Actisense PRO-MUX-2 Multiplexe Professional Type Approved User Manual

Professional Type Approved
NMEA® 0183 Multiplexer
Install/User Manual

PRO-MUX-2 Multiplexe Professional Type Approved

Important Notices
The device to which this manual relates complies with the Electromagnetic Compatibility requirements according to IEC 60945:2002-08, DNVGL-CG-0339:2019 & IACS UR E10 Rev7.
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 © 2021 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 www.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 https://actisense.com /product-registration 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
All Actisense products are provided with a 5 year guarantee upon product registration. To register your product, visit https://actisense.com/productregistration 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.

Introduction

The PRO-MUX-2 is designed to suit the majority of NMEA 0183 systems and is ready to go ‘out of the box’ by simply hard-wiring the two mode inputs as required. The manually configurable basic modes of operation include buffer modes, autoswitch modes, and combine modes. For all other configurations, leaving the mode inputs floating selects the ‘web based’ user configuration mode.
The configuration tool allows full customisation of the PRO-MUX-2, and as the configuration tool is web based it is compatible across all popular Operating Systems.
The PRO-MUX-2 supports a direct Ethernet connection to a PC without the need for a specialised Ethernet crossover cable.

Installation Warnings

All warnings and notices must be followed to ensure the correct operation of the PRO-MUX-2.
Incorrect installation may invalidate the guarantee.
It is highly recommended that all of the installation instructions are read before commencing the installation.
There are important warnings and notes throughout the manual that should be considered before the installation is attempted.
Warning 1: Accuracy.
The Actisense PRO-MUX-2 is designed to accurately transfer data from input to output. When the PRO-MUX-2 is in a Basic Mode no data integrity checking is performed, therefore any incomplete, inaccurate or corrupt data received on a PRO-MUX-2 input will be duplicated to the PRO-MUX-2 outputs. In contrast, PRO- MUX-2 Smart Modes do use the sentence checksum (if available) to remove incomplete and corrupted data, however, the accuracy of the data fields in a valid sentence still remains the responsibility of the NMEA Talker that generated the data.
Warning 2: Installation and Operation.
This product must be installed and operated in accordance with the instructions provided. Failure to do so could result in personal injury, damage to your boat and/or poor product performance.
Warning 3: Installation Code of Practice.
When wiring the power supply to the PRO-MUX-2 ensure the isolation switch is off. Wiring the PROMUX-2 while the connection is live may damage the PRO-MUX-2 and is in breach of the guarantee.
Any connection
to a battery or power supply must meet the mandatory essential safety requirements that may be imposed by local regulatory agencies.
All wiring should be in accordance with the requirements of the NMEA 0400 installation specification.
Warning 4: Mounting Requirements.
Select a flat location to mount the PRO-MUX-2. Mounting on a contoured surface may cause damage to the case.
Do not mount the PRO-MUX-2 while the device is powered, or the cable harness is connected.
Note that the connectors are unplugged easily when mounting or removing the PRO-MUX-2.

Software Updates

The PRO-MUX-2 units have built-in firmware which is held in flash memory, allowing quick and easy upgrades using the latest Actisense Toolkit. It is highly recommended that the firmware is kept up to date in the PRO-MUX-2.
The currently installed PRO-MUX-2 firmware version can be viewed on the PRO- MUX-2 Configuration Tool ‘Home’ page in the ‘Main Application’ section. Details of the latest PRO-MUX-2 firmware version release can be found on the Actisense website’s PRO-MUX-2 ‘Downloads’ page.

