TransCore 05531 Manual De Usuario

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Encompass 4/4800 Multiprotcol Reader System Guide
4-26
Connecting the Encompass 4/4800 Multiprotocol Reader Colored-Wire 
Pair Cable
232 colored wire assignments. 
To connect the colored-wire cable using 
RS
232 interface
1.
Connect the black wire (transmit data) from the red and black wire pair to pin 2 
of the DB9 connector or pin 3 of the DB25 connector. 
2.
Connect the red wire (receive data) from the red and black wire pair to pin 3 of 
the DB9 connector or pin 2 of the DB25 connector.
Table 4-7  RS
232 Interface Signal Wiring for Colored-Wire Pair Cable
Signal from 
Encompass 4/
4800 
Multiprotocol 
Reader
Colored-Wire Pair Cable
Connect 
Wire to 
Host DB9 
Pin
Connect 
Wire to 
Host DB25 
Pin
Wire Pair 
from 
Encompass 
4/4800 
Multiprotocol 
Reader
Color Used
TxD — 
Encompass 4/
4800 Multiprotocol 
Reader sense 
output, host sense 
input
Red/Black
Black
Pin 2
Pin 3 
RxD — 
Encompass 4/
4800 Multiprotocol 
Reader sense 
input, host sense 
output
Red
Pin 3
Pin 2 
Signal ground
Yellow/Black
Yellow or 
Black
Pin 5
Pin 7
Optional for hardware handshaking
RTS — 
Encompass 4/
4800 Multiprotocol 
Reader sense 
output, host sense 
input 
Yellow/Red
Yellow
Pin 8
Pin 5
CTS — 
Encompass 4/
4800 Multiprotocol 
Reader sense 
input, host sense 
output
Red
Pin 7
Pin 4