SGW1-IA3-MB-NM – NMEA talker to Modbus slave Converter – User’s Manual
www.exemys.com
Rev.4
6
2
Installation
2.1
Power Supply connection
The SGW1-IA3-MB-NM accepts a power supply in the range of +10 to 30 VDC. The positive
must be connected to terminal #5 and the negative to terminal #6, as can be seen in the
following image:
2.2
Serial Ports Connections
RS232 ports are DTE type. That means, data is transmitted through the TX terminal and is
received on the RX terminal. If you want to connect another DTE device you must cross the Tx
and Rx terminals.
2.3
Led Indicators
The SGW1-IA3-MB-NM has three LED indicators. One of them indicates that the device is
energized (Power). While the other two are each linked to the activity on the serial ports -
Modbus (A) and NMEA (B).