Features

• Type-Approved (RINA).
• 8x Configurable Opto-isolated inputs.
• 6x Configurable ISO-Drive™ isolated outputs.
• 1x Bi-directional, configurable, isolated serial port.
• Automatic baud rate matching on inputs.
• Advanced data filtering / routing.
• Free firmware updates making the device “future-proof”.
• 1 x Alarm output relay (N/O and N/C contacts).
• Mode input-pins to set operating mode without the need for a PC.
• Diagnostic LED’s on all inputs and outputs.
• Alarm status LED / Mode LED / Bi-color status LED.
• Panel mountable.
• Using the configuration tool, each NMEA 0183 output can be configured to communicate at independent baud rates.
• Data statistics and load indication via web tool.
• Designed for 12 and 24 Volt supply.
• Pluggable connector system supports both screw and screwless terminals.
• Double Galvanic isolation between all inputs and outputs. Galvanic isolation to battery supply.

NMEA wire colour coding
The wire colours used in this manual are in accordance with the NMEA 0183 specification (v.4.10, June 2014) and are for illustration purposes only. Please ensure you check the wiring colours given in the installation instructions for any devices you wish to interface to the PRO-MUX-2.
Not all manufacturers follow this standard colour coding which can lead to confusion.
Currently, the specified NMEA0183 signal colour coding for individual wires is as follows:

• Talker A – White
• Talker B – Brown
• Listener A – Yellow
• Listener B – Green

PRO-MUX-2 Overview

PRO-MUX-2 Connections

Terminals
The PRO-MUX comes supplied with high quality 2-way and 3-way rising clamp connectors which are tightened with screws.
Screwless spring-loaded connectors are also available as a optional extra and are available via your distributor.

Power Supply Connections

• The PRO-MUX-2 requires a power source providing between 10 to 35 Volts DC.
• The PRO-MUX-2 “+” terminal should be connected to the vessel power supply “+” terminal via the correctly rated fuse (in accordance with the NMEA 0400 installation standard).
• The PRO-MUX-2 “-” terminal should be connected to the vessels DC ground plate.
• The input supply connection has continuous reverse polarity and ESD protection.
• Red and Black wires are shown here as they are the most common designation for power and ground.

Standard Serial Port Connections

• The PRO-MUX-2 serial port connector allows a serial device/adapter to be connected easily.
• The Standard RS-232 wiring designation is as shown below.
• Connect the Tx (pin 3) terminal from your serial device to the PRO-MUX-2 “IN” terminal
• Connect the Rx (pin 2) terminal from your serial device to the PRO-MUX-2 “OUT” terminal
• Connect the GND (pin 5) terminal from your serial device to the PRO-MUX-2 “COM” terminal

N.B Wire colours may vary between 3rd party cables/adapters (Pin numbers refer to a standard DB9 connector)

USB – Serial Port Connections

• Should you require to connect your PRO-MUX-2 to a PC via a USB connection, Actisense have provided a way to achieve this using our USBKIT-PRO (Universal Serial adaptor) which contains a USB-SERIAL converter with the necessary Rx/Tx and GND connections.

Ethernet Connection

• An Ethernet port is provided as a means of correctly configuring your PRO-MUX-2.
• Use either a standard Ethernet patch cable with an RJ45 plug to connect directly to a PC.
• Alternatively, the PRO-MUX-2 can be connected to an Ethernet switch.
• Insert the RJ45 plug into the PRO-MUX-2 “Ethernet” terminal until a click is heard. To remove the RJ45 plug, push down on the locking clip and gently pull the cable away from the “Ethernet” terminal.

Ground Connection

• The PRO-MUX-2 must be properly grounded using the grounding stud provided.
• This connection should be made using a robust crimped connection and routed back to the vessels ‘boat’ ground.

Alarm Connections

• The PRO-MUX-2 alarm functionality provides the vessel operator with two notification methods when potential safety issues are detected during a voyage, allowing remedial action to be performed. Each alarm can be configured to generate and send an NMEA 0183 ALR sentence containing the relevant alarm details to the chosen output, plus the option of triggering the PROMUX-2’s Alarm Relay output that could be connected to a variety of visual or audible alert devices.
  Examples of the three alarm conditions that can be detected are detailed below.

