Relay To Sel-2020 Or Sel-2030 - Schweitzer Engineering Laboratories SEL-352-1 Instruction Manual

SEL-352 Relay
9-Pin Male
"D" Subconnector
GND 5
TXD 3
RTS 7
RXD 2
CTS 8
+5 VDC 1
GND 9
SEL-352 Relay to SEL-2020 or SEL-2030
SEL-2020 or SEL-2030
9-Pin Male
"D" Subconnector
RXD 2
TXD 3
GND 5
RTS 7
CTS 8
SEL-2020 or SEL-2030
9-Pin Male
"D" Subconnector
RXD 2
TXD 3
IRIG+ 4
GND 5
IRIG- 6
RTS 7
CTS 8
* DTE = Data Terminal Equipment (Computer, Terminal, Printer, etc.)
** DCE =
Date Code 20010731
Cable C220
Modem 5 Vdc Powered
**DCE Device
25-Pin Male
"D" Subconnector
Cable 272A
SEL-352 Relay
9-Pin Male
"D" Subconnector
Cable 273A
SEL-352 Relay
9-Pin Male
"D" Subconnector
Data Communications Equipment (Modem, etc.)
Serial Port Communications and Commands
SEL-352-1, -2 Instruction Manual
7 GND
2 TXD (IN)
20 DTR (IN)
3 RXD (OUT)
8 CD (OUT)
10 PWR (IN)
1 GND
3 TXD
2 RXD
5 GND
7 RTS
8 CTS
3 TXD
2 RXD
4 IRIG+
5 GND
6 IRIG-
8 CTS
7 RTS
8-5