50
Connecting to the RS-232C Port at the Host Section 4-1
Setting the Rear Switches
ON
ON
SW1
SW2
1
2
3
4
5
6
7
8
I/O port
RS-422A
RS-232C
Synchronization
Internal
External
Terminator
OFF
ON
CTS
0 V
External
• I/O port selection (selector switch)
Set this to RS-232C.
• Unit # (DIP SW1)
Set SW1-1 to SW1-5 to OFF (0).
• Synchronization (selector switch)
Set this to Internal.
• Communications speed
(DIP SW2-1 to SW2-4)
• 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.)
• CTS selection (selector switch)
Set this always to 0 V (ON).
1
2
3
4
5
6
7
8
Set these switches to 1010 to select
9,600 bps.
(0: OFF 1: ON)
Set these switches to 0010 to select
19,200 bps.
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