Autoswitch ALARM:

• Multiplexers are often used to add redundancy to a system. GNSS receivers, for example, are often duplicated for safety reasons, however combining data from two devices of the same type in not recommended as the Listener will become confused. This is where the concept of the Autoswitch helps as it will only pass through data from one source/input, starting with the primary data source/input and automatically switching over to the secondary (backup) source/input if the primary data source is deemed no longer valid (e.g. due to equipment failure, cable failure, or in the case of a GPS/VHF, antenna failure). This alarm will trigger when the Autoswitch has switched to the secondary/backup data source, indicating that the system’s redundancy has been lost and the issue affecting the primary data source should be investigated.
• 0183 output example:
• $MXALR,000655,002,PRO||Autoswitch:IN1>IN2

Data Overload ALARM:

• When routing and combining data from multiple inputs into an output, the chance that the volume of buffered data is higher than the bandwidth available to an output is high. In this scenario, the PRO-MUX-2 will intelligently drop whole sentences, avoiding the issue of data corruption that could confuse a Listening device, however random sentence data loss will occur.
  This will trigger the Data Overload alarm, indicating that the routing configuration should be modified to intelligently filter the data volume below what the output can cope with.

• 0183 output example:

• $MXALR,000655,001,PRO||Combine:Data overload

Low Voltage ALARM:

• The PRO-MUX-2 continuously monitors its own battery voltage supply. Should that supply drop below a pre-set level, the Low Voltage alarm will be triggered, indicating that there is an issue with the battery supply to the PRO-MUX-2, potentially giving forewarning of a total battery supply failure.
• 0183 output example:
• $MXALR,000655,001,PRO||Voltage Alert:PWR:10.2V
• Note: the “” value in the examples above will be replaced with the unique serial number of the PRO-MUX-2 device that sent the alarm sentence, allowing the operator to uniquely identify the unit.

Monitoring Alarm Connections

• The triggering of these alarms may be monitored in several ways, depending upon the user’s requirements.

• NMEA 0183 Alarm (ALR) sentences will typically be sent to a Multi Function Display (MFD) capable of displaying the contents of the ALR sentence, allowing the user to interpret the source and act accordingly.
  These alarm message could also be sent to a Voyage Data Recorder device (if available) or a Wi-Fi Gateway allowing remote monitoring.

• The Alarm Relay contacts can be connected to a wide range of audible and/or visual alarm devices in order to notify the operator that an alarm event has occurred. On larger vessels, with a bridge monitoring system, the Alarm Relay contacts can be wired into the overall monitoring system for the vessel, allowing these alarm conditions to viewed in a central place along with any other alarms. Please consult the instruction manual of any monitoring system to see how this would be achieved.

• The Alarm contacts have a common connection (COM) and an ‘NO’ (normally open) and NC (normally closed) connector to suit your requirements for alarm installation. See page 6 for alarm contact connector position.

PRO-MUX-2 “Listener” Connections
The PRO-MUX-2 has 8 input connections, labelled IN-1 to IN-8.

• Inputs are labelled ‘A’ and ‘B’ in line with the NMEA specification for labelling NMEA0183 signal pairs.
• If your “TALKER” follows the NMEA wire colour convention, the wires should be coloured as follows:
• TALKER ‘A’/+ : WHITE
• TALKER ‘B’/- : BROWN
• If your wire colours do not follow the NMEA convention, you will need to consult your device manual and find which wire colours corrrespond to ‘A’/+ and ‘B’/- and attach accordingly.
• If your “talker” device has only ‘A’ and ‘GND’ output wires, connect the ‘GND’ wire to ‘B’/-

PRO-MUX-2 “Talker” Connections
The PRO-MUX-2 has 6 output connections, labelled OUT-1 to OUT-6

• Outputs are labelled ‘A’ and ‘B’ in line with the NMEA specification for labelling NMEA0183 signal pairs.
• If your “LISTENER” follows the NMEA wire colour convention, the wires should be coloured as follows:
• LISTENER ‘A’/+ : YELLOW
• LISTENER ‘B’/- : GREEN
• If your wire colours do not follow the NMEA convention, you will need to consult your device manual and find which wire colours correspond to ‘A’/+ and ‘B’/- and attach accordingly.
• The shield from each listener should be connect- ed to the ‘GND’ connector on the output terminal.
• The RF ground stud should be connected to the vessels RF ground plate using a minimum conductor size of 8 AWG in accordance with the NMEA 0400 installation standard. Use a crimped connector to securely bond the RF wire.

