10.7
Date Code 20090730 Instruction Manual SEL-734 Meter
Communications
Port Connector and Communications Cables
Figure 10.5 Cable for Connecting the SEL-734 to a DNP Device
Figure 10.6 Cable for Connecting the SEL-734 to an External Modem
SEL-734 to SEL-2020,
SEL-2030, SEL-2032,
or SEL-2100
Figure 10.7 Cable for Connecting the SEL-734 to an SEL-2020, SEL-2030,
SEL-2032, or SEL-2100
SEL-734 9-Pin DNP Device
Cable C280/R
9-PIN MALE
"D" SUB CONNECTOR
9-PIN FEMALE
"D" SUB CONNECTOR
RXD
TXD
GND
RTS
CTS
TXD
RXD
GND
DCD
RTS
CTS
2
3
5
7
8
3
2
5
1
7
8
ORANGE
RED
BLUE/SHIELD
SEL-734 DCE** DEVICE
Cable C222/R
9-PIN MALE
"D" SUB CONNECTOR
25-PIN MALE
"D" SUB CONNECTOR
GND
TXD
RTS
RXD
CTS
GND
GND
TXD (IN)
DTR (IN)
RXD (OUT)
CD (OUT)
GND
5
3
7
2
8
9
7
2
20
3
8
1
BLACK
RED
GREEN
ORANGE
WHITE
SHIELD
** DCE = Data Communications Equipment (Modem, etc.)
SEL-2020/2030/2032/2100 SEL-734
Cable C273A/R
9-PIN MALE
"D" SUB CONNECTOR
9-PIN MALE
"D" SUB CONNECTOR
RXD
TXD
+IRIG
GND
-IRIG
RTS
CTS
TXD
RXD
+IRIG
GND
-IRIG
CTS
RTS
2
3
4
5
6
7
8
3
2
4
5
6
8
7
ORANGE
RED
BLUE
SHIELD
BLACK
GREEN
WHITE
Courtesy of NationalSwitchgear.com