OSN9800 TNV2T220E Enhanced Wavelength Division Board Single Wave 400G/200G Adjustable 4.8T Transmission Capacity

Yantai Boxin International Trading Co., Ltd. is a professional comprehensive trading service provider for communication equipment.With warehouses established in Yantai and Hong Kong, we have built a complete and localized network for delivering communication products and services.In 2018, Yantai Boxin International Trading Co., Ltd. set up its international sales department in Yantai, China.Based in China, we operate in emerging markets across Southeast Asia, India, the Middle East, Africa, Europe, and the United States. 

Yantai Boxin International Trading Co., Ltd. supplies products to various telecom operators, meeting their needs for supplementing and expanding 2G/3G/4G/5G network stations.Our current equipment portfolio covers brands such as Nokia, Ericsson, Alcatel, Huawei, ZTE, ZTT, and FiberHome. 

We expand our international market share by offering high-quality products, excellent service, competitive pricing, and timely delivery.Feel free to contact us for more information.

Description du produit

1. Product Overview

TNV2T220E is an enhanced wavelength division circuit board specially developed by Huawei OSN9800 platform for harsh transmission environments and critical business carrying scenarios.The product has undergone comprehensive performance enhancement and reliability improvement on the basis of the standard TNV2T220.As a representative of Huawei's"E" series enhanced products, TNV2T220E has been deeply optimized for special scenarios such as ultra long distance transmission, extreme environment deployment, and high reliability requirements.It provides telecom grade enhanced guarantees for critical backbone segments of operators, core dedicated lines of multinational enterprises, financial transaction private networks, and other applications that have extreme requirements for transmission quality.

The enhanced design concept of the"E" series originates from Huawei's profound understanding of the complex global network environment.In the transoceanic cable system, signals need to face transmission attenuation of thousands of kilometers and complex underwater environmental challenges; In the"East Data West Computing"national project, the ultra long distance transmission from the western data center to the eastern computing hub requires a very high system margin;In financial trading networks, millisecond level latency stability and 99.9999% availability are the lifeline of business.TNV2T220E was born to address these challenges.It has not only strengthened its hardware specifications, but also achieved comprehensive improvements in software algorithms, operation and maintenance management, and environmental adaptability, representing Huawei's highest achievement in the field of optical transmission reliability engineering.

2.Enhanced technical specification system

Comprehensive enhancement of transmission performance

On the basis of the standard 12 channel 400G/200G tunable architecture, TNV2T220E has achieved significant improvements in multiple key performance indicators.The emitted optical power of each channel has been increased to the range of+5dBm to+7dBm, which is 2dB higher than the standard model.This improvement increases the OSNR margin of the system by about 3dB under the same fiber conditions, equivalent to extending the transmission distance by 30% or allowing an additional optical amplification segment to be added.The receiving sensitivity has been optimized to -22dBm, which is 2dB better than the standard model and further enhances the tolerance for signal attenuation during long-distance transmission.

The modulation format has been specifically optimized by introducing enhanced probability constellation shaping (ePCS) technology while maintaining the DP-16QAM and DP-QPSK standard modulation.EPCS improves spectral efficiency by 15% or OSNR margin by 1.5dB under the same OSNR conditions by intelligently adjusting constellation point distribution.The DP-QPSK+mode, which is specially optimized for ultra long distance transmission, has increased the Q ²factor by 0.5dB over a transmission distance of 2000km through improved equalization algorithms and phase recovery mechanisms, greatly improving the system's error performance.

Forward error correction adopts Huawei's seventh generation enhanced soft decision FEC Pro-E technology, which is a specially designed enhanced version for harsh transmission environments.Under the standard 20% redundancy overhead, the encoding gain reaches 13.2dB, which is 1.2dB higher than the standard FEC.More importantly, eFEC introduces an adaptive redundancy adjustment mechanism, which can automatically increase the redundancy overhead from 20% to 25% when the system detects link quality degradation, providing an additional 3dB protection margin.This dynamic protection mechanism performs well in dealing with unpredictable factors such as fiber aging, connector degradation, and sudden changes in environmental temperature.

Environmental adaptability enhancement design

The operating temperature range of TNV2T220E has been extended to -10°C to+65°C, which is 20°C wider than standard commercial grade equipment.This enables the equipment to operate stably in non-standard environments such as remote computer rooms, outdoor stations, and mobile communication vehicles without air conditioning.The storage temperature range has been expanded to -45°C to+85°C, ensuring safe transportation in any climate condition worldwide.The humidity adaptability has been improved to 5% to 95% non condensing, which can cope with high salt and high humidity environments in coastal areas and extreme dry conditions in desert areas.