Operating Modes
The PRO-MUX-2 can be configured manually using the ‘Mode’ pins (also referred to as ‘hard-wiring’) or user configured via the Configuration Tool. Manually configuring the PRO-MUX-2 takes priority over any user configuration. An internet connection is not required to access the configuration tool.
Hard-wiring the operating modes
Connect the mode pins on the device to the power input pins as indicated in the table below. A wire of 22-24 AWG will be sufficient for this purpose.

Combine 1

| Inputs 1-8 Output baud rates follow Input 1| |

Outputs 1-6

| –|

N/C

|

1

Combine 2

| Inputs 1-8 Output baud rates follow Input 2| |

Outputs 1-6

| +|

N/C

|

2

Autoswitch

| Smart Autoswitch Input 1 or 2 Output baud rates follow Input 1 baud rate 2000ms Switch delay| |

Outputs 1-6

|

N/C

| –|

3

User Defined – ‘User 1’

|

PC/Remote Custom Configuration

| –| –|

4

User Defined – ‘User 2’

|

PC/Remote Custom Configuration

|

N/C

| +|

5

User Defined – ‘User 3’

|

PC/Remote Custom Configuration

| +| +|

6

User Defined – ‘User 4’

|

PC/Remote Custom Configuration

| –| +|

7

User Defined – ‘User 5’

|

PC/Remote Custom Configuration

| +| –|

8

Web Browser Configuration

• The web-based configuration tool for the PRO-MUX-2 is built in, and can be accessed using the ethernet configuration port (see page 7).

• As it is web-based, the configuration tool is compatible with all popular web browsers and operating systems.

• NOTE: An internet connection is not required to access the configuration tool. Standard Ethernet Networks

• If the PRO-MUX-2 is connected to an ethernet network containing both DHCP and DNS servers, launch any of the popular web browsers.

• Replacing ‘xxxxxx’ with the serial number of your PRO-MUX-2, type the following command into the address bar.
  http://promux-xxxxxx

• The following web-page will now be displayed allowing configuration of the PRO-MUX-2

• Please see PRO-MUX-2 Configuration manual for full details regarding set-up.

Direct connection or basic ethernet networks

• If the PRO-MUX-2 is connected directly to a PC, or the ethernet network does not have a DHCP server, the PRO-MUX-2 will communicate using the auto-IP by default.

• A standard Ethernet cable can be used for the connection to your PC. The PRO-MUX-2 will automatically detect this.
  You do not require a cross-over cable.

• The auto-IP process can take up to 60 seconds to complete.

• The PC’s ‘Local Area Connection’ must also be set-up to use auto-IP in order to communicate on this network. Most PC’s are set-up to do this by default. If needed, instructions on how to do this using Windows 10 are detailed overleaf (other Windows operating systems will be similar).
  NOTE: Administrator privileges are required to carry out these modifications.

• Once the PC and PRO-MUX-2 are using the same IP address range, launch any popular web browser.

• Replacing ‘xxxxxx’ below with the serial number of your PRO-MUX-2, type the following command into the address bar.
  http://promux-xxxxxx

• The web-page shown above will now be displayed allowing configuration of the PRO-MUX-2.

