Rail-mounted Fiber Optic to Serial Converter 1x100M Fiber Ports to RS-232/485/422 Auto-Sensed Ports
High-Performance & Dependable Ethernet Equipment for modern IoT & connectivity
- Dual RS-485 Channels (1 RS-422) + 1 RS-232 Channel
- Adaptive Single-Mode Fiber Optic Support
- Zero-Latency Automatic Data Forwarding
- Asynchronous Transmission for Point-to-Multipoint Applications with RS-485 to Fiber Conversion
- Auto-Detection of Serial Port Speed, Data Direction Discrimination, and Control
- Maximum Communication Rate: 0-115.2 Kbps
- Wide Voltage Input: DC 12-57V with External Power Supply
- Default SC Optical Interface
- Operating Wavelength: 1310nm/1550nm
- Surge Protection: 1500W, ESD Protection: 15KV
- Communication Distance: Up to 2km (Multi-Mode), 20-120km (Single-Mode)
- RS-485 Support for 32-Point Polling (128-Point Customizable)
- Applications: Industrial Automation Control, Access Control, One-Card Systems, Parking Systems, etc.
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Quality Certifications
Description
The SH-G277 is a high-performance communication device engineered to convert RS485, RS422, and RS232 serial signals into optical signals for seamless transmission over fiber optic networks; it not only ensures stable, low-latency data transfer but also boasts excellent anti-interference capabilities—effectively resisting electromagnetic interference (EMI) and radio frequency interference (RFI) common in complex industrial environments, which avoids data loss or signal degradation during transmission. This versatility and reliability make it an ideal choice for applications across industrial automation (e.g., connecting remote sensors to control systems), smart buildings (linking HVAC or access control devices), security monitoring (transmitting data from IP cameras to central hubs), and other fields where stable, long-distance serial-to-fiber communication is critical.
RS-485 Data Characteristics
| Parameter | Specification |
|---|---|
| RS-485 Signals | T+, T-, R+, R- |
| Fiber Optic Signals | IN, OUT |
| Operation Mode | Asynchronous, Point-to-Point |
| Direction Control | Automatic data flow control technology, automatically discriminates and controls data transmission direction |
| Baud Rate | 0-115,200 Kbps, Auto-detects signal rate |
| Fiber Optic Wavelength | 1310nm/1550nm |
| Electrical Port Transmission Distance | 1000 meters for RS-485 port |
| Optical Port Transmission Distance | 20-120 kilometers for single-mode |
| Interface Protection | 600W Surge Protection, 1500V ESD Protection |
| Load Capacity | RS-485 port supports 32 nodes |
| Electrical Port Type | 7-pin Terminal Block |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Application Scenarios | Supports multi-channel data, compatible with all control keyboards, matrix protocols, hard disk recording PTZ, alarm composite data, industrial application transmission |
| Physical Interface | Industrial terminal block (standard), RJ45 (customizable) |
| Data Rate | DC-250 Kbps |
| Data Error Rate | Less than 10E-12 |
| Maximum Number of Nodes | 32 |
| Maximum Distance | 1200m |
| Electrical Port Transmission Distance | 1000 meters for RS-485 port |
| Optical Port Transmission Distance | 20-120 kilometers for single-mode |
| Data Protocol | Fully transparent support for any RS-232 protocol, including RS-232 polling or Modbus protocol |
| Network Connection Mode | Supports bidirectional full-duplex |
| Physical Interface Terminal | Industrial terminal block |
RS-232 Data Characteristics
| Parameter | Specification |
|---|---|
| Operating Temperature | -30°C to 75°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5% to 95% |
| Weight | 1KG |
| Input Power | Wide range: AC220V/DC12-57V |
| Power Consumption | 12W |
Additional Information
Customize & Inquiry
We offer customized IoT Ethernet devices and quotes based on your order quantity. For customization or purchase needs, please send your requirements to us.
Product Datasheet
We provide the data sheet for our IoT Ethernet devices (including specs and protocol support) to help you check project compatibility. Add to cart for instant access.
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