NPK Morsvyazavtomatica
NPK Morsvyazavtomatica - Marine Electronics
Unicont, Saint-Petersburg


NMEA 0183 signal multiplicator

  • Description
  • Technical specification
  • Downloads
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MDU-102 is designed for multiplication of the signals of NMEA 0183, version 1 - 3 (IEC 61162-1, 61162-2), or other signals in case of serial data communication through RS-232 and RS-422/485 interfaces from one or several sources. The device provides back-up channel switching function and verification of the checksum of the data coming through the first channel.
  • Overall and mounting dimensions
  • Functional scheme
  • Wiring diagram
General characteristics
Overall dimensions 194x117x29 mm
Ingress protection rating IP 22
Storage temperature -55…+75 °С
Operating temperature -25…+55 °С
Weight 0,5 kg
Electrical characteristics
Supply voltage 10…36 VDC
Power consumption not more than 3 W
Galvanic isolation +
Reverse polarity protection +
Overvoltage protection + (fuse 1 A)
Characteristics of output ports
Number of output channels 2 (CH1, CH2)
Supported interfaces RS-232, RS-422/485
Maximum baudrate 115200 bit/s
Isolation of input ports +
Characteristics of input ports
Number of input channels 8 (2x4)
Number of output groups 2 (A и B)
Galvanic isolation 4 are not isolated,
4 are isolated
Supported interfaces RS-232, RS-422/485
Maximum baud rate 115200 bit/s