Yaskawa MP920 Communications Module - Manual (Page 122)

6 217IF Module
6.2.1 217IF Module
6-6
When the terminating resistance is inserted, connect to the RXR (+) and
RX (-) signal terminals, and the TXR (+) and TX (-) signal terminals.
When the terminating resistance is not inserted, connect to the RX (+)
and RX (-) signal terminals, and the TX (+) and TX (-) signal terminals.
An MR-8RFA4 (G) (manufactured by Honda Communication Industries Co., Ltd.) is used
as the connector on the Module.
Use an MR-8M (G) (case: MR-8L) as the connector on the cable.
RXR (+)
RX (+)
RX (-)
TXR (+)
TX (+)
TX (-)
Terminating
resistance