Wiring Tables
C-3
Appendix C
Wiring Tables
This appendix contains tables that show the wiring connections used to
test and install the Encompass
®
4 Reader.
Communications Interfaces
Table C-1 lists the interfaces available with the Encompass 4 Reader.
Table C-1 Communications Interfaces and Conductor Requirements
Interface
Number of
Condu
ctors
RS
–232 3
RS
–232 with RTS and CTS hardware handshake signals 5
RS
–422 4
Wiegand 3
Figure C-1 shows the pin assignments for the RS–232 interface signal to the host male
DB9 and DB25 connectors.
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