The dustproof and waterproof rating reaches IP54, which can effectively prevent dust accumulation and liquid splashing.The seismic performance has passed the 9-level intensity test and can withstand continuous acceleration vibration of 0.6g, meeting the deployment requirements in earthquake prone areas.Electromagnetic compatibility (EMC) reaches Class A level and can maintain stable operation in strong electromagnetic interference environments.All electronic components adopt industrial grade or even automotive grade standards, and key optical components undergo 2000 hours of double 85 testing (85°C/85% RH) to ensure long-term reliability.

Enhancement of power supply and cooling system

The power system adopts a triple redundancy design, with independent power supply from the main, backup, and cold backup channels.Any single channel failure does not affect the operation of the equipment.The input voltage range is extended to -36V to -72V DC, compatible with various global power supply standards.The power conversion efficiency has reached 96%, which is 2 percentage points higher than the standard model and reduces heat dissipation.Each power module is equipped with independent overvoltage, overcurrent, overheat protection, and arc fault detection circuits to ensure power supply safety.

The cooling system has been comprehensively strengthened, with a 30% increase in the surface area of the cooling fins.The fan speed can be intelligently adjusted according to temperature, and the maximum air volume has been increased to 200CFM.The key chip adopts phase change heat dissipation materials, reducing thermal resistance by 40%.The number of temperature monitoring points has increased from the standard 32 to 64, achieving more refined thermal management.When local overheating is detected, the system can automatically reduce the operating frequency of the chip in that area or temporarily turn off non critical functions to prevent thermal runaway.

3.Reliability Enhancement Engineering

Hardware level reliability improvement

All key components adopt a"gold grade"screening standard, with screening conditions three times stricter than standard industrial grade: 1000 hours of high-temperature aging at 125 °C, 500 hours of low-temperature storage at -55°C, 1000 temperature cycles (-40°C to+125°C), and 500 hours of high acceleration life testing.The screening and elimination rate reaches 15%, ensuring that only the most reliable components enter the production process.

The internal structure of the board adopts a fully redundant architecture, and key analog circuits such as laser driver circuit, modulator bias circuit, and detector amplification circuit are designed with dual circuits.The automatic switching time between the main and backup is less than 100 nanoseconds.The digital control part adopts the third mock examination redundancy (TMR) design, and three processors operate synchronously.The voting mechanism ensures correct decision-making, and the failure of a single processor will not affect the system function.The memory adopts ECC checksum and inspection erase technology to prevent the accumulation of soft errors.

The connector system has been specially reinforced, and the plug-in life of fiber optic connectors has been increased from the standard 500 times to 1000 times, and the plug-in life of electrical connectors has been increased from 100 times to 500 times.All connection points adopt anti vibration design and pass multiple tests such as sine vibration, random vibration, mechanical impact, etc.The cable adopts an anti bending protective sleeve, reducing the minimum bending radius from the standard 30mm to 15mm, making it convenient for wiring in narrow spaces.

Software level reliability enhancement

The operating system adopts a hard real-time kernel, with task scheduling determinacy reaching microsecond level, ensuring that critical control tasks are not delayed.Memory management introduces dual protection of spatial and temporal isolation to prevent memory leaks and buffer overflow from affecting system stability.The file system adopts a log structure and snapshot technology, which can restore to a consistent state within 10 seconds after an unexpected power outage.

Fault management has been comprehensively enhanced, with fault detection coverage increasing from 95% to 99.5%, and fault localization accuracy improving from board level to chip level.The newly added predictive fault detection function analyzes performance data trends through machine learning, and can warn 80% of potential faults 48 hours in advance.The fault recovery time has been significantly shortened, with software fault recovery time reduced from minutes to seconds, and hardware fault recovery time reduced from hours to minutes.

The protection switching mechanism has been optimized, reducing the switching decision time from 50 milliseconds to 20 milliseconds and the switching execution time from 10 milliseconds to 5 milliseconds.New intelligent switching strategy has been added, allowing the system to select the optimal recovery path and method based on factors such as fault type, business priority, and network load.For key businesses such as financial transactions,"zero interruption" switching technology can be used, and the business is completely imperceptible.

Network level reliability assurance

TNV2T220E supports multi-layer collaborative protection, with physical layer protection including optical line 1+1 protection and optical channel 1+1 protection;ODUk layer protection includes SNCP protection and shared ring network protection;Business layer protection collaborates with routers and switches to achieve end-to-end path protection.Intelligent coordination of protection at all levels to avoid protection conflicts and resource waste.

