Omron CQM1H-SCB41 Operation Manual page 88

Connections
1:N Connections Using RS232C Ports
Serial Communications
Board
RS-232C
interface
D-sub, 9-pin
connector (male)
Serial Communications
Board
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
Signal
Signal
Shield
Pin
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
Note We recommend using the following NT-AL001-E Link Adapter Connecting
Cables to connect to NT-AL001-E Link Adapters.
XW2Z-070T-1: 0.7 m
XW2Z-200T-1: 2 m
RS-422A
Pin
Signal
Shield
Terminal block
Device supporting
RS-422A/485
communications
(2-wire)
Pin
Signal
Terminal block
Section 5-4
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
RS-422A
Signal
/485
interface
Device supporting
RS-422A/485
communications
(2-wire)
Signal
RS-422A
/485
interface
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