MXA-5000 - Dual Channel AIS Receiver

AIS Dual Channel Receiver
The MXA-5000 dual channel AIS (Automatic Identification System) receiver allows boat owners to receive AIS information (both Class A and Class B AIS signals) on two channels simultaneously and outputs this real-time information to a computer, radar or a chart plotter, thus aiding navigation and collision avoidance.

WHAT IS AIS?
AIS (Automatic Identification System) provides a vessel’s navigation information, in real-time, to the vessel traffic center such as Port Control of Coastguard Centre or other nearby ships by using digital data over VHF channels. SOLAS vessels are obligated to install an AIS transponder under SOLAS regulations.

An AIS transponder sends navigation information such as:

- Vessel details — Vessel call sign, name, MMSI number, dimensions, type
- Voyage-Related Information — cargo type, destination and estimated time of arrival
- Dynamic Information — latitude/longitude position, course over ground, speed over ground, heading, rate of turn, navigational status.

Since AIS (Automatic Identification System) was introduced it has been rapidly taken up as an essential safety aid. Today with the introduction of the MXA-5000 dual channel AIS receiver, owners of leisure and small craft can benefit from this safety technology.

The MXA-5000 dual channel AIS receiver allows boat owners to receive AIS information (both Class A and Class B AIS signals) on two channels simultaneously and outputs this real-time information on a computer, radar or a chart plotter, thus aiding navigation and collision avoidance.

FEATURES

Ideal for a wide range of users
These include leisure and commercial boatowners, professional maritime users such as port management, harbour masters, marina management and anyone with an interest in maritime/shipping activity.

Dual channel receive capability
The MXA-5000 receives both Ch. 87B (161.975MHz) and Ch. 88B (162.025MHz) simultaneously which improves the accuracy of data received. This dual channel receive capability makes the MXA-5000 more flexible for obtaining AIS information from transmitters that operate on only one of the AIS channels.

Third party navigation equipment connection
The MXA-5000 has an IEC 61162-1 standard (38,400 bps) interface that uses a RS-422 balanced connection for third party navigation equipment. This allows navigation equipment such as a radar or GPS chartplotter, which accept the VDM sentence format, to show the AIS data on the display.

PC connection
The MXA-5000 has an RS-232C unbalanced connection for PC connection. When used with AIS plotter software, the MXA-5000 allows you to monitor vessels traffic from a PC whether on Land or Sea.

GPS input
When installing the MXA-5000 to a vessel, the MXA-5000 can be connected between GPS receiver and navigation equipment for data input and output. The GPS position information such as RMC, GGA, GNS and GLL formats can be multiplexed with AIS data (VDM format).

Built in Antenna Splitter
If you already have a radio antenna installed, there’s no need for adding additional antennas, or to buy expensive after market splitters. The MXA-5000 splits the input signal for RX and protects itself when the radio transmits.

Compact size and light weight body
The MXA-5000 has only 132(W)×34(H)×155(D) mm dimensions and weighs only 400g for easy and flexible installation.

Please Note
To use the MXA-5000 with a Raymarine product you will need to purchase a multiplexer, available from all good Marine Electronic Dealers

SPECIFICATIONS

General

• Frequency coverage : 161.975MHz (Ch 87B) and 162.025MHz (Ch 88B) Simultaneous receive
• Receive emission : 16K0F1D (GMSK) designator
• Antenna impedance : 50Ω • Usable temperature range: –20˚C to +60˚C ; –4˚F to +140˚F
• Power supply requirement: 12.0V DC (10.8–15.6V)
• Current drain (12.0V DC) : 0.25A
• Weight (approx:) : 400g; 14.1oz | Mounting brackets attached 460g; 1.0lb

Receiver

• Sensitivity: –116dBm typ.
• Adjacent Ch selectivity: More than 70dB
• Spurious response: More than 70dB
• Intermodulation: More than 65dB
• Hum and noise ratio: More than 40dB
• Conducted spurious: Less than –57dBm emission

Data Interface

• Data Input Interface: IEC 61162-1:2000 (4,800bps) | Sentence format: RMC, GGA, GNS, GLL | Input level: Less than 2mA
• Data Output Interface : IEC 61162-2 (38,400bps)
  • To navigation equipment: RS-422 balanced | Sentence format: VDM | Output level: 5V, 40mA Max
  • To PC: RS-232C unbalanced | Sentence format: VDM | Output level ±5V, ±35mA typ.

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