Description
Executive Overview
Tengfei 1-in-4-out NMEA Buffer — The Tengfei 1-in-4-out NMEA Buffer is an optically isolated marine serial signal distributor that splits 1 NMEA 0183 channel into 4 independent RS-422/RS-232 talker outputs with full isolation and surge protection.
Primary Applications & Vessel Suitability
Distributing GPS, gyro, anemometer, or AIS data to multiple bridge listeners including ECDIS, radar, VDR, and autopilot.
Certified Standards & Regulatory Compliance
- IEC 61162-1 / NMEA 0183 Standard
- IEC 60945
Technical Specifications
| Input Channel | 1 Optically isolated NMEA 0183 input port (RS-422/RS-232 compatible) |
|---|---|
| Output Channels | 4 Independent buffered drive ports (RS-422 differential) |
| Isolation Voltage | 2,500V RMS galvanic optical isolation |
| Baud Rate | Supports 4,800, 9,600, 19,200, and 38,400 bps auto-baud pass-through |
| Supply Voltage | 9V to 36V DC wide-range input with surge suppression |
| Status Indicators | Power LED, Input RX LED, and Output TX activity LEDs |
| Enclosure | DIN rail or surface screw mount aluminum chassis |
Global Marine Supply & Technical Support
Supplied, calibrated, and supported globally by Seanav Marine with complete manufacturer warranty, test certification, worldwide express dispatch, and onboard installation support in major ports worldwide.
Manufacturer documentation and compatibility
Select the exact model, hardware generation and document revision. Before ordering, confirm the equipment interfaces, power requirements, required approvals and included accessories against the applicable manufacturer documentation. Send nameplate photographs, the installed equipment details, vessel name, port and ETA with your enquiry.
