Schweitzer Engineering Laboratories SEL-387E - SEL-387 E Relay to Modem

Date Code 20080110 Communications 7-7
SEL-387E Instruction Manual
SEL-387E Relay to Modem
Cable C222
SEL-387E Relay
9-Pin Male
“D” Subconnector
**DCE Device
25-Pin Male
“D” Subconnector
Cable C220
SEL-387E Relay
9-Pin Male
“D” Subconnector
Modem 5 Vdc Powered
**DCE Device
25-Pin Male
“D” Subconnector
GND 5
TXD 3
RTS 7
RXD 2
CTS 8
GND 9
GND 5
TXD 3
RTS 7
RXD 2
CTS 8
+5 VDC 1
GND 9
7 GND
2 TXD (IN)
20 DTR (IN)
3 RXD (OUT)
8 CD (OUT)
1 GND
7 GND
2 TXD (IN)
20 DTR (IN)
3 RXD (OUT)
8 CD (OUT)
10 PWR (IN)
1 GND