Connector Pin Assignments
Mac Serial Port Connector Pin Assignments
Mac Serial Port
Pin #
Name
1
NC
2
RTS_IN
3
RX_OUT
4
GND
5
TX_IN
6
GND
7
CTS_OUT
8
NC
Shell
GND
Description
No connection
Request To Send (input to SYNC peripheral)
Transmitted data (output from SYNC peripheral)
Chassis ground
Received data (input to SYNC peripheral)
Chassis ground
Clear To Send (output from SYNC peripheral)
No connection
Chassis ground
Appendix C: Wiring Diagrams and Pin Assignments
Mac Connection
Pin 2 (HSKiB)
Pin 1 (HSKoB)
Pin 5 input (RXDB–)
Ground
Pin 3 output (TXDB–)
Pin 8 input (RXDB+)
Pin 7 input (GPiB)
Pin 6 (TXDB+)
Ground
91