Data Sheets NBF-3 Data Sheet issue 3.00
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Data Sheets NBF-3 Data Sheet issue 3.00 - 1

Safely drive up to six NMEA Listeners, with power distribution for the connected Talker. The NBF-3 NMEA Buffer isolates and buffers NMEA 0183 data, with the power to drive multiple devices. Able to distribute up to six identical, amplified streams of data from one source. The NMEA signals are buffered to ensure that each Listener receives the data at the required voltage levels, providing consistent data quality. Isolation on the input and outputs ensures the protection of the source Talker device and Listening devices. ISO-DriveTM technology on the outputs and OPTO-isolation on the input enables you to connect the NBF-3 with complete peace of mind. The NBF-3 has the addition of power distribution for the NMEA Talker. By having power and data from the same source, cabling requirements are reduced and installation is made simpler. AIS compatible Protects connected devices Simple installation Can be used to isolate between two PC systems Features: O ne OPTO-isolated input Six ISO-DriveTM outputs C ompatible with RS422, RS232 and RS485 connections Pluggable screw terminals Power and input indicator LEDs Power feed for single cable installations to the NMEA Talker D IN Rail mountable U p to 115200 baud 12v 1 500V isolation on inputs & outputs Optional power feed 500mA max Talker All features and specifications are preliminary and may change without notice Active Research Limited is registered in England, Company number: 3295909. VAT Registration number: GB 658 7968 55 Actisense from Active

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Data Sheets NBF-3 Data Sheet issue 3.00 - 2

NBF-3 Specifications Power Supply What is ISO-DriveTM? ISO-Drive™ technology is unique to our products and ensures each ‘Talker’ output is protected. ISODrive™ provides an isolated output, making installation simple and free from ground loops. This substantially reduces the risk of damage and hazards in connected equipment. The ISO-Drive™ output is compatible with all connection types (RS422, RS485 & RS232), making for easy installation of an NMEA 0183 data bus system. Outputs are separately isolated from each other and the input (Listener) circuit and can ‘float’ safely up to 1500 volts...

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