Ⅰ. Core Challenges
The new-generation smart highway lane monitoring system uses fiber switches for core data transmission. Highway sections stretch several to dozens of kilometers with numerous cameras, requiring zero packet loss under full load and sufficient link bandwidth.
Network devices are placed in roadside cabinets, where the internal temperature can exceed 60°C in summer. Poor heat resistance of optical modules will lead to packet loss, transmission failures and missing surveillance videos, resulting in economic losses and potential traffic safety hazards due to delayed real-time road monitoring.
II. Key Specifications for Industrial-Grade Optical Modules
1️⃣ Wire-Speed Forwarding
Supports lossless full-load wire-speed forwarding to avoid bandwidth congestion, packet loss and latency, ensuring stable real-time transmission for massive HD monitoring devices.
2️⃣ Operating Temperature
Stable operation from -40℃ to 85℃, adapting to extreme outdoor cabinet temperatures and minimizing environment-induced transmission faults.
3️⃣ Link Compatibility
Works with single/multi-mode fibers and mainstream brand fiber switches, reducing deployment difficulties and unstable link risks.
4️⃣ Anti-Interference Capacity
Compliant with industrial EMC standards to resist roadside electromagnetic interference and guarantee reliable data links.
5️⃣ High Bandwidth
Offers 100M/1G/10G/40G/100G options with microsecond-level latency, ideal for latency-sensitive services in various scenarios.
6️⃣ Convenient O&M Compatibility
Built-in DDM function monitors temperature, voltage, transmit power and other parameters for easy equipment inspection and maintenance.
III. Core Parameters and Advantages of Comark Optical Modules
✅ Optical Wavelength
Supports 1310nm and 1550nm mainstream wavelengths. It features low transmission loss and high signal quality to adapt to diverse application scenarios.
✅ Optical Interface
Adopts universal LC single/dual-fiber interfaces with flexible wiring and stable connection performance.
✅ Interface Level
Adopts PECL standard level with powerful signal driving capability and anti-attenuation performance, ensuring efficient data transmission.
✅ Transmission Rate
Covers full-speed grades from 100M, 1G, 10G, 40G to 100G, fully meeting bandwidth requirements of various services.
✅ Package Form
Compatible with mainstream SFP, SFP+, QSFP+ and QSFP28 packages, offering wide compatibility with various switch devices.
✅ Transmission Distance
Achieves stable transmission of 2–40 km, delivering excellent long-distance transmission performance for large-scale network deployment.
IV. Application in Smart Highway Projects
This 200-kilometer smart highway, with 15 toll stations, 4 service areas and 1 parking area, is fully operational. Industrial-grade optical modules are widely deployed in core scenarios, including roadside perception, toll systems and communication transmission.
Core advantages:
- Microsecond-level end-to-end latency for high-efficiency data transmission
- Stable operation at -40℃~85℃, adapting to extreme outdoor temperatures
- Built-in DDM function for simple and reliable O&M
The modules operate steadily under complex outdoor conditions with drastic temperature changes and vibration. They enable real-time data backhaul from roadside cameras and radars to the control center, supporting intelligent scheduling, traffic early warning and toll services, and ensuring long-term stable operation of the highway system.
V. Application Case Verification of Industrial-Grade Optical Modules
• Stable Transmission：
• Greatly Optimized Costs：
• Higher O&M Efficiency：
