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Serial Mini-DIN 8

This connector is not present on Macintosh 128K, 512K, and 512K enhanced computers. To connect DE-9 cables to the Mini DIN-8 port, use adapter cable 590-0341 (beige) or 590-0553/699-0430 (smoke).. a. On serial port A (modem), if the VIA1 SYNC signal is high, this input will be routed to the receive/transmit clock input of the SCC. This clock input supports high-speed synchronous devices. Pin 7 is not connected on the Macintosh Plus, LC, or IIsi.



8 pin Apple mini din connector at the end of the peripheral cable, from the front of the connector

PinSignalDescription
1HSKoHandshake out
2HSKiHandshake in/external clock
3TxD-Transmit data -
4GNDSignal ground
5RxD-Receive data -
6TxD+Transmit data +
7GPI/NCGeneral-purpose input or no connection
8RxD+Receive data +



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