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© 2015 Active Research Limited

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Important Notices

The device to which this manual relates complies with the Electromagnetic Compatibility requirements according to 
EN60945. The unit should always be used in conjunction with appropriately approved, shielded cable and connectors 
as per NMEA 0400 to ensure compliance. A declaration of conformity is available for download at 

www.actisense.com.

If the device to which this manual relates is to be installed within five metres of a compass, please refer to the 
‘Compass Safe Distance’ section in the ‘Technical Specifications’ table.

Trademarks and Registered Trademarks

Actisense® and the Actisense logo are registered trademarks of Active Research Limited (Ltd). All other trademarks are 
the property of their respective owners.

The NMEA® name and NMEA logo are copyright held by the NMEA. All uses in this manual are by permission and no 
claim on the right to the NMEA name or logo are made in this manual.

Fair Use Statement

The contents of this manual may not be transferred or copied without the express written permission of  
Active Research Ltd. Copyright © 2015 Active Research Ltd. All rights reserved.

Technical Accuracy

To the best of our knowledge the information contained in this document was correct at the time it was produced. 
Active Research Ltd cannot accept liability for any inaccuracies or omissions.  

The products described in this manual and the specifications thereof may be changed without prior notice. Active 

Research Ltd cannot accept any liability for differences between the product and this document. To check for updated 

information and specifications please check actisense.com. 

Active Research Ltd will not be liable for infringement of copyright, industrial property rights, or other rights of a third 
party caused by the use of information or drawings described in this manual.

Product Registration

Please register your product via the online form at 

www.actisense.com/support/prodreg. 

 

Your product package includes a unit serial number. The serial number is six digits long and can be found below the 
barcode on the label. Your registration will assist Actisense Support to link your product to your details, simplifying any 
future assistance you may require.

Product Guarantee

This product comes with a three year ‘return to base’ guarantee. If you suspect that the unit is faulty please refer to the 
Troubleshooting Section of the User Manual before contacting support.   

It is a requirement of the guarantee that all installations of electronic equipment follow the NMEA 0400 specification. 

Any connection to a battery or power supply must meet the mandatory essential safety requirements that may be 
imposed by local regulatory agencies.

Actisense products are intended for use in a marine environment, primarily for below deck use. If a product is to be 
used in a more severe environment, such use may be considered misuse under the Active Research Ltd guarantee. 

Product Disposal

Please dispose of this product in accordance with the WEEE Directive. The product should be taken to a registered 
establishment for the disposal of electronic equipment.

Summary of Contents for USG-2

Page 1: ...Issue 1 00 USB to Serial Gateway User Manual USG 2 ...

Page 2: ...r notice Active Research Ltd cannot accept any liability for differences between the product and this document To check for updated information and specifications please check actisense com Active Research Ltd will not be liable for infringement of copyright industrial property rights or other rights of a third party caused by the use of information or drawings described in this manual Product Reg...

Page 3: ...o serial port 4 Features 5 Software updates 5 NMEA 0183 interfacing 6 The basics 6 The NMEA signals 6 The different NMEA standards 6 Before getting started 7 Connecting to Devices 7 Connecting to NMEA 0183 Devices 7 Bi directional Connections 7 In the USG 2 Box 7 Inserting the Strain Relief Clip 8 Securing Data Wires 8 Power Supply and USB Drivers 8 Using the USB COM Port 9 LED Behaviour 9 Separat...

Page 4: ...systems Because the data signals travel across this isolating barrier as light the signals do not share the same ground safety is assured and no current can flow between the two power systems In addition a built in power isolator completes this comprehensive suite of protection Overcoming issues with different standards Computer serial or COM ports use the RS232 standard This uses a ground and a r...

Page 5: ...m water and dust ingress High retention Type B receptacle USB 1 1 2 0 3 0 compatible there is naturally a lot of vibration in the marine environment which can cause some connections to become loose over time The High retention Type B receptacle on the USG 2 prevents the USB cable from vibrating loose Diagnostic LED s show both Talker Listener activity quickly and easily diagnose potential data tra...

Page 6: ...A and NMEA B connects to NMEA The different NMEA standards The NMEA 0183 specification has slowly evolved over the 30 years since its first inception so connecting one device to another is not always a straightforward matter The early versions of NMEA 0183 before v2 0 as detailed above used RS232 signalling one NMEA data line Tx or Out and ground as the other data line This connection method is re...

Page 7: ... press down on the orange buttons and open the terminal for the wires to be inserted or removed Connecting to NMEA 0183 Devices USG 2 label Connects to Talker A NMEA 0183 Listener RX A or NMEA IN A Talker B NMEA 0183 Listener RX B or NMEA IN B Listener A NMEA 0183 Talker TX A or NMEA OUT A Listener B NMEA 0183 Talker TX B or NMEA OUT B Bi directional Connections If connecting an NMEA 0183 Talker a...

Page 8: ... header from the screwless connector Securing Data Wires To protect against vibration wrap the supplied cable tie around the terminated wires and in line with the groove on the strain relief clip Pull the cable tie tight enough that it secures the data wires to the strain relief clip but not too tight that it begins to crush the wire Power Supply and USB Drivers The USG 2 is powered by the USB con...

Page 9: ...Orange Name Power indicator Receive LED Transmit LED Function Illuminates solid blue when USB driver has successfully loaded and USB port powered Flashes to indicate data is being received on the USG 2 input Flashes to indicate data is being transmitted on the USG 2 output Mounting the USG 2 The USG 2 should be installed in a suitable protected location e g below deck where it will not come in to ...

Page 10: ...d between the USG 2 and the computer The Actisense USB drivers must be installed correctly on the computer before USB power is enabled When an internet connection is available USB driver installation is automatic if not manual installation instructions and USB drivers are available from the Actisense website and on the CD provided Power is present and a Talker is connected but the USG 2 isn t rece...

Page 11: ... 2 0 and 3 0 Electrical isolation 2500V input to ground Speed baud rate 300 to 230400 bps baud Connectivity High retention type B receptacle supplied cable includes a custom USB Type B sealing plug Withdrawal force 1 5Kg Drivers Latest OS Windows XP Vista 7 8 10 MAC OS X supplied on CD Actisense website Mechanical Materials Housing ABS PA 765 flame retardant to UL94 V 0 PCB encapsulant polyurethan...

Page 12: ... 2015 Active Research Limited Page 12 Active Research Ltd Unit 5 Wessex Trade Centre Ringwood Road Poole Dorset UK BH12 3PF Tel 44 0 1202 746682 Email sales actisense com Web www actisense com ...

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