Specifications
Actisense
®
Page 2© 2011 Active Research Limited
Contents
Important Notices 4
Notices 4
Feedback! 4
NMEA 0183 Introduction 4
The basics 4
Electrical specication 5
NMEA 0183 v2.x and v3.x Talker 5
NMEA 0183 v1.x Talker 5
Other Talkers 5
NMEA Talker Limitations 5
Listener specication 6
Communication specication 6
The different versions of the 7
NMEA 0183 standard 7
Format changes 7
Introducing ISO-Drive 7
The Actisense product range 8
PC OPTO-Isolation cables 8
NMEA Data Multiplexers / Combiners 8
NMEA Buffers 8
NMEA gateways 8
NMEA Autoswitches 8
Connecting NMEA talkers to NMEA Listeners 9
Differential NMEA talker 9
Case (1): Standard differential NMEA 0183 v2.0+ Listener 9
Case (2): Single-ended NMEA Listener 9
Single-ended NMEA talker 10
Case (1): Standard differential NMEA 0183 v2.0+ device 10
Case (2): Single ended NMEA interface devices 10
Connecting a computer to your NMEA 0183 system 11
Recommend method of connection of a PC to an NMEA 0183 data bus 11
Testing an NMEA 0183 computer connection with ‘HyperTerminal’ 12
Example data using an Actisense talker device 12