IGW/400-UART – Pin Assignments
SSV EMBEDDED SYSTEMS 10
5 PIN ASSIGNMENTS
5.1 14-Pin Environment Interface Connector (EI/O)
Pin Name Function
1 Vin 6 - 30 VDC power input
2 GND Ground
3 DCD2 (RS232) UART2 RS232 serial port, DCD2 pin
4 RXD2 (RS232) UART2 RS232 serial port, RXD2 pin
5 TXD2 (RS232) UART2 RS232 serial port, TXD2 pin
6 DTR2 (RS232) UART2 RS232 serial port, DTR2 pin
7 RTS2 (RS232) UART2 RS232 serial port, RTS2 pin
8 CTS2 (RS232) UART2 RS232 serial port, CTS2 pin
9 GND Ground
10 TX+ (RS422) UART2 RS422 serial port, TX+ pin
11 TX- (RS422) UART2 RS422 serial port, TX- pin
12 RX+ (RS422) UART2 RS422 serial port, RX+ pin
13 RX- (RS422) UART2 RS422 serial port, RX- pin
14 Vout 3.3 VDC Output (max. 100 mA)
Table 1: Pinout environment interface
5.2 RS232 Connector (UART1)
Top view Pin Name Function
1 DCD1 UART1 serial port, DCD pin
2 RXD1 UART1 serial port, RXD pin
3 TXD1 UART1 serial port, TXD pin
4 DTR1 UART1 serial port, DTR pin
5 GND Ground
6 --- Not connected
7 RTS1 UART1 serial port, RTS pin
8 CTS1 UART1 serial port, CTS pin
9 --- Not connected
Table 2: Pinout RS232 connector (UART1)
Note: All UART1 port signals are on RS232 level. There is no TTL level available on UART1.
5.3 10/100 Mbps Ethernet Interface
Top view Pin Name Function
1 TX+ 10/100 Mbps LAN, TX+ pin
2 TX- 10/100 Mbps LAN, TX- pin
3 RX+ 10/100 Mbps LAN, RX+ pin
4 --- Not connected
5 --- Not connected
6 RX- 10/100 Mbps LAN, RX- pin
7 --- Not connected
8 --- Not connected
Table 3: Pinout 10/100 Mbps Ethernet interface
