaserWriter DB-9 Connector)
- 1 Frame Ground
- 2 Transmit Data (TXD)
- 3 Receive Data (RXD)
- 4 Ready to Send (RTS)
- 7 Signal Ground (GND)
- 20 Data Terminal Ready (DTR)
-
- IMAGEWRITER I -- DB25
- (See RS-422 section below for ImageWriter II Connector)
- 1 Frame Ground
- 2 Transmit Data (TXD)
- 3 Receive Data (RXD)
- 4 Request to Send (RTS)
- 7 Signal Ground (GND)
- 14 Fault
- 20 Data Terminal Ready (DTR)
-
- APPLE SCRIBE PRINTER -- DB25
- 1 Frame Ground
- 2 Transmit Data (TXD)
- 3 Receive Data (RXD)
- 4 Request to Send (RTS)
- 7 Signal Ground (GND)
- 20 Data Terminal Ready (DTR)
-
- APPLE DAISYWHEEL PRINTER -- DB25
- 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
- 20 Data Terminal Ready (DTR)
-
- B. RS-422 INTERFACE
-
- MACINTOSH SERIAL PORTS -- DB9
- (Old Mac 128/512)
- 1 Frame Ground
- 2 +5V *See note below
- 3 Signal Ground (GND)
- 4 Transmit Data (TXD+)
- 5 Transmit Data (TXD-)
- 6 +12V *See note below
- 7 Handshake
- 8 Receive Data (RXD+)
- 9 Receive Data (RXD-)
- *Note: Apple Computer does not recommend
- using these voltages to power external devices.
-
- MACINTOSH PLUS SERIAL PORTS -- Mini DIN 8-pin
- 1 Handshake Output (HSKo +12V)
- 2 Handshake Input (HSKi)
- 3 Transmit Data (TXD-)
- 4 Frame Ground
- 5 Receive Data (RXD-)
- 6 Transmit Data (TXD+)
- 8 Receive Data (RXD+
-
- IMAGEWRITER II -- Mini DIN 8-pin
- 1 Data Terminal Ready (DTR)
- 2 Data Set Ready (DSR)
- 3 Transmit Data (TXD-)
- 4 Signal Ground (GND)
- 5 Receive Data (RXD-)
- 6 Transmit Data (TXD+)
- 8 Receive Data (RXD+)
-
- LASERWRITER -- DB9
- (See RS-232 section above for LaserWriter DB-25 Connector)
- 1 Ground (GND)
- 3 Ground (GND)
- 4 Transmit Data (TXD+)
- 5 Transmit Data (TXD-)
- 8 Receive Data (RXD+)
- 9 Receive Data (RXD-)
-
- C. SCSI INTERFACE
-
- MACINTOSH PLUS SCSI PORT -- DB25
- CAUTION: Do not confuse this connector with
- an RS-232 Interface connector!!
- 1 Request (REQ-)
- 2 Message (MSG-)
- 3 I/O-
- 4 Reset (RST-)
- 5 Acknowledge (ACK-)
- 6 Busy (BSY-)
- 7 Ground (GND)
- 8 Data Line 0 (DB0-)
- 9 Ground (GND)
- 10 Data Line 3 (DB3-)
- 11 Data Line 5 (DB5-)
- 12 Data Line 6 (DB6-)
- 13 Data Line 7 (DB7-)
- 14 Ground (GND)
- 15 Carrier Detect (C/D-)
- 16 Ground (GND)
- 17 Attention (ATN-)
- 18 Ground (GND)
- 19 Select (SEL-)
- 20 Parity (DBP-)
- 21 Data Line 1 (DB1-)
- 22 Data Line 2 (DB2-)
- 23 Data Line 4 (DB4-)
- 24 Ground (GND)
-
- Note: The SCSI port uses -5V logic levels.
- The minus sign in the signal names
- indicates negative signal voltage levels.