Configuring ‘Local Area Connection’

• Search for ‘Network Status’ on your PC and open the ‘Network Status’ menu
• In the ‘Network Status’ menu, under ‘Advanced Network Settings’, select ‘Change Adapter Options’
• ‘Right-click’ on your ‘Local Connection’ and select ‘Properties’
• Select ‘Internet Protocol Version 4(TCP/IPv4)’ and leave the box on the RHS checked.
• Click on ‘Properties’

Configuring ‘Local Area Connection’ (cont’d)

• Under the ‘General’ tab in ‘Properties’ make sure that:
• ‘Obtain an IP address automatically’ is selected.
• ‘Obtain DNS server address automatically’ is selected.
• Under the ‘Alternate Configuration’ tab make sure that:
•  ‘Automatic private IP address’ is selected
• Click ‘OK’ to accept these changes, and close the ‘local connections window’

Troubleshooting Guide

First level PRO-MUX-2 diagnostics / fault finding can be performed by observing the LED behaviour.
The normal behaviour of the PRO-MUX-2 LEDs is described on the next page. If the LEDs are not behaving as expected, this will indicate a fault in either the device connected to the PRO-MUX-2, the wiring/connections, or the PRO- MUX-2 itself.
Some common checks to perform on all terminals of the PRO-MUX-2 if the correct LED behaviour is not displayed:

• Connectors are fully inserted
• All pins of the connector are in the correct location (not overlapping into another port position)
• Wires are terminated firmly and correctly (check polarity)

IN (INCLUDING ‘SERIAL IN’)

| Green| Flashing| Data available on input indicated by LED.| No action required
–| Off| No data available on this input or autobaud detection in progress (up to 20 seconds)| Check if connected Talker is sending

data. If it is, review configuration.

OUT (INCLUDING ‘SERIAL OUT’)| Orange| Flashing/ solid| Flashes at a rate determined by baud rate and data length. If available bandwidth is nearly full, LED may appear solid instead of flashing| None required
STATUS|

Red

|

Flashing / solid

| Buffer Full – Overload condition, sentences are being dropped.| Use a web browser to review configura- tion and correct overload condition.
Yellow| Flashing / solid| Warning, buffer is filling. Duplicate deletion is managing to maintain output capacity by delet- ing older copies of sentences| Review configuration to understand the required rates of sentences which is acceptable to any connected device
Green| Flashing / solid| Normal operation. No data issues.| No action required
–| Off| No data passing through outputs. Either no input data, or if IN LED is active it means all data is blocked.| Check if the connected Talker is sending

data. If it is, review configuration.

Ethernet

| Green| Flashing| Data activity on the Ethernet port| No action required

Yellow

| On| Indicates line speed at 100Mbps|

No action required

Off| Indicates line speed at 10Mbps
–| Off| No data available| Check that the Ethernet network is oper- ational.
ALARM| Red| On| Indicates alarm conditions have been met.| Review status page in browser to under- stand alarm source.
MODE| Green| Pulsing / Flashing| Pulsing – User defined mode selected, Flashing – Pre-defined operating mode select- ed according to mode pins. Number of flashes = operating mode number| No action required
PWR and STATUS
(Combined)| Power = blue Status = red| Power = on (solid) Status = on (solid)| Critical HW Error Both Power & Status LEDs are solid| Return to manufacturer if this persists after a power reset

Technical Specification

Power Supply

Input Supply Voltage| 10 to 35 V DC
Input Supply Current| 220mA max @ 12V DC (all outputs @ full drive into 100 ohm loads)
Input Protection| Continuous reverse polarity, transient overvoltage and ESD protection
Power Indicator| LED, Blue – indicates unit is functioning correctly
Input Supply Connector| Pluggable 2-way screw terminal, 5.08mm pitch (12 to 30 AWG)
NMEA 0183 Port – Listener & Talker
Number of Listener / Input Ports| 8 isolated NMEA 0183 Listeners
Number of Talker / Output Ports| 6 isolated NMEA 0183 Talkers
Compatibility| Fully NMEA 0183, RS422 & RS232 compatible. RS485 Listener compatible
Speed / baud rate| 4800 to 38400 bps
Talker Output Voltage Drive| >= 2.2V (differential) into 100 ohm
Talker Output Current Drive| 20 mA maximum per output
Talker Output Protection| Short circuit and ESD
Talker Data Indicator| LED, Orange (Flashes at data rate)
Listener Input Voltage Tolerance| -15 V to +15 V continuous, -35 V to +35 V short term (< 1 second)
Listener Input Protection| Current limited, overdrive protection to 40 VDC and ESD protection
Listener Data Indicator| LED, Green (Flashes to indicate valid input)
Connectors| Pluggable 2/3-way screw terminals, 5.08mm pitch (12 to 30 AWG)
Serial Port
Compatibility| RS422 & RS232 compatible. RS485 Listener compatible
Speed / baud rate| 4800 to 115200 bps
Output Voltage Drive| >= 2.1V (differential) into 100 ohm
Output Current Drive| 20 mA max.
Output Protection| Short circuit and ESD
Input Voltage Tolerance| -15 V to +15 V continuous, -35 V to +35 V short term (< 1 second)
Input Protection| Current limited, overdrive protection to 40 VDC and ESD protection
Data Indicators| LED’s: Green = Receive, Orange = Transmit
Connectors| Pluggable 3-way screw terminals, 5.08mm pitch (12 to 30 AWG)
Ethernet Port
Host Interface| 10/100BaseT, automatic polarity detection

