TransCore SmartPass AI1611, System Manual

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Appendix C
Wiring Tables
This Appendix provides tables showing the wiring connections used in
installing and testing SmartPass throughout the SmartPass
®
System
Guide.
Specifications
The following table shows the wiring connections used in installing and testing
SmartPass. For more information on testing SmartPass, refer to Chapter 3, “Quick
SmartPass Test.” For information on installing SmartPass, refer to Chapter 5,
“Installing SmartPass.”
Table C-1 Communications Interfaces and Conductors
Interface Number of Conductors
RS–232 3
RS–232 with RTS and CTS hardware
handshake signals 5
RS–422 4
Wiegand 3
Table C-2 RS–232 Interface Signal Wiring
Signal Wire Pair
From
SmartPass Wire Color
Used From Pair Connect Wire
to PC DB9
Pin Connect Wire
to PC DB25 Pin
Transmit from
SmartPass Red/black Black Pin 2 Pin 3
Receive from PC Red/black Red Pin 3 Pin 2
Logic ground Yellow/black Yellow or black Pin 5 Pin 7
Optional for hardware handshaking
Request to send Yellow/red Yellow Pin 4 Pin 4
Clear to send Yellow/red Red Pin 8 Pin 5
C-3