Specifications

Appendix C: Wiring Diagrams and Pin Assignments 87
Connector Pin Assignments
Connector Pin Assignments
Mac Serial
Port
Pin # Name Description Mac Connection
1
NC No connection Pin 2 (HSKiB)
2
RTS_IN Request To Send (input to USD) Pin 1 (HSKoB)
3
RX_OUT Transmitted data (output from USD) Pin 5 input (RXDB–)
4
GND Chassis ground Ground
5
TX_IN Received data (input to USD) Pin 3 output
(TXDB–)
6
GND Chassis ground Pin 8 input (RXDB+)
7
CTS_OUT Clear To Send (output from USD) Pin 7 input (GPiB)
8
NC No connection Pin 6 (TXDB+)
Shell
GND Chassis ground Ground
Bi-phase/Tach/GPI/Pilot Port (Accessory Port)
Pin # Name Description
1
GPOUT0 GPI TTL-level output 0
2
GPOUT1 GPI TTL-level output 1
3
GPOUT0_A GPI Relay 0, contact A
4
GPOUT0_B GPI Relay 0, contact B
5
GPOUT1_A GPI Relay 1, contact A
6
GPOUT1_B GPI Relay 1, contact B
7
GPOUT2_A GPI Relay 2, contact A