Connections to a Modem
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Serial Communica-
tions Unit RS-232C
port
Modem
FG
SD
RD
RS
CS
DR
SG
CD
ST2
RT
ER
CI
ST1
3 Installation and Wiring
FG
SD
RD
RS
CS
5V
DR
ER
SG
3
3-13