COP-SI400G-FR4 Product Overview
The COP-SI400G-FR4 is a premium 400G QSFP-DD FR4 optical transceiver based on advanced silicon photonics technology. It supports 400GBASE-FR4 standard with four CWDM4 wavelengths at 1271/1291/1311/1331nm, delivering stable 400Gbps transmission up to 2 kilometers over standard single-mode fiber(SMF).
With duplex LC interface and PAM4 modulation, this module ensures low latency, high bandwidth and excellent thermal stability. Built-in DOM monitoring supports real-time parameter tracking. It is fully compatible with mainstream brand switches, routers and firewalls, widely used in medium and long-distance data center interconnection, cloud backbone networks and enterprise core optical links.
5. Core Selling Points
- 400G Ultra-high Speed:4×100G PAM4 channels, total 400Gbps wire-speed performance
- Silicon Photonics Design:Higher stability, lower power consumption and longer service life
- 2km Long Transmission:Ideal for building-to-building, campus and medium-range DCI links
- CWDM4 Wavelength:1271~1331nm four-wave multiplexing, strong anti-interference
- Duplex LC Interface:Easy cabling, compatible with common single-mode patch cords
- Full DOM/DDM Support:Real-time monitoring of temperature, power, voltage and bias current
- Hot-pluggable QSFP-DD:Plug and play, no system shutdown required
- Global Compatibility:Works with Cisco, Arista, Juniper, Huawei, H3C and other major platforms
- Low Power & High Reliability:Energy-saving design, stable 24/7 operation for data center environment
6. Full Specifications Table
| Item |
Details |
| Model |
COP-SI400G-FR4 |
| Standard |
400GBASE-FR4, IEEE 802.3bs, QSFP-DD MSA, CMIS 5.0 |
| Form Factor |
QSFP-DD |
| Data Rate |
400Gbps (4×100G PAM4) |
| Wavelength |
CWDM4: 1271nm, 1291nm, 1311nm, 1331nm |
| Fiber Type |
Single Mode Fiber SMF / OS2 |
| Distance |
2km |
| Connector |
Duplex LC |
| Modulation |
PAM4 |
| Transmit Power |
-3.0 ~ +4.0 dBm |
| Receiver Sensitivity |
≤ -7.0 dBm |
| Power Consumption |
≤ 9W |
| Monitoring |
DOM / DDM Digital Optical Monitoring |
| Operating Temp |
0℃ ~ +70℃ Commercial Grade |
| Storage Temp |
-40℃ ~ +85℃ |
| Laser Class |
Class 1 Safe Laser |
| Application |
Data Center DCI, Cloud Backbone, Enterprise Core Network, Campus Long-distance Link |
7. Homepage Long Description
Product Introduction
COP-SI400G-FR4 is a next-generation 400G QSFP-DD FR4 silicon photonics optical transceiver designed for modern high-speed data centers and cloud networks. Adopting mature CWDM4 four-wavelength multiplexing technology, it realizes reliable 400Gbps transmission up to 2 kilometers on ordinary single-mode optical fiber.
Advanced Technology & Stability
Equipped with high-quality silicon photonic chips, the module features outstanding heat resistance and signal stability. PAM4 modulation greatly improves bandwidth density, reducing overall network deployment cost while maintaining ultra-low latency for big data, AI computing and cloud service transmission.
Easy Deployment & Compatibility
With standard duplex LC interface, users can directly use existing single-mode fiber resources to complete 400G upgrade. The hot-pluggable QSFP-DD design supports fast installation and replacement without affecting network operation. It is interoperable with all mainstream 400G switching devices in the global market.
Real-time Intelligent Monitoring
Built-in comprehensive DOM monitoring function allows engineers to check optical power, temperature, voltage and laser current anytime, ensuring stable link operation and rapid fault locating.
Application Scenarios
- Medium-long distance data center interconnection (DCI)
- Cloud computing core backbone network construction
- Enterprise and campus 400G long-distance optical links
- Building-to-building fiber connection within industrial parks
- High-performance computing HPC and AI cluster interconnection
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