Specifications

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