I/O NMEA Serial Over Ethernet Gateway
NM-431MP
Power Supply
12/24 VDC
Input Ports
4 x isolated NMEA0183®
Output Ports
3 x RS422/TTL + 1 x RS232 (Shared with Input 1)
The NM-431MP is a multiport I/O interface featuring 4 optically isolated input ports, 3 RS422 signal level output ports, 1 RS232 signal level I/O port (shared with input 1) and a Serial over Ethernet I/O Interface It is intended for use with computer based marine systems such as ECDIS, SVDR/VDR and Conning systems where NMEA-0183 data must be acquired from multiple sources such as GPS, Gyro, Log, AIS, Radar ARPA, Echo Sounder, Wind instrument and BNWAS The connection to the computers is achieved via the Serial over Ethernet Interface with the use of a single CAT5 cable, either by creating four virtual serial ports or directly to four user selectable UDP sockets for application supporting this feature
Specifications
| Power Supply | 12/24 VDC |
| Input Ports | 4 x isolated NMEA0183® |
| Speed/Baud Rate | 4800 to 115200 bps |
| Output Ports | 3 x RS422/TTL + 1 x RS232 (Shared with Input 1) |
| Network Interface | 1 x Ethernet (Serial over Ethernet) |
Features & Functions
- 4 x Optically Isolated Inputs NMEA0183®
- 3 x RS-422 Outputs plus 1 Shared RS-232 I/O port
- 8 x Serial Ports Total for comprehensive system management
- Serial over Ethernet — connects all data via a single CAT5 cable
- Virtual Ports — creates up to 4 virtual serial ports/UDP sockets for PC applications
- Essential for ECDIS, VDR, and Conning Systems
- Supports data rates up to 115200 bps
- Fully compliant with IEC 60945 (Marine Standard)