# Macintosh Modem (With DTR)

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

(at the Computer)
(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

Source:
comp.sys.mac.comm FAQ Part 1

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-08