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| Opto-isolation provides 2000 volts of protection
to the vital NMEA devices onboard, and more... |
The Actisense® OPTO-3 cable
is an easy, safe and low-cost method of connecting an NMEA system to a laptop
PC (and any other device with a standard RS232 9-pin port). Whilst protecting
the most vital and expensive devices in the NMEA system, it also converts from
the PC standard RS232 9-pin serial communications port to an NMEA 0183 (RS422)
marine bus link.
In addition, the OPTO-3 cable and plug-case are fully shielded to offer a complete
solution for system builders that require all components to be shielded (particularly
in noisy and/or commercial environments).
The OPTO-3 cable is a bi-directional NMEA 0183 (RS422) to RS232 interface cable,
that utilises full galvanic opto-isolation to protect the PC input, and "tranzorb" protection
for the PC output. This provides comprehensive isolation of expensive PC hardware
when connecting to an NMEA 0183 bus that may have picked up potentially hazardous
voltages around the electrically noisy environment of a vessel.
No external power supply is required as the cable takes all necessary power from
the RS232/PC port. Simple installation requires wiring the open end to the NMEA
bus, and plugging the D-type connector into the PC, to start receiving the NMEA
data - true plug'n'play functionality.
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