Regular price $147.00 $0.00

NMEA 0183 Serial Opto Isolator

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If isolation in both directions is required, the Actisense USG-2 offers bi-directional isolation in a USB to RS422 (NMEA 0183) form.

The Actisense design integrates an over-moulded case for excellent water resistance and a small footprint for installation into tight spaces.


  • One OPTO-isolated input
  • One NMEA output
  • Up to 115200 baud
  • Port powered
  • Shielded cable and case


  • Protects PC from damage
  • Water resistant cable.
  • Ruggedized overmoulded case suitable for harsh environment
  • Quick and easy to install

NMEA Listener / Input Isolation2kV Opto-Isolation between Red / Black NMEA Input Pair and all other Connections
NMEA Listener / Input Voltage+/-15V Continuous Maximum
+/-35V Max < 1 Second
NMEA Listener / Input Signal ThresholdsLogic ‘0’ +2V to +15V, Logic ‘1’-15V to 0V
NMEA Talker / Output Voltage & CurrentDependant on Host RS232 Interface. Typically +/-5V to +/-15V @ 10mA Max
RS232 Voltage on Host+/-7V to +/-15V
RS232 Port Total Current Consumption2mA to 5mA depending on RS232 Voltage
Speed / Baud Rate


4800 to 115200 Baud


Housing MaterialPVC Black
Thumb Screw MaterialPVC Orange
ScrewSteel, Nickel Plated, M2.8 Thread
DB9 Connector9 Pin Female
Cable Length1.5m
Cable Wire22AWG (17/34AWG) Tinned Stranded Copper
Cable JacketPVC
ShieldInternal Copper Foil Shield
Cable Outer Diameter




Approvals and Certifications
Operating Temperature-20°C to +70°C
Electrical SpecificationMeets IEC 61162-2
Guarantee3 Years
UL CertificationCable E137250

Data Sheet



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