IGW/400-UART – Pin Assignments
S S V E M B E D D E D S Y S T E M S
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
