Schweitzer Engineering Laboratories SEL-321 - EIA-232 Cables

Date Code 20011026 Installation 6-7
SEL-321/321-1 Instruction Manual
EIA-232 Cables
Cable C234A
SEL-321 Relay
9-Pin Male
“D” Subconnector
*DTE Device
9-Pin Female
“D” Subconnector
Cable C222
SEL-321 Relay
9-Pin Male
“D” Subconnector
**DCE Device
25-Pin Male
“D” Subconnector
Cable 231
SEL-PRTU
9-Pin Male
Round Conxall
SEL-321 Relay
9-Pin Male
“D” Subconnector
RXD 2
TXD 3
GND 5
CTS 8
GND 5
TXD 3
RTS 7
RXD 2
CTS 8
GND 9
GND 1
TXD 2
RXD 4
CTS 5
+12 7
GND 9
3 TXD
2 RXD
5 GND
8 CTS
7 RTS
1 DCD
4 DTR
6 DSR
7 GND
2 TXD (IN)
20 DTR (IN)
3 RXD (OUT)
8 CD (OUT)
1 GND
5 GND
2 RXD
3 TXD
7 RTS
8 CTS
9 GND