TransCore 05531 User Manual

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Encompass 4/4800 Multiprotocol Reader System Guide
C-6
232 assignments for alternate wire (15-pair) cable.
RS
422 Interface
422 assignments for colored-wire pair (13-pair) cable. 
Table C-3  RS
232 Interface Signal Wiring for Alternate Wire Cable
Signal from 
Encompass 4/4800 
Multiprotocol Reader 
Alternate Wire Cable
Connect 
Wire to 
Host DB9 
Pin
Connect 
Wire to 
Host DB25 
Pin
Pairing
Color
TxD — Encompass
4/4800 Multiprotocol 
Reader output
Pair 1
Black
Pin 2
Pin 3 
RxD — Encompass
4/4800 Multiprotocol 
Reader input
Red
Pin 3
Pin 2
Signal ground
Pair 5
Black or 
Red
Pin 5
Pin 7
Optional for hardware handshaking
RTS — Encompass
4/4800 Multiprotocol 
Reader output
Pair 11
Black
Pin 8
Pin 5
CTS — Encompass
4/4800 Multiprotocol 
Reader input
Red
Pin 7
Pin 4
Table C-4  RS
422 Interface Signal Wiring for Colored-Wire Pair Cable
Signal from Encompass
4/4800 Multiprotocol Reader 
Colored-Wire Pair Cable
Connect to 
Signal from 
Host
Wire Pair 
from 
Encompass 
4/4800 
Multiprotocol 
Reader 
Color Used
RS
422 Transmit positive
Yellow/Red
Yellow
Receive (+)
RS
422 Transmit negative
Red
Receive (–)
RS
422 Receive positive
Red/Black
Black
Transmit (+)
RS
422 Receive negative
Red
Transmit (–)