Supported Protocols

| TCP/IP for configuration and firmware updating
TCP/IP and UDP for NMEA 0183 comms
Indicators| Green = Link/Activity, Yellow = 100 Mbps
Connector| RJ45
Isolation
NMEA 0183 Listener| OPTO-Isolated, Hi-Pot tested to 1000V
NMEA 0183 Talker| Uses IsoDrive™, Hi-Pot tested to 1000V
Serial Port| Uses IsoDrive™, Hi-Pot tested to 1000V
Alarm Relay| Hi-Pot tested to 1000V
Ethernet Port| 2kV for 60s
Mode Inputs

Input Voltage Range| 0 to 35V DC
Protection| Transient overvoltage and ESD protection
Connectors| Pluggable 2-way screw terminals, 5.08mm pitch (12 to 30 AWG)
Alarm Output
Contacts| Common, Normally Open and Normally Closed
Alarm Indicator| LED, Red indicates a valid alarm condition
Contact Ratings| 35VAC / 50VDC
Connectors| Pluggable 3-way screw terminals, 5.08mm pitch (12 to 30 AWG)
Mechanical
Housing Material| 316 Stainless Steel
Dimensions| 210mm (W) x 128mm (H) x 27mm (D)
Weight| 540g
Mounting| Bulkhead mount or DIN rail mount (DIN kit 1)
Approvals and Certifications
EMC| IEC 60945:2002-08, DNVGL-CG-0339:2019 & IACS UR E10 Rev7
Compass Safe Distance| 175mm
Type Approval Certificate| RINA
Operating Temperature| -25 to +70°C
Storage Temperature| -40 to +85°C
Relative Humidity (RH)| 95% @ 55°C
Environmental Protection| IP40
Guarantee| 3 years (5 Years if registered)

PRO-MUX-2 Dimensions

Technical Support and the returns procedure

All installation instructions and any warnings contained in this manual must be followed before contacting Actisense Technical Support. If the troubleshooting guide did not help resolve the problem and an error persists, please contact Actisense Technical Support to help trace the issue before considering the return of the product.
If the Actisense support engineer concludes that the PRO-MUX-2 unit should be returned to Actisense, a ‘Return Merchandise Authorisation’ (RMA) number will be issued by the support engineer.
The RMA number must be clearly visible on both the external packaging and any documentation returned with the product. Any returns sent without an RMA Number will incur a delay in being processed and a possible charge. Any cables originally supplied with the product are to be included in the returned box.

Active Research Ltd
21 Harwell Road
Poole, Dorset
UK BH17 0GE
Telephone: +44 (0)1202 746682
Email: sales@actisense.com
Web: www.actisense.com
Active Research Ltd 2022

References

• Actisense | Marine Network Technology & Vessel Monitoring
• Actisense | Marine Network Technology & Vessel Monitoring
• Product CAD Files - Actisense
• Product Registration - Actisense Award-Winning NMEA Specialists

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