Category
Desktop-type 1-channel Bidirectional Single-fiber Single-mode SC 20km Universal RS-485/422 Interface Asynchronous Fiber Modems
Product Highlights
* Zero-delay automatic forwarding
* Adaptive single-mode optical fiber
* Asynchronous transmission, point-to-point application, RS485 interface and fiber optic conversion
* Automatically detect the serial port rate, distinguish and control the direction of data transmission
* The interface offers 1500W surge protection and 15KV electrostatic protection
* DC 5V voltage input, external power supply
1-channel Bidirectional Universal RS-485/422 Interface Asynchronous Fiber Modem（Data terminal, Single-mode, Single-fiber, 20KM, SC, Desktop-type）
Specifications
| Product name | RS485 Bidirectional Data Optical Transceiver |
Product model | HTDV-RS485SM |
Optical fiber type | Single-fiber single-mode |
| Fiber optic wavelength | 1310nm/1550nm |
| Transmission distance | 0 - 20KM |
Optical fiber interface | SC / FC optional |
Data interface | Industrial terminal |
Power supply voltage | DC-5V |
| Working temperature | -40℃ to 70℃ |
| RS-485 signal | T+, T-, GND |
| Installation method | Desktop installation |
TheRS485 bidirectional data optical transceiver is perfectly compatible with the RS485 bus protocol, enabling bidirectional transmission of serial port data and optical fiber signals. There is no need to modify the original equipment programs and communication parameters. RS485 bidirectional data optical transceiver can directly connect to industrial devices such as PLC, access control controllers, and temperature and humidity sensors.
2. Long-distance fiber optic transmission, breaking through limitations
TheRS485 bidirectional data optical transceiver addresses the pain point of the traditional RS485 cable transmission limit of 1200 meters, with single-mode fiber optic transmission distance reaching 20-120 kilometers, and multi-mode reaching 500m - 2km, meeting the long-distance communication needs of remote industrial measurement and control, security networking, etc.
TheRS485 bidirectional data optical transceiver's fiber medium completely isolates electromagnetic interference, radio frequency interference and lightning surges, making it suitable for strong interference scenarios such as factory workshops, mines, and outdoor base stations; with a wide temperature range design (-40℃ to +70℃), RS485 bidirectional data optical transceiver is equipped with overvoltage, overcurrent, and anti-static protection to ensure the equipment operates stably throughout the day.
4. Flexible networking, adaptable to diverse scenarios
TheRS485 bidirectional data optical transceiver supports various networking methods such as point-to-point, point-to-multipoint (bus type), and star topology, suitable for different on-site topologies; baud rate is adaptive (up to 115.2 Kbps), and it is compatible with half-duplex/full-duplex communication modes.
5. Plug-and-play, easy deployment and operation
TheRS485 bidirectional data optical transceiver does not require professional technical debugging. Just connect the serial port and optical interface, and it can start transmitting immediately; RS485 bidirectional data optical transceiver supports hot swapping, ensuring that equipment maintenance does not interrupt system operation; it is equipped with power supply, optical path, and data status indicator lights, enabling quick fault location.
TheRS485 bidirectional data optical transceiver adopts industrial-grade chips and lightning protection circuitry. It has excellent shock and vibration resistance, and can be directly embedded in industrial control cabinets for installation. It is suitable for remote monitoring scenarios without human intervention, reducing the cost of manual maintenance.
In today's era of rapid industrial intelligence development, the stability, security and long-distance transmission capabilities of data have become the core demands of industrial communication. RS485 bidirectional data optical transceivers, as the bridge between RS485 devices and fiber networks, have completely solved the problems of short transmission distance, weak anti-interference ability and packet loss of traditional RS485, with industrial-grade quality, flexible networking methods, and convenient installation and maintenance, providing reliable guarantees for industrial communication in various industries.
As a professional manufacturer of RS485 bidirectional data optical transceivers, we always follow the customer's needs and continuously optimize the product performance, providing customized solutions to help customers upgrade their industrial communication, reduce operation and maintenance costs, and enhance production efficiency. Whether you need standard model products or personalized customization requirements, we will offer you high-quality products and considerate services, working together for mutual benefit and promoting the development of industrial intelligence.
Panel indicator lights
Connection method
Product application
Access Control System
Barrier Gate System
Security Monitoring
Traffic Control & Management
LED Screen Control
POS Card Swiping & Network System
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