200G DWDM OTN

200G CFP2 DWDM optical transport network

FB-LINK's 200G DWDM/OTN optical transport network is an advanced 4×100G service access platform designed for high-performance fiber optic communications. This solution features:

Key Capabilities

Wavelength Tunable Technology: Adjusts CFP2 coherent optical module wavelengths to DWDM standard frequencies

Efficient Multiplexing: Leverages DWDM technology to enable wavelength division multiplexing transmission

Optimized for Challenging Environments: Ideal for networks with limited fiber resources and high line losses

Applications

This platform delivers high-quality transmission solutions for scenarios where fiber availability is constrained and signal integrity is critical.

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400G DWDM/OTN Platform

Meeting Modern Bandwidth Demands

Today's digital infrastructure faces unprecedented bandwidth requirements driven by:

AI computing workloads

Video streaming services

Exponential data growth

5G network backhaul

Remote work connectivity

Enterprise digital transformation

Technical Advantages

FB-LINK's 400G DWDM/OTN solution addresses these demands through:

Enhanced Network Performance

Increased per-wavelength capacity

Improved spectral efficiency

Reduced cost-per-bit transmission

Flexible Deployment

Pluggable module architecture for easy capacity expansion

Significantly lower power consumption

Support for DCI, metro, and long-haul applications

Rapid Scalability

Fast capacity expansion to match evolving bandwidth needs

400G wavelength technology as the preferred migration path

Integrated Solution Components

FB-LINK's comprehensive 400G platform includes:

Multiplexers/Demultiplexers: Efficient wavelength management

Optical Amplifiers: Extended reach and signal quality

Compact Optical Switches: Low-power 1U footprint design

This integrated approach enables seamless migration to 400G networks while maintaining optimal performance and operational efficiency.

 

 

 

Index		Specification
Maximum capacity Of single system		4 * 1OOG bidirectional transmission unidirectional transmission 4 * 1OOG
Tunable Wavelength range		DWDM:1529.16nm-1567.14nm(191.3THz-196.05THz)
Modulation mode		DP-QPSK@1OOG;DP-16QAM@200G;DP-16QAMps@200G;DP-QPSK@200G
Service access type		100GE,OTU4
Dispersion tolerance		±40000ps/nm@1OOG
OSNR Tolerance		<12dB@1OOGQPSK;<21dB@200GDP-16QAM<16dB@200GDP-16QAMps; <13.5dB@200GDP-QPSK
Physical Dimension		175(W)x40(H)x208(D)(mm)
Environmental requirements	Working	-10C-70
	Storage	-40C-80
	Humidity	5%-95% No condensation
Security and EMC		Comply with FCC,UL,CE,TUV,CSA standard
Power consumption		<78W

 

 

 

Support 100G/200G/400G single channel transmission line side board

 

 

 

 

 

 

 

The exponential growth in data traffic demands smarter solutions for fiber optic infrastructure. Dense Wavelength Division Multiplexing (DWDM) technology has emerged as the definitive answer to bandwidth challenges, enabling multiple optical signals to traverse a single fiber simultaneously without interference.

What Makes DWDM Essential for Modern Networks?

DWDM optical transport networks revolutionize how data centers, telecommunications providers, and enterprises handle massive bandwidth requirements. By multiplexing multiple wavelengths onto one fiber strand, DWDM systems dramatically increase transmission capacity while optimizing existing fiber infrastructure investments.

Traditional fiber networks face limitations when scaling to meet demands from AI computing, 5G networks, video streaming, and cloud services. DWDM technology eliminates these bottlenecks by enabling wavelength-level capacity expansion without laying additional fiber cables.

Advanced DWDM Transport Solutions

High-Capacity Coherent Optical Systems

Modern DWDM transport platforms leverage CFP2 coherent optical modules with tunable wavelength capabilities across the C-band spectrum. These systems convert standard signals into DWDM-compliant wavelengths, enabling seamless integration with existing wavelength division multiplexing infrastructure.

Key Capabilities:

100G DWDM Transmission Platform

Bidirectional wavelength transmission supporting flexible service aggregation

Multi-service access accommodating various Ethernet and OTN interfaces

DP-QPSK modulation for extended reach applications

200G Coherent Transport

Dual-channel architecture maximizing spectral efficiency

Advanced modulation formats including DP-16QAM and DP-QPSK

Optimized for metropolitan and regional network deployments

400G Wavelength Systems

Single-channel 400G line-side transmission

Superior cost-per-bit economics for data center interconnect

Reduced power consumption in compact 1U configurations

Metro and Long-Haul DWDM Infrastructure

High-performance DWDM equipment designed for demanding transport applications delivers multi-terabit capacity with impressive reach capabilities. These platforms support distances exceeding 1,500 kilometers without optical regeneration, making them ideal for regional and long-distance networks.

Advanced management interfaces including NETCONF/YANG, web-based GUI, and CLI provide flexible network operations. Integrated optical amplifiers and multiplexer/demultiplexer units simplify DWDM network architecture while maintaining superior performance.

Technical Advantages of Modern DWDM Networks

Wavelength Flexibility

Tunable wavelength ranges spanning the entire C-band (approximately 191.3 THz to 196.05 THz) provide deployment flexibility. Network operators can dynamically assign wavelengths based on network topology and capacity requirements without swapping optical modules.