-
-
- **** APPLE CABLE GUIDE ****
-
- ABBREVIATIONS:
-
- SSC = Super Serial Card; 2CS = //c Serial Ports;
- IWR = Image Writer I; IWR2 = Image Writer II;
- LWR = Laser Writer; DWP = Apple Daisywheel Printer
- MDM = Modem 300/1200; PMDM = Personal Modem;
- MAC = Macintosh 128/512; MAC+ = Macintosh Plus
-
- In the following cable descriptions, which are identified
- as "Device 1 => Device 2", each group of two numbers indicates
- a pin on Device 1 and a pin on Device 2 which need to be connected. I.e., in "SSC => IWR", the notation
- "1-1" means "connect pin 1 on the SSC to pin 1 on the IWR".
-
- A. APPLE ][, ][+, //e CABLES
-
- 1. SSC => IWR (Apple Cable # 590-0037) (See note 1)
- (DB25 => DB25)
- 1-1, 13-13, 19-19, 23-23.
-
- 2. SSC => IWR2 (Apple Cable # 590-0335) (See note 1)
- (DB25 => Mini DIN 8-pin)
- 1-20, 2-8, 3-2, 4-7, 5-3, 8-7.
- Jumper pins 8 & 6 on DB-25 connector.
-
- 3. SSC => LWR (no Apple cable available) (See notes 1, 2)
- (DB25 => DB25)
- 1-1, 2-2, 3-3, 7-7.
-
- 4. SSC => DWP Identical to #1, SSC => IWR
-
- 5. SSC => MDM (Apple Cable # 590-0212) (See note 3)
- (DB25 => DB9)
- 6-2, 7-3, 3-5, 20-6, 8-7, 1-8, 2-9.
- Jumper pins 8 & 5 on DB-25 connector.
-
- 6. SSC => PMDM (Apple Cable # 590-0331) (See note 3)
- (DB25 => Mini DIN 8-pin)
- 8-1, 20-2, 3-3, 7-4, 2-5, 7-8.
- Jumper pins 8 & 6 on DB-25 connector.
-
- 7. SSC => MAC (Apple Cable # 590-0169) (See note 3)
- (DB25 => DB9)
- 1-1, 3-7, 5-3, 7-20, 9-2.
-
- B. APPLE //c CABLES
-
- 8. A2C => IWR (Apple Cable # 590-0191)
- (DIN 5-pin => DB25)
- 1-6, 2-3, 3-7, 4-2, 5-20.
-
- 9. A2C => IWR2 (Apple Cable # 590-0333)
- (DIN 5-pin => Mini DIN 8-pin)
- 1-1, 5-2, 2-3, 3-4, 4-5, 3-8.
-
- 10. A2C => DWP (Identical to #8, A2C => IWR)
-
- 11. A2C => MDM (Apple Cable # 590-0192)
- (DIN 5-pin => DB9)
- 1-6, 2-9, 3-3, 4-5, 5-2.
- Jumper pins 3 & 8 on DB-9 connector.
-
- 12. A2C => PMDM (Identical to #9, A2C => IWR2)
-
- C. MACINTOSH CABLES
-
- 13. MAC => IWR (Apple Cable # 590-0169)
- (DB9 => DB25)
- 1-1, 3-7, 5-3, 7-20, 9-2.
-
- 14. MAC => IWR2 (Apple Cable # 590-0332)
- (DB9 => Mini DIN 8-pin)
- 1-7, 2-6, 3-9, 4-1, 5-5, 6-8, 7-7, 8-4.
-
- 15. MAC => MDM (Apple Cable # 590-0197)
- (DB9 => DB9)
- 3-3, 5-9, 6-6, 7-7, 8-8, 9-5.
- Jumper pins 3 & 8 on both ends.
-
- 16. MAC => PMDM (Identical to # 14, MAC => IWR2)
-
- 17. MAC => Generic Modem (No Apple Cable available)
- (DB-9 => DB25)
- 1-1, 3-7, 5-2, 7-20, 9-3.
- Jumper pins 3 & 8 on DB-9 connector.
