Trycom Technology TRP-C31M User Manual page 9

5-5.RS-422 Mode
The RS-422 mode supports 4 channels with full duplex operation for Receive, Transmit, RTS
(Request to send) and CTS (Clear to Send). The data lines are in differential pairs. Ground provides
a common mode reference. To use handshaking Flow Control must be set to RTS/CTS during
configuration. Refer to the next pin out for connections.
5-6.RS-485 Mode
The RS-485 mode supports the Transmit and Receive Channels using 2-wire half-duplex operation.
The data lines are differential pair Ground provides a common mode reference. Refer to the Pin
out table for connections.