Omron CS1W-SCU21 Operation Manual page 107

9KTKPI
 0 %QPPGEVKQPU 7UKPI 45% 2QTVU
Serial Communications
Unit or Board
RS-232C
interface
D-sub, 9-pin
connector (male)
Serial Communications
Unit or Board
Signal
RS-232C
interface
D-sub, 9-pin
connector (male)

NT-AL001-E
RS-232C
Pin
Signal Pin Signal
Shield
FG NC
SD
SD
RD
RD
RTS RTS
CTS
CTS
5V 5V
DSR
DSR
DTR
DTR
SG SG
(See note)
D-sub, 9-pin
connector (male)
DIP SW
Pin 1: ON
Pin 2: ON Terminating
resistance
Pin 3: OFF 4-wire
Pin 4: OFF
Pin 5: OFF
Pin 6: ON
NT-AL001-E
RS-232C
Pin Pin
Signal
Shield
FG NC
SD SD
RD
RD
RTS RTS
CTS
CTS
5V
5V
DSR
DSR
DTR
DTR
SG
SG
(See note)
D-sub, 9-pin
connector (male)
DIP SW
Pin 1: ON
Pin 2: ON Terminating
resistance
Pin 3: ON 2-wire
Pin 4: ON
Pin 5: OFF
Pin 6: ON
0QVG 9G TGEQOOGPF WUKPI VJG HQNNQYKPI 06#.' .KPM #FCRVGT %QPPGEVKPI
%CDNGU VQ EQPPGEV VQ 06#.' .KPM #FCRVGTU
:9<6  O
:9<6  O
RS-422A
Pin
Signal
Shield
Terminal block
Signal Pin
Terminal block
5GEVKQP 
Device supporting
RS-422A/485
communications
(4-wire)
Signal
RS-422A
/485
interface
Device supporting
RS-422A/485
communications
(4-wire)
Signal
RS-422A
/485
interface
Device supporting
RS-422A/485
communications
(2-wire)
RS-422A
Signal
/485
interface
Device supporting
RS-422A/485
communications
(2-wire)
Signal
RS-422A
/485
interface