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Macintosh modem (With DTR) Cable Pinout - AllPinouts

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

8 pin mini-DIN male connector layout
8 pin mini-DIN male connector to the Computer


25 pin D-SUB male connector diagram
25 pin D-SUB male connector to the modem


Mac Dir Modem
HSKo 1 OUT 4+20 RTS+DTR
HSKi 2 IN 5 CTS
TxD- 3 OUT 2 TxD
RxD- 5 IN 3 RxD
GND+RxD+ 4+8 - 7 GND
GPi 7 IN 8 DCD


References



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