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NMEA Data combiner


NMEA Data combiner

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The NC-117 is designed to receive messages from NMEA 0183 - compatible sources over 8 RS-232/422 inputs and 1 USB port, combine acquired messages in various combinations according to user settings and transmit them from 4 RS-232/422 outputs or one USB port to receivers compatible with NMEA 0183 protocol.

Electrical parameters:

Supply voltage

9 to 36 VDC

Power consumption

 max 7 W

Galvanic isolation between combiner and power supply


Overvoltage protection

- overvoltage

- supply voltage polarity doesn't matter

Operating parameters:


max 0.7 kg

Overall dimensions

194 х 117 х 29 mm

Protection degree


Operating temperature

-15 to +55 °С

Storage temperature

-60 to +70 °С

I/O characteristics:

Number of inputs

8хRS-232/422 + USB

Number of outputs

4xRS-232/422 + USB

Baud rate (input/output)

individually selectable from 2400 bit/s to 115200 bit/s for each port

Signal data format

NMEA 0183 versions 1 to 3 (IEC 61162-1, 61162-2) or other serial data transmission signals

Opto-isolation (inputs)


Galvanic isolation (outputs)


Message combining

selectable for each output port

Input ports polling priority

selectable for each output port

Delay of input port polling

selectable for each output port

NMEA option

selectable for each output port

NMEA header setting

for each output port

Number of polled input ports

selectable for each output port