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CamControl for Axis servers
CamControl for Axis servers
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NM-251 Series
is a family of Data Converters that can be used for data distribution and conversion at marine and industrial applications.Due to the fact that NM-251 Series is a microcontroller based design, it can function in various ways depending on the uploaded firmware.
NM-251 Series Converter can be programmed to carry out various functions like:
buffer, multiplexer, speed log converter, baud rate converter, filter etc.

I/O NMEA Serial Over Ethernet Gateway

The NM-431MP is a multiport IO interface featuring four optically isolated input ports, three RS-422 signal level output ports, one RS-232 signal level IO port (shared with input 1) and a Serial over Ethernet IO Interface. The NM-431MP interface is intended for use with computer based marine systems such as ECDIS, SVDR/VDR and Conning systems where NMEA-0183 data must be acquired from multiple sources such as GPS, Gyro, Log, AIS, Radar ARPA, Echo Sounder, Wind instrument and BNWAS. The connection to the computers is achieved via the Serial over Ethernet Interface with the use of a single CAT5 cable, either by creating four virtual serial ports or directly to four user selectable UDP sockets for application supporting this feature.

Convert your GPS to a Speed Log
member of the NM-251 Series family and is programmed to function as a Speed Over Ground Converter.
It converts the speed over ground data received from the GPS to the $VWVHW format simulating a speed log

NMEA checksum calculator
acquires the NMEA-0183 input strings,
calculates and appends the checksum to the output string.

True Heading Converter from fluxgates
It enables conversion of the NMEA-0183 input sentence containing the heading data in a different format (e.g. $xxHDG, $xxHDM, $xxVHW etc.) to true heading format.

WGS-84 Datum Generator
is programmed to produce and output the $GPDTM string in order to identify the datum as the WGS84 

Speed Log pulses to NMEA converter
speed Log ppm output to NMEA-0183
converter that enables connection of every speed log
that uses the “closing” contact interface with
digital systems and instruments that comply with

NMEA Baud Rate converter
member of the NM-251 Series family and is programmed toconverts any input baud rate to the desired output baud rate.

NMEA Depth Converter
is a member of the NM-251 Series family and is
programmed to function as a $xxDRU (Dual Doppler
Auxiliary data) to $SDDPT or $SDDBT for delivering depth data information from older systems.

VoIP pbx for mid-size Yachts

There are new ways of communication every day and the addition of features and functionality must be constant. nm-pbx it’s capable of establish an efficient environment on your yacht with the addition of many features that allows to integrate other systems.

Marine Surveying for New Motor Yachts
A Practical Guide for Buyers, Marine Surveyors, Captains, Crew

This is an interesting book and approaches the marine surveying subject from a new angle. Marine surveyors are generally surveying used or second hand craft. But it is my opinion that the book would be of great assistance to a client intending to instruct on the construction of a new vessel, in the main giving clear guidelines about how to legally protect his/her investment. There is information on the responsibilities of all parties with details on check lists and contracts which should make any process more controllable as everyone will understand what is expected of them

Digital Inclinometer for marine use

NM-INC is a 2-axis digital inclinometer for marine use and incorporates the inclinometer interface with the Furuno RD33 displayThe dual axis inclinometer sensor with a serial output is suitable for interfacing with embedded systems or with a PC for data acquisition. It measures angles between ±30° in the pitch and roll axis, and can transmit the data continuously in NMEA format. The sensor is small, lightweight, rugged and sealed to work in a variety of applications. 

I/O NMEA Serial Over Ethernet Gateway

The NM-11ETH is an Input / Output interface featuring one optically isolated input, one RS-422 signal level output port and one Serial over Ethernet I/O interface. The NM-11ETH is intended for use with computer based systems such as ECDIS, SVDR/VDR and conning/monitoring systems where NMEA-0183 data must be acquired from a source such us the GPS, Gyro, LOG, AIS, Radar ARPA, Echo Sounder or BWNAS. The connection to the computers is achieved via the Serial over Ethernet Interface with the use of a single CAT5 cable, either by creating a virtual serial port or directly a user selectable UDP socket for applications that support this feature.

The NM-2C is an interface intended for use between ship’s GPS or heading or track control system and the BNWAS according to
Paragraph of Res. MSC. 128 (75)
The BNWAS should incorporate the following operational modes:
Automatic (Automatically brought into operation whenever the heading or track control system (i.e. auto steering mode of steering control stand (Auto pilot)) is activated and inhibited when this system is not activated)
Main Distributors: TNL Greece - Aegean electronics SA 
for more info contact


8 Relay serial controller with NMEA type interface.

Up to 16 boards can be used at the same serial bus.
Led indicators for each relay
NMEA type feedback from the controller with board ID and relays state.
Ideal for Domotic, Conning and monitoring applications. Ready for TCP/IP and UDP Ethernet connections
for more info contact

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