NDC-4 NMEA Multiplexer
Combine multiple sources of NMEA 0183 data into a single stream.
Flexible and powerful enough to be the heart of a simple system, or one of many Actisense products in a more complex system.
PLEASE NOTE: The NDC-4 has been replaced by the PRO-NDC-1E.
The Actisense NDC-4 allows up to five NMEA 0183 sources to be multiplexed into a single stream*.
Two flexible ISO-Drive outputs allow two different downstream talker baud rates to be created, ensuring maximum system flexibility.
It provides complete access to all NMEA 0183 data sources, configurable filters to remove unwanted data using NDC Control Centre, as well as enabling an on-board PC to read and add the combined data stream.
Factory preconfigured versions enable the NDC-4 to be used out of the box for AIS operation (NDC-4-AIS). An ‘autoswitch’ option is also available (NDC-4-ASW) to provide redundancy options to your NMEA 0183 network.
*Four inputs on the USB version, as the USB interface acts as the fifth channel, overriding the fifth OPTO input.
Ordering Information
(Part number/s)
NDC-4
Looking for an even more powerful NMEA 0183 multiplexer? Discover the PRO-MUX-1…
- Multiplex up to five NMEA 0183 devices
- Filter unwanted data leaving you with only what you need
- Preconfigured versions for AIS (NDC-4-AIS) and Autoswitch (NDC-4-ASW) operation
- USB option available for simple connection to a PC (NDC-4-USB)
- USB kit (NDC-4-USBKIT) converts standard NDC-4 to an NDC-4-USB
| Power Supply | |
| Supply Voltage | 8-35 V |
| Supply Current | 40 mA max @ 12V DC under no load |
| Power Supply (USB) | |
| Supply voltage | 4.75-5.25 V |
| Supply current | 75 mA max |
| NMEA0183 Port – Listeners & Talkers | |
| Number of Listener / Input Ports | 5 Isolated NMEA 0183 Listeners (4 when using USB) |
| Number of Talker / Output Ports | 2 Isolated NMEA 0183 Talkers |
| Compatibility | Fully NMEA 0183, RS422 & RS232 compatible. RS485 Listener compatible |
| Listener Input Voltage Tolerance | -15V to +15V continuous, -35V to +35V short term (<1 second) |
| Listener Input Protection | Current limited, overdrive protection to 40V DC |
| Talker Output Voltage drive | >= 2.2V (differential) into 100Ω |
| Talker Output current at max load of 100 ohm | 21 mA |
| Talker Output short circuit current | 50-55 mA |
| Talker Output Protection | Short circuit and ESD |
| Connectors | 2-way Screw Terminals, 5.08mm pitch |
| Speed / Baud Rate | |
| Listener Ports 0 & USB | 4800 – 115200 bps |
| Listener – Ports 1, 2 & 3 | 4800 – 57600 bps |
| Listener – Port 4 | 4800 bps |
| Talker 0 & 1 | 4800 – 115200 bps |
| Mechanical | |
| Housing Material | Polycarbonate, Light Grey |
| Lid Material | Polycarbonate, Clear |
| Gasket Material | EPDM Synthetic Rubber |
| Gland Clamping Range | 4.5-10mm |
| Dimensions (Including Cable Glands) | 132mm (W) x 108mm (H) x 55mm (D) |
| Weight | 190g |
| Mounting | Bulkhead Mount |
| General | |
| Operating Temperature | -20 to +70 °C |
| Storage Temperature | -40 to +85°C |
| EMC | EN60945:2002 (Section 9 & 10) |
| IP Rating | IP66 |
| Guarantee | 3 Years (5 Years if registered) |
Here are some Frequently Asked Questions about the NDC-4.
Need more help? Visit our Support Centre.
Actisense is dedicated to providing up-to-date software and resources for our products. Here are some useful tools and documentation to help you make the most of your product:
The Actisense NDC-4 allows up to five NMEA 0183 sources to be multiplexed into a single stream*.
Two flexible ISO-Drive outputs allow two different downstream talker baud rates to be created, ensuring maximum system flexibility.
It provides complete access to all NMEA 0183 data sources, configurable filters to remove unwanted data using NDC Control Centre, as well as enabling an on-board PC to read and add the combined data stream.
Factory preconfigured versions enable the NDC-4 to be used out of the box for AIS operation (NDC-4-AIS). An ‘autoswitch’ option is also available (NDC-4-ASW) to provide redundancy options to your NMEA 0183 network.
*Four inputs on the USB version, as the USB interface acts as the fifth channel, overriding the fifth OPTO input.
Ordering Information
(Part number/s)
NDC-4
Looking for an even more powerful NMEA 0183 multiplexer? Discover the PRO-MUX-1…
- Multiplex up to five NMEA 0183 devices
- Filter unwanted data leaving you with only what you need
- Preconfigured versions for AIS (NDC-4-AIS) and Autoswitch (NDC-4-ASW) operation
- USB option available for simple connection to a PC (NDC-4-USB)
- USB kit (NDC-4-USBKIT) converts standard NDC-4 to an NDC-4-USB
| Power Supply | |
| Supply Voltage | 8-35 V |
| Supply Current | 40 mA max @ 12V DC under no load |
| Power Supply (USB) | |
| Supply voltage | 4.75-5.25 V |
| Supply current | 75 mA max |
| NMEA0183 Port – Listeners & Talkers | |
| Number of Listener / Input Ports | 5 Isolated NMEA 0183 Listeners (4 when using USB) |
| Number of Talker / Output Ports | 2 Isolated NMEA 0183 Talkers |
| Compatibility | Fully NMEA 0183, RS422 & RS232 compatible. RS485 Listener compatible |
| Listener Input Voltage Tolerance | -15V to +15V continuous, -35V to +35V short term (<1 second) |
| Listener Input Protection | Current limited, overdrive protection to 40V DC |
| Talker Output Voltage drive | >= 2.2V (differential) into 100Ω |
| Talker Output current at max load of 100 ohm | 21 mA |
| Talker Output short circuit current | 50-55 mA |
| Talker Output Protection | Short circuit and ESD |
| Connectors | 2-way Screw Terminals, 5.08mm pitch |
| Speed / Baud Rate | |
| Listener Ports 0 & USB | 4800 – 115200 bps |
| Listener – Ports 1, 2 & 3 | 4800 – 57600 bps |
| Listener – Port 4 | 4800 bps |
| Talker 0 & 1 | 4800 – 115200 bps |
| Mechanical | |
| Housing Material | Polycarbonate, Light Grey |
| Lid Material | Polycarbonate, Clear |
| Gasket Material | EPDM Synthetic Rubber |
| Gland Clamping Range | 4.5-10mm |
| Dimensions (Including Cable Glands) | 132mm (W) x 108mm (H) x 55mm (D) |
| Weight | 190g |
| Mounting | Bulkhead Mount |
| General | |
| Operating Temperature | -20 to +70 °C |
| Storage Temperature | -40 to +85°C |
| EMC | EN60945:2002 (Section 9 & 10) |
| IP Rating | IP66 |
| Guarantee | 3 Years (5 Years if registered) |
Here are some Frequently Asked Questions about the NDC-4.
Need more help? Visit our Support Centre.
Actisense is dedicated to providing up-to-date software and resources for our products. Here are some useful tools and documentation to help you make the most of your product:
