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The NSR NND-500 is a marine NMEA data distributor and buffer designed to receive navigation data from one input source and distribute it to four output devices.
It supports NMEA and AD-10 data formats and uses RS-485/RS-422 communication interfaces. The built-in optical-coupled isolator provides electrical isolation for reliable onboard operation and helps protect connected equipment against electrical interference.
The unit is suitable for distributing navigation data between compatible marine equipment such as GPS, gyrocompass, AIS, radar and ECDIS.
1 input and 4 independent outputs.
Supports NMEA and AD-10 data formats.
RS-485 / RS-422 interface.
Baud rates up to 38,400 bps.
Built-in optical-coupled isolation.
Low power consumption.
Compact marine installation design.
| Specification | Details |
|---|---|
| Make | NSR (New Sunrise Co., Ltd.) |
| Model | NND-500 |
| Product Name | NMEA Distributor |
| Equipment Type | Marine NMEA Data Distributor / Buffer |
| Application | Marine Navigation Data Distribution |
| Data Interface | RS-485 / RS-422 |
| Communication Standards | IEC 61162-1, IEC 61162-2, NMEA 0183 |
| Number of Inputs | 1 Input |
| Number of Outputs | 4 Outputs |
| Data Format | NMEA / AD-10 |
| Operation Mode | Semi-duplex |
| Baud Rate | 4,800–38,400 bps |
| Default Baud Rate | 4,800 bps |
| Power Supply | DC 24 V |
| Rated Current | 30 mA |
| Power Consumption | Approx. 0.72 W |
| Isolation | Built-in Optical-Coupled Isolator |
| Dimensions (H × W × D) | 40 × 210 × 140 mm |
| Operating Temperature | −15°C to +55°C |
| Relative Humidity | Not specified |
| Protection Rating | Not specified |
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