YACHT DEVICES YDNM-02, is a smart multiplexer with five NMEA 0183 ports and one SeaTalk port, auto-identification of port speeds and easy one-button configuration. And of course, it has flexible filters, transmission rules, and supports firmware updates. The multiplexer has six preset configurations with different speeds and rules. The configurations are selected by pressing a hidden button. The ports can be configured to sense the speed of the connected equipment. In setting #1, three of five ports are configured for "AUTO" speed. This means you don't have to worry about the speed of the NMEA 0183 equipment you connect. Port #5 in setting #1 is configured for 4800 bps, but you don't have to worry about it being overwhelmed by AIS messages from port #5 because, according to the schedule, it receives data from ports #3, 4 and SeaTalk. The ports can send to themselves, which makes it possible to multiplex data from SeaTalk and five different NMEA 0183 products and can transmit this to three or more different listeners (multiple listeners can be connected to one transmitter, but one listener can only receive data from one transmitter). If you cannot find a suitable preset, you can change any setting of: speed, transmission rules, data filtering and tunnel mode. This is done with a command sent to any port on the multiplexer. In the settings, you can also lock the button so that the device is not accidentally configured.
Features
- 5 NMEA 0183 ports (2x TX/RX, 1 x TX/RX with galvanic isolation 2500 V (RMS), 2x RX only
- 1x SeaTalk port (multiple devices can be connected)
- Both "single ended" (RS-232) and "differential" (RS-422) NMEA 0183 connections are supported
- NMEA ports can be configured for any speed from 300 to 115200 bps, and with auto-speed
- Bidirectional data translation between SeaTalk and NMEA 0183 with autopilot support
- Individual filters on all ports for incoming and outgoing sentences
- Individual transmission rules for all ports, transmission to own port supported
- "Tunnel" mode for connecting older, non-standardized and Navtex equipment
- Firmware update via serial port supported
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