Omron CP1L Operation Manual page 714

Connections to Serial Communications Option Boards
Connecting a Host Computer with NT-AL001-E Converting Link Adapters
CPU Unit
Signal
RS-232C
Option
Board
D-sub, 9-pin
connector (male)
Note We recommend using the following NT-AL001-E Link Adapter Connecting Cables to connect to NT-
AL001-E Link Adapters.
XW2Z-200T-1: 2 m
XW2Z-500T-1: 5 m
Connections to a Modem
Modem
680
NT-AL001-E Link Adapter
RS-232C
Pin Pin Signal Signal Pin
Shield
(See note)
Terminal block
D-sub, 9-pin
connector (male)
DIP Switch Settings
Pin 1: ON
Pin 2: ON
(terminating resistance)
Pin 3: OFF (4-wire)
Pin 4: OFF
Pin 5: OFF
Pin 6: ON
CPU Unit
RS-232C
Option Board
NT-AL001-E Link Adapter
Pin Signal
Signal
RS-422A
DIP Switch Settings
Pin 1: ON
Pin 2: ON
(terminating resistance)
Pin 3: OFF (4-wire)
Pin 4: OFF
Pin 5: OFF
Pin 6: OFF
Appendix F
Computer
Pin Signal
RS-232C
RS-232C
Interface
5-V (+)
power (-)