-
- D. MACINTOSH PLUS CABLES
-
- 18. MAC+ => IWR (No Apple Cable available)
- (Mini DIN 8-pin => DB25)
- 2-20, 3-3, 4-1, 5-2, 8-7.
-
- 19. MAC+ => IWR2 (Apple Cable # 590-0340)
- (Mini DIN 8-pin => Mini DIN 8-pin)
- 1-2, 2-1, 3-5, 4-4, 5-3, 6-8, 7-7, 8-6.
-
- 20. MAC+ => MDM (No Apple Cable available)
- (Mini DIN 8-pin => DB9)
- 1-6, 2-7, 3-9, 4-3&8, 5-5, 8-7.
-
- 21. MAC+ => PMDM (Identical to # 19, MAC+ => IWR2)
-
- 22. MAC+ => Generic Modem (No Apple Cable available)
- (Mini DIN 8-pin => DB25
- 1-20, 4-7, 3-2, 2-5, 5-3.
-
- E. SPECIAL
-
- 23. DB25 => DB25 Modem Eliminator Cable
- (Apple Cable # 590-0166)
-
- 1-1, 2-3, 3-2, 4&5-8, 6-20, 7-7, 8-4&5, 20-6.
-
- 24. Mini DIN 8-pin => DB-9 Adapter (Apple Cable # 590-0341)
- 1-6, 2-7, 3-5, 4-3, 5-9, 6-4, 8-8.
- Jumper pins 1 & 3 on DB-9 connector.
-
- NOTES:
-
- 1. The SSC must be in PRINTER mode: triangle on jumper
- block pointing towards TERMINAL, SW1-5 off, SW1-6 on.
-
- 2. Requires Xon/Xoff handshaking. SSC SW1-4,6,7 on;
- SW2-1,4 on.
-
- 3. The SSC must be in COMMUNICATIONS mode: triangle on jumper
- block pointing towards MODEM, SW1-5,6 on.
-
-
- **** CONNECTOR PIN NUMBERS ****
-
- The numbers shown are for male connectors,
- and are reversed (left to right) for female connectors.
-
- A. DB-25
-
- 1 2 3 4 5 6 7 8 9 10 11 12 13
- 14 15 16 17 18 19 20 21 22 23 24 25
-
- B. DB-9
-
- 1 2 3 4 5
- 6 7 8 9
-
- C. DIN 5-pin
-
- *
- 1 5
- 2 4
- 3
-
- ( * indicates the notch)
-
- D. Mini DIN 8-pin
-
- *
- 6 7 8
- 3 4 5
- * 1 2 *
-
- (* indicates the notches in the connector)
-
- WARNING: The above information is provided for your
- reference only, and no responsibility is assumed for its
- accuracy. You are encouraged to verify the Cable Listings
- by means of the Pin Assignment listings.
-
- SOURCE and further REFERENCE:
-
- This listing was inspired and greatly facilitated by an
- article in the June 1986 A+ magazine: The Right Connections,
- by Brian Cutter. You are encouraged to refer to the
- magazine article for a lot of helpful hints and additional
- information on connecting Apple Computers and peripherals.
-
- Most of the information included was obtained from
- AppleLink, Apple Computer's on-line service for dealers.
-
- Further Information can be found in the following books:
-
- Kim G. House & Jeff Marble, THE PRINTER CONNECTIONS BIBLE.
- (Howard E. Sams & Co. Inc., 4300 W. 62nd St.,
- Indianapolis, IN 46268)
-
- Carolyn Curtis & Daniel L. Majhor, THE MODEM
- CONNECTIONS BIBLE. (Howard E. Sams & Co. Inc.,
- 4300 W. 62nd St., Indianapolis, IN 46268)
-
- MICRO MATCH
- (Command Computer Corporation, 36 Columbia Terrace,
- Weehawken, NJ 07087)
-
- THE APPLE INTERFACE MANUAL
- (Apple Computer, Inc., 20525 Mariani Avenue,
- Cupertino, CA 95014)