Omron CP1H CPU Operation Manual page 731

Connections to Serial Communications Option Boards
Connecting RS-232C Ports 1:1
Connections to E5CK Controller
CPU Unit
RS-232C Option Board
Signal Pin
D-sub, 9-pin
connector (male)
Connections to a Host Computer
Computer
Connections to a Personal Computer with RTS-CTS Flow Control
Computer
OMRON E5CK Controller
RS-232C
RS-232C: Terminal Block
Shield
Signal
Terminal
CPU Unit
RS232-C Option Board
D-sub, 9-pin
connector (male)
CPU Unit
RS-232C Option Board
Appendix F
697