iDP-562 User’s Manual
CITIZEN
13
Preset jumper
Preset
Mode
Jumper
RS-232C
CURRENT LOOP
TTL
1
A
×
B
2
A
×
B
3
A
B
B
4
×
B
A
5
A
×
B
×
: Both A and B can be set.
B position
A position
A
B
DATA can be transferred at DTR = SPACE
A
(RS-232C / TTL level)
DATA can be transferred at DTR = MARK
6
(CURRENT LOOP)
DATA can be transferred at DTR = MARK
B
(RS-232C / TTL level)
DATA can be transferred at DTR = SPACE
(CURRENT LOOP)
At shipping all of preset jumper are set as A.