Rs–232 Interface - TransCore encompass 4 User Manual

RS 232
Interface
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Table C-2 shows the RS
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Table C-2 RS 232 Interface Signal Wiring for Colored-Wire Pair Cable
Signal from
Encompass
4 Reader
Encompass 4
TxD —
Encompass
4 Reader output
Red/Black
RxD —
Encompass
4 Reader input
Signal ground Yellow/Black
Optional for hardware handshaking
RTS —
Encompass
4 Reader output
Yellow/Red
CTS —
Encompass
4 Reader input
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Table C-3 shows the RS
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Table C-3 RS 232 Interface Signal Wiring for Alternate Wire Cable
Signal from
Encompass 4 Reader
TxD — Encompass
4 Reader output
RxD — Encompass
4 Reader input
Signal ground
232 assignments for colored-wire pair (13-pair) cable.
Colored-Wire Pair Cable
Wire Pair
from
Color Used
Reader
Black
Red
Yellow or
Black
Yellow
Red
232 assignments for alternate wire (15-pair) cable.
Alternate Wire Cable
Pairing Color
Black
Pair 1
Red
Pair 5 Black or
Red
Wiring Tables
Connect Connect
Wire to Wire to
Host DB9 Host DB25
Pin Pin
Pin 2 Pin 3
Pin 3 Pin 2
Pin 5 Pin 7
Pin 8 Pin 5
Pin 7 Pin 4
Connect Connect
Wire to Wire to
Host DB9 Host DB25
Pin Pin
Pin 2 Pin 3
Pin 3 Pin 2
Pin 5 Pin 7
C-5