Omron Programmable Terminals NT31 NT31C - Manual (Page 69)

4-1 Section Connecting to the RS-232C Port at the Host
58
C1000H/C2000H Backplane mounted type: C500-LK203
Setting the Rear Switches
ON
ON
SW1
SW2
I/O port
RS-422A
RS-232C
Synchronization
Internal
External
Terminator
OFF
ON
CTS
0V
External
@ I/O port selection (selector switch)
Set this to RS-232C.
@ Synchronization (selector switch)
Set this to Internal.
@ Communications speed
(DIP SW2-1 to SW2-4)
Set these switches to 0010 to select
19,200 bps.
Set these switches to 1010 to select
9,600 bps.
(0: OFF 1: ON)
@ 1-to-1/1-to-N selection (DIP SW2-6)
Set SW2-6 to OFF (0) (1-to-N).
@ Instruction level (DIP SW2-7, SW2-8)
Set these switches to ON (1).
(Levels 1, 2, and 3 are enabled.)
5V supply
ON
OFF @ Unit #, parity, and transfer code
(DIP SW1-1 to SW1-7)
Set SW1-1 to SW1-7 to OFF (0).
@ CTS selection (selector switch)
Set this always to 0V (ON).
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8