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XT-2 Reader Installation Manual & Data Sheet
Table 9 Full Duplex (4-wire) RS485 Serial Communication Interface, Group J41
Pin
1
2
3
4
5
Table 10 Half Duplex (2-wire) RS485 Serial Communication Interface, Group J41
Pin
1
2
3
4
5
5.2.6
RS232 Serial Communication Interface, Group J42
The controller board has one RS232 serial interface.
Table 11 RS232 serial communication interface, Group J42
Pin
1
2
3
5.2.7
Service Interface, Group J43
The service interface is used for maintenance and configuration of the reader. Do not
use the service interface as a regular system interface.
Table 12 Service Interface, Group J43
Pin
1
2
3
© TagMaster
Signal
Description
TX+
Transmitted data, from reader to host
TX−
GND
Ground
RX+
Received data, to reader from host
RX−
Signal
Description
TX/RX+
Transmitted and received data, to and from Host
TX/RX−
GND
Ground
NC
Not used
NC
Signal
Description
TX
Transmitted data, from reader to host
RX
Received data, to reader from host
GND
Ground
Signal
Description
TX
Transmitted data, from reader to host
RX
Received data, to reader from host
GND
Ground
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