NCR 7772 Series - RJ45 Serial

2-26 Hardware Installation
RJ45 Serial
The Hospitality I/O Board provides one dual package RJ45 serial port. The RJ45 port is
an unshielded 8-pin. The color of the connector is yellow.
Pin Signal Name
1 DSR
2 DCD
3 DTR/5V
4 GND
5 RX
6 TX
7 CTS
8 RTS/12V