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Macintosh Modem (With DTR)

This cable should be used for DTE to DCE (for instance computer to modem) connections with DTR.

8 PIN MINI-DIN MALE (at the Computer)
25 PIN D-SUB MALE (to the Modem).

8 PIN MINI-DIN MALE to the Computer.
25 PIN D-SUB MALE to the Modem

Mac Dir Modem
HSKo 1 --> 4+20 RTS+DTR
HSKi 2 <-- 5 CTS
TxD- 3 --> 2 TxD
RxD- 5 <-- 3 RxD
GND+RxD+ 4+8 - 7 GND
GPi 7 <-- 8 DCD
Contributor: Joakim Ögren, Pierre Olivier, Andrea Cecotti
Source: comp.sys.mac.comm FAQ Part 1

Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-13