The Serial Port
A-3
For Macintosh Computers
If you’re connecting the Courier to a Macintosh computer, we
strongly recommend that you purchase a Hardware Handshaking
cable to get the most reliable performance.
4
5
3
8
1
2
2
3
4
5
7
20
Macintosh
8-pin DIN
Connector
(Male)
DB-25 Connector (Male)
Mac
Pin
Mac Pin Description
Modem
Pin
Modem Pin Description
1
Output Handshake
4,20
Request to Send and Data
Terminal Ready
2
Input Handshake
5
Clear to Send
3
Transmit Data -
2
Transmit Data
4
Ground
7
Ground
4,8
Ground to Received Data
5
Received Data -
3
Received Data