Dispersion and OSNR Performance

Advanced coherent detection and digital signal processing enable robust performance even in challenging transmission environments:

Chromatic dispersion tolerance exceeding ±40,000 ps/nm

OSNR sensitivity optimized for each modulation format

Adaptive equalization compensating for fiber impairments

Spectral Efficiency Options

Multiple modulation schemes balance reach versus capacity:

DP-QPSK for maximum distance applications

DP-16QAM for metropolitan networks requiring higher spectral efficiency

Flexible grid spacing supporting 50 GHz and 75 GHz channel plans

Applications Driving DWDM Adoption

Data Center Interconnect (DCI)

DWDM technology provides the backbone for modern data center interconnection strategies. As organizations distribute computing resources across multiple facilities, high-capacity DWDM links enable real-time data replication, workload balancing, and disaster recovery capabilities.

5G Transport Networks

Mobile network operators rely on DWDM infrastructure to aggregate massive traffic volumes from distributed 5G base stations. The combination of low latency and high bandwidth makes DWDM ideal for fronthaul and backhaul applications.

Enterprise Private Networks

Organizations operating multiple locations benefit from dedicated DWDM wavelengths providing secure, high-bandwidth connectivity. This approach delivers predictable performance without the variability of shared network services.

Service Provider Networks

Telecommunications carriers leverage DWDM technology to scale network capacity efficiently. The ability to light new wavelengths on existing fiber pairs enables rapid service provisioning while controlling infrastructure costs.

Frequently Asked Questions About DWDM Technology

What is the main difference between CWDM and DWDM?

DWDM (Dense Wavelength Division Multiplexing) uses much tighter wavelength spacing than CWDM (Coarse WDM), typically 50 GHz or less between channels compared to 20 nm for CWDM. This allows DWDM systems to support far more wavelengths on a single fiber-often 80 or more channels versus 18 maximum for CWDM. DWDM also achieves significantly longer transmission distances, making it suitable for metropolitan and long-haul applications.

How does DWDM increase network capacity without adding fiber?

DWDM technology multiplexes multiple independent optical signals, each on a unique wavelength, onto a single fiber strand. Think of it like having multiple lanes on a highway-each wavelength operates as an independent "lane" carrying its own traffic. By adding more wavelengths (lanes) to existing fiber (the highway), network capacity multiplies without physical infrastructure expansion.

What transmission distances can DWDM systems achieve?

Modern coherent DWDM systems reach impressive distances depending on modulation format and amplification strategy. Systems using DP-QPSK modulation can extend beyond 1,500 kilometers without regeneration. Metropolitan DWDM deployments using higher-order modulation like DP-16QAM typically support distances from 80 to 600 kilometers, depending on fiber quality and system design.

Is DWDM suitable for 400G and beyond?

Absolutely. DWDM technology scales elegantly to 400G and higher per-wavelength capacities. Advanced modulation formats and digital signal processing enable 400G transmission on standard 50 GHz or 75 GHz DWDM channel grids. As bandwidth demands continue growing, DWDM remains the technology of choice, with industry development already targeting 800G and 1.6T per wavelength.

What are the power consumption benefits of pluggable DWDM modules?

Pluggable coherent DWDM modules significantly reduce power consumption compared to traditional transponder architectures. Modern CFP2 and QSFP-DD form factors consume a fraction of the power while delivering equivalent performance. This translates to lower operational costs, reduced cooling requirements, and improved environmental sustainability-critical factors in large-scale network deployments.

How do I migrate an existing network to DWDM?

DWDM migration typically follows a phased approach. Start by identifying capacity-constrained fiber routes and traffic growth patterns. Deploy DWDM multiplexers and coherent optical modules on these critical paths first, establishing a foundation wavelength infrastructure. As bandwidth demands increase, simply add additional wavelengths to existing DWDM systems. This pay-as-you-grow model minimizes upfront investment while ensuring scalability.

What maintenance does DWDM equipment require?

DWDM systems are designed for minimal maintenance. Key activities include monitoring optical power levels across wavelengths, tracking bit error rates, and ensuring proper environmental conditions. Modern DWDM platforms provide comprehensive network management systems that automatically detect and alert operators to potential issues before service impacts occur. Periodic cleaning of optical connectors and verifying backup power systems constitute the primary hands-on maintenance tasks.

Future-Proofing Network Infrastructure with DWDM

The telecommunications landscape continues evolving rapidly, with artificial intelligence, immersive technologies, and distributed computing driving unprecedented bandwidth requirements. DWDM technology provides the scalable foundation necessary to meet these challenges while optimizing capital and operational expenditures.

By implementing coherent DWDM solutions with flexible modulation, tunable wavelengths, and pluggable optics, network operators position themselves to scale efficiently as demands grow. The combination of high spectral efficiency, extended reach capabilities, and simplified operations makes DWDM the technology of choice for organizations serious about future-ready network infrastructure.

Whether deploying new data center interconnect links, expanding metropolitan area networks, or building long-haul transport capacity, DWDM delivers the performance, flexibility, and economics required for success in today's bandwidth-intensive environment.

 

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