Omron NT20S Operation Manual page 57

Connection to a PC by the Host Link
I/O port
RS-422A
RS-232C
Synchronization
Internal
External
Termination
resistance
OFF
ON
CTS
0V
External
38
[Setting the rear switches]
S I/O port selection (selector switch)
Set this to "RS-232C".
S Unit # (DIP SW1)
Set SW1-1 to SW1-5 to "OFF" ("0").
NO
S Synchronization (selector switch)
Set this to "Internal".
S Baud rate (DIP SW2-1 to SW2-4)
Set these switches to "1010" to select 9600 bps.
NO
Set these switches to "0010" to select 19200 bps.
(0 : OFF 1 : ON)
S 1-to-1/1-to-N selection (DIP SW2-6)
Set SW2-6 to "0" (1-to-N).
S Instruction level (DIP SW2-7, SW2-8)
Set these switches to "1".
(Levels 1, 2, and 3 are enabled.)
S CTS selection (selector switch)
Set this always to "0V" (ON).
Section 2-4