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USG-1 USB to NMEA-0183 Gateway
The Actisense USG-1 interface
is an easy, safe and low-cost method of connecting a marine NMEA 0183
system to a USB equipped PC. Whilst protecting the most vital and
expensive devices in the NMEA 0183 system, it also creates a virtual
serial port that allows connection to an NMEA 0183 (RS422) marine bus
link.
Total galvanic isolation is assured using an ISO-Drive output and the use
of the trusted Actisense OPTO isolated input circuitry.
The ISO-Drive output offers total galvanic isolation from the input and
can "float" safely up to 1500 VDC from ground. Its sophisticated
circuitry is 100% compatible with the NMEA 0183 RS422, industrial RS485
and single-ended PC RS232 "COM" ports.
The USG-1 provides comprehensive isolation of the expensive PC hardware
when connecting to an NMEA 0183 (RS422) bus that may have picked up
potentially hazardous voltages around the electrically noisy environment
of a vessel or factory, and makes installation simple due to the isolation
of the PC ground from the NMEA 0183 data network ground, often the biggest
cause of data errors and one of the biggest safety hazards in any
electronic installation.
No external power supply is required as the cable takes all necessary
power from the USB port. Simple installation using plug & play USB
drivers supplied on CD allows the PC to start sending and receiving data
to the NMEA 0183 data network within minutes of installation.
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