ePanorama.net - Data communications
Apple Macintosh serial port connector pinout
From: [email protected] (Joonas Timo Taavetti Kekoni)
Subject: Re: m{kki
Newsgroups: tky.trinet
Date: 26 Apr 1996 14:07:09 GMT
Organization: TKK/TKY
Joonas Timo Taavetti Kekoni ([email protected]) wrote:
napattu comp.sys.mac.hardwaresta:
Macintosh (DTE) Modem (DCE)
DIN-8 DB-25
Pin Signal Signal Pin
3 TxD- --------------------------- TxD 2
4 GND ----+---------------------- GND 7
8 RxD+ ----'
5 RxD- --------------------------- RxD 3
6 TxD+ (nc)
/------###------\ 1 HSKo Output Handshake
/ ### \ (Zilog 8530 DTR pin)
/ \ 2 HSKi/CLK Input Handshake *OR*
/ [|] [|] [|] \ External Clock
/ 8 7 6 \ 3 TxD- Transmit data (-)
| |
| | 4 Ground Signal ground
| === === === |
| 5 4 3 | 5 RxD- Receive data (-)
| |
| | 6 TxD+ Transmit data (+)
\----+ === === +----/
\###| 2 1 |###/ 7 N/C (no connection)
\##| |##/
\| |/ 8 RxD+ Receive data (+)
\------###------/
###