Schweitzer Engineering SEL-351P - SEL-351 P Recloser Control to Modem

10-4 Serial Port Communications and Commands Date Code 990215
SEL-351P Manual Técnico
Cable C227A
SEL-351P
25-Pin *DTE Device
9-Pin Male 25-Pin Female
“D” Subconnector “D” Subconnector
GND 5 7 GND
TXD 3 3 RXD
RXD 2 2 TXD
GND 9 1 GND
CTS 8 4 RTS
5 CTS
6 DSR
8 DCD
20 DTR
SEL-351P Recloser Control to Modem
Cable C222 (externally powered modem)
SEL-351P
**DCE Device
9-Pin Male 25-Pin Male
“D” Subconnector “D” Subconnector
GND 5 7 GND
TXD 3 2 TXD (IN)
RTS 7 20 DTR (IN)
RXD 2 3 RXD (OUT)
CTS 8 8 CD (OUT)
GND 9 1 GND
Cable C220 (modem powered from Pin 1 [5 vdc]
1
)
SEL-351P
**DCE Device
9-Pin Male 25-Pin Male
“D” Subconnector “D” Subconnector
GND 5 7 GND
TXD 3 2 TXD (IN)
RTS 7 20 DTR (IN)
RXD 2 3 RXD (OUT)
CTS 8 8 CD (OUT)
+5 VDC 1 10 PWR (IN)
GND 9 1 GND
1
See Table 2.6 in Section 2: Additional Installation Details for jumper information.