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Home > Electronics > Actisense NMEA2000 Network >
Actisense USB To Serial Gateway (RS422), USG-1-422

Actisense USB To Serial Gateway (RS422), USG-1-422




Availability: Usually ships the next business day

Brand New with Factory Warranty

Actisense USB To Serial Gateway (RS422), USG-1-422
usg-1-422List Price: $US 148.20Our Price: $US 128.44

Advanced technology for safe, reliable and simple connection of your NMEA 0183, RS422 and RS232 devices to your PCs USB port.

The USG-2 converts a USB port into a bi-directional serial port suitable for connecting to a marine standard NMEA 0183 data bus.

It provides a far safer connection when compared to standard USB to serial converters.

Electrical isolation is provided by the ISO-DriveTM output and OPTO-isolated input making installation simple and free from ground loops.

The input uses the Actisense OPTO-isolation circuitry to protect any connected equipment from the most common system faults. The input can receive very low level signals that are often too small to be received by a PC serial port.
The high quality, shielded USB lead included with the USG-2 makes connection to a PC simple while providing a high level of water protection when connected to the custom designed USB socket. 

The pluggable screwless connector makes installation quick and easy, and the specifically designed DIN rail mount option ensures a reliable secure bulkhead mount for the USG-2.

Multiple LEDs make diagnosing connection issues quick and easy. The blue power LED Illuminates solid blue when the USB driver has successfully loaded and the USG-2 is powered, while a green (receive) LED and an orange (transmit) LED indicate whether data is present.

Benefits of the USG-2:

  • Inputs & outputs protected against over voltage, ESD & short circuits.
  • Simple installation.
  • Protects PC from damage.Eliminates ground loops.

Features of the USG-2:

  • NMEA 0183, RS422 & RS232 compatible.
  • ISO-DriveTM technology.
  • Isolated input (2500V).
  • Isolated output (1500V)
  • Encapsulated electronics
  • High retention USB socket
  • Diagnostic LEDs
  • Baud rates from 300 to 230400 bps
  • Bulkhead mount, with optional DIN rail mount kit
  • Pluggable screwless connector with locking latch & strain relief

 

 

1.What is the default baud rate of the USG-2?

The USG-2 has no firmware and therefore no default baud rate.  The COM port will need to be opened at the baud rate that matches the device connected to the USG-2.

 

 

Can I buy a third party USB lead to use with the USG-2?

While a standard type B USB plug can be used with the USG-2, this is not recommended.  Standard USB leads will not provide the same level of ingress protection that the Actisense USB lead has been designed to as it is provided with a rubber 'O' ring seal on the connection to the USG-2.

Can I connect devices to the USG-2 that communicate at different baud rates?

No.  Devices connected to the USG-2 input and output must communicate at the same baud rate.

Can I connect more than one Listener (receiving device) to the USG-2?

Yes.  The USG-2 will support up to eight Listeners (depending on the demand from the Listener).  To ensure safe isolation of all Listeners and that enough power is available, we recommend the use of an Actisense NBF-3.

Can I connect more than one Talker (transmitting device) to the USG-2?

No.  It is not possible to connect more than one Talker to a Listeners input in any NMEA 0183 network. A multiplexer, such as the Actisense NDC-4, is required to combine multiple Talker outputs in to one.

What features exist to aid fault finding?

The USG-2 is fitted with three LEDs, one for indication of power and two for indication of data (one for TX, one for RX).  Please refer to the USG-2 User Manual for full details.

How waterproof is the USG-2

The internal electronics of the USG-2 are potted and sealed to provide a high level of water/ingress protection.  The high quality, shielded USB lead included with the USG-2 also provides a similar, high level of water protection when mated with the high retention USB receptacle.

The pluggable screwless connector meets all requirements  in accordance with  EN 60068-2-11:
 

If the device is going to be used in an environment where it is going to be subjected to direct contact with water splashes etc. then it is recommended as a preventative measure that silicone grease (or dielectric grease) is used.








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** All Products sold here are Brand New unless specified Otherwise and come with Full Manufacturer's Warranty

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