Schweitzer Engineering Laboratories SEL-311C - SEL-311 C to SEL-DTA2; SEL-311 C to SEL-PRTU; Table 10.3 Serial Communications Port Pin;Terminal Function Definitions; SEL-311 C to SEL Communications Processor or SEL-2100

10.4
SEL-311C Relay Instruction Manual Date Code 20060320
Serial Port Communications and Commands
Port Connector and Communications Cables
SEL-311C to SEL
Communications
Processor or
SEL-2100
SEL-311C to SEL-DTA2
SEL-311C to SEL-PRTU
SEL-2032/2030/2020
or SEL-2100
9-Pin Male
"D" Subconnector
9-Pin Male
"D" Subconnector
2
3
4
5
6
7
8
3
2
4
5
6
8
7
RXD
TXD
IRIG+
GND
IRIG-
RTS
CTS
TXD
RXD
IRIG+
GND
IRIG-
CTS
RTS
Pin
Func.
Pin
Func.
Pin # Pin #
Cable SEL-C273A
SEL-311C Relay
SEL-DTA2
9-Pin Male
"D" Subconnector
9-Pin Male
"D" Subconnector
2
3
5
7
8
3
2
5
7
8
RXD
TXD
GND
RTS
CTS
TXD
RXD
GND
RTS
CTS
Pin
Func.
Pin
Func.
Pin # Pin #
Cable SEL-C272A
SEL-311C Relay
Table 10.3 Serial Communications Port Pin/Terminal Function Definitions
Pin Function Definition
N/C No Connection
+5 Vdc (0.5 A limit) 5 Vdc Power Connection
RXD, RX Receive Data
TXD, TX Transmit Data
IRIG-B IRIG-B Time-Code Input
GND Ground
SHIELD Grounded Shield
RTS Request To Send
CTS Clear To Send
DCD Data Carrier Detect
DTR Data Terminal Ready
DSR Data Set Ready
SEL-PRTU
9-Pin Male
Round Conxall
9-Pin Male
"D" Subconnector
1
2
4
5
7
9
5
2
3
7
8
9
GND
TXD
RXD
CTS
+12
GND
GND
RXD
TXD
RTS
CTS
GND
Pin
Func.
Pin
Func.
Pin # Pin #
Cable SEL-C231
SEL-311C Relay