
B-8 Courier I-modem Getting Started Guide
For Macintosh Computers
If you’re connecting your I-modem to a Macintosh computer, we
strongly recommend that you purchase a hardware handshaking
cable to get the most reliable performance.
Figure B.3 Macintosh Computer Cable Pinout
Mac
Pin
Mac Pin Description Mode
m 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
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