Omron CS1W-SCU21 Operation Manual page 108

9KTKPI
  %QPPGEVKQPU 7UKPI 45# 2QTVU
Serial Communications Board/Unit
Signal Pin
RS-422A
/485 in-
terface
D-sub, 9-pin
connector (male)
Serial Communications Board/Unit
Signal Pin
RS-422A
/485 in-
terface
Device supporting
RS-422A/485
communications
(2-wire)
Signal
Shield
RS-422A
/485 in-
terface
Hood
NT-AL001-E Link Adapter
RS-422A
Shield
Pin Signal
Hood
D-sub, 9-pin
connector (male)
D-sub, 9-pin
connector (male)
DIP Switch Settings
Pin 1: ON
Pin 2: ON
(terminating resistance)
Pin 3: OFF
Pin 4: OFF
Pin 5: OFF
Pin 6: OFF
Serial Communications Board/Unit
Signal Pin
RS-422A
/485 in-
terface
Hood
D-sub, 9-pin
connector (male)
Computer
Signal Pin
Signal
RS-232C
FG
NC
SD
SD
RD RS-232C
RD
Interface
RTS
RTS
CTS CTS
5V
DSR
DSR
DTR
DTR
SG SG
5-V (+)
power (-)
5GEVKQP 
Device supporting
RS-422A/485
communications
(4-wire)
Signal
Shield
RS-422A
/485 in-
terface