This 400G DWDM open line system is a high-performance optical transport platform designed for data center interconnect (DCI) and metro optical networks. It builds high-capacity, reliable DWDM transmission links to meet growing bandwidth demands for DCI, cloud interconnection, and carrier-grade metro services, providing unified optical layer management for scalable, next-generation fiber networks.
High-Capacity 400G Multi-Rate DWDM Transmission
The open line system supports high-performance transmission for C-band DWDM signals as well as multi-rate coherent access to meet the varying demand of DCI and metro networks in one solution.
It guarantees stable signal transmission and enhances the scalability of high-capacity fibre networks:
• Supports coherent signals from 100G to 400G, including 100G-QPSK, 200G/300G/400G QAM formats
• 48 C-band DWDM channels with 100GHz grid spacing for full wavelength coverage
• Delivers 120km transmission with 24dB link budget for long-haul DCI and metro links
This high-capacity architecture meets increasing DCI bandwidth requirements, while maintaining the signal integrity of a dependable high-speed DWDM link.
Flexible Optical Layer Configuration and Universal Compatibility
It combines flexible optical layer scheduling and universal interface design, applicable for general networking mode to meet the requirement of different DCI deployment scenarios.
You get flexible solutions for larger DWDM networking requirements:
• Built-in client-side automatic power equalization (APE) for balanced signal power across channels
• LC/UPC standard optical interface for universal fiber connection with mainstream components
• Supports ring, chain, and point-to-point topologies for flexible DCI and metro networking
These flexible characteristics make network deployment easier, simplify configuration workloads, and also allow service providers to scale their data center services more easily.
Comprehensive Optical Monitoring and Intelligent Management
It has full optical monitoring and intelligent management features, providing end-to-end link visibility in real time and proactively detecting faults.
It offers new solutions for the operation and maintenance of DWDM networks:
• Real-time monitoring of DWDM channel power, line-side power, and port status with LED indicators
• In-band optical supervisory channel (OSC) for independent link management and control
• Supports Web GUI, B/S centralized management, and open SNMP interface for easy operation
Fortunately, everything from fundamental monitoring to comprehensive management makes it faster and easier to find faults, improve maintenance efficiency, and maximize network reliability.
Compact Design and Energy-Efficient Operation
With high-integration structure and energy-saving hardware, it guarantees stable working status meanwhile minimizes data center space and economy.
You will find optimized deployment of the data centre and a reduction in operational costs：
• Standard 1U 19-inch rack-mount design (44×440×600mm) for high-density DCI deployment
• Low power consumption (<150W) with energy-efficient components for continuous operation
• Hot-swappable 1+1 redundant fans and power supplies for uninterrupted service
The compact and energy-efficient design greatly shrinks the footprint in a data center, saving heterogeneous power consumption costs in high-density deployment scenarios unique to modern data centers.
Stable Performance and Carrier-Grade Reliability
Targeted towards carrier-grade and data center environments, it provides for long-term stable operation along with advanced protection features.
Continuous, dependable performance beneath demanding conditions:
• Wide operating temperature range (-5°C to 55°C) to adapt to varying data center conditions
• Automatic fiber distance measurement for quick link testing and fault localization
• High MTBF and anti-interference design for reliable, 24/7 operation
Carrier-grade reliability guarantees service delivery stability, reducing downtime and enabling core data center and metro services.
Typical Application Scenarios
This system of 400G DWDM open line is broadly used to high-capacity service transmission in data center interconnect and metro network scenario.
Offers stable support for a wide variety of high bandwidth applications:
• Data center interconnect (DCI) 100G/200G/400G high-speed signal transmission
• Metro backbone DWDM transmission for cloud and enterprise services
• 5G backhaul and mid-haul network optical bearer
• Enterprise private line and multi-site data center interconnection
• Carrier-grade metro optical network expansion and upgrade
It acts as a core transmission platform, which is designed to support the increasing bandwidth requirements of data centers and metro networks while being a solid platform for stable high-speed and scalable optical fiber communication.