Business continuity assurance has reached a new height, supporting hot patch upgrades.90% of software defects can be fixed through online patching without the need to restart the device.Support hot expansion, which can add channels, increase speed, and change modulation formats during business operations.Support hot migration, business can seamlessly migrate between different boards, slots, and devices.

4.Intelligent operation and maintenance enhancement features

Enhanced performance monitoring

The monitoring system has undergone a comprehensive upgrade, with each channel monitoring parameter increasing from 24 to 48.The newly added monitoring items include deep level parameters such as laser aging coefficient, modulator nonlinearity, fiber dispersion distribution, and nonlinear noise power.The monitoring accuracy has significantly improved, with optical power monitoring accuracy increasing from ±0.5dB to ±0.2dB, wavelength monitoring accuracy increasing from ±1GHz �0.5GHz, and OSNR monitoring accuracy increasing from ±0.5dB to ±0.2dB.

The sampling frequency of monitoring data has been increased from 1Hz to 10Hz, which can capture transient events and rapid changes.The data storage depth has been extended from 30 days to 90 days, supporting longer-term trend analysis.Introducing machine learning algorithms into data analysis can identify abnormal patterns, predict performance trends, and optimize system parameters.The newly added root cause analysis function can automatically analyze the root cause of performance degradation and provide handling suggestions.

Predictive maintenance enhancement

The predictive maintenance system is based on big data and artificial intelligence technology, establishing more accurate equipment health models.The input of the model includes device operation data, environmental data, maintenance history, data of similar devices, etc.The output includes remaining service life prediction, failure probability prediction, maintenance time recommendation, etc.The model accuracy has increased from 85% to 95%, and the false positive rate has decreased from 10% to 2%.

The maintenance strategy has been upgraded from regular maintenance to predictive maintenance, and the maintenance time is dynamically determined based on the actual status of the equipment.The maintenance content has shifted from comprehensive maintenance optimization to precise maintenance, only maintaining the parts that truly need to be maintained.The maintenance effect has shifted from fault repair to fault prevention, eliminating hidden dangers before faults occur.Practical applications have shown that predictive maintenance can reduce unexpected failures by 80% and maintenance costs by 50%.

Automated operation and maintenance enhancement

Automated operation and maintenance covers a wider range of scenarios, from device configuration to network planning, business activation, performance optimization, fault handling, and the entire lifecycle.The degree of automation has significantly improved, with equipment configuration automation rate increasing from 80% to 95%, business activation automation rate increasing from 70% to 90%, and fault handling automation rate increasing from 50% to 80%.

Automated operations and maintenance have introduced the Intent Driven Network (IDN) concept, where operations personnel only need to describe business intentions through natural language, and the system automatically converts them into specific configurations and executes them. For example, if the operation and maintenance personnel say " Open a 400G dedicated line between Beijing and Shanghai with a latency of less than 10ms and availability of 99.999% " , the system will automatically complete all tasks such as routing calculation, wavelength allocation, device configuration, and performance verification.

Automatic operation and maintenance also realizes cross domain collaboration, and the transmission network and IP network, data center, cloud computing platform work together to achieve end-to-end automation.For example, when a cloud computing platform needs to migrate virtual machines, the transmission network automatically adjusts the bandwidth;When IP network traffic is congested, the transmission network automatically provides a backup path;When the data center needs to back up data, the transmission network automatically optimizes the transmission strategy.

5.Typical Enhanced Application Scenarios

Ultra long distance backbone transmission

TNV2T220E performs well in these ultra long range segments through enhanced transmission power, optimized modulation format, and enhanced FEC technology.Actual test data shows that on a 2100 kilometer G.652 fiber optic cable, TNV2T220E's 400G DP-16QAM transmission can still maintain an error rate of 10-15 orders of magnitude, which is two orders of magnitude higher than standard equipment.

The biggest challenge faced by ultra long distance transmission is fiber nonlinearity and polarization mode dispersion.TNV2T220E can compensate for these effects in real-time through enhanced digital signal processing algorithms.Nonlinear compensation adopts an improved digital backpropagation (DBP) algorithm, which shortens the compensation step size from the standard 10km to 5km and doubles the compensation accuracy.Polarization mode dispersion compensation adopts multi-mode blind equalization algorithm, which can track faster polarization changes with a tracking speed of up to 1 million times per second.

Deploying in harsh environments

In remote areas, mountainous regions, islands and other harsh environments, the conditions of the computer room are often not ideal, with large temperature changes, high dust, and unstable power supply.The enhanced environmental adaptability of TNV2T220E enables it to operate stably in these environments.In the actual deployment of a communication station on a certain island, the highest temperature in summer reached 45°C, and the lowest temperature in winter dropped to -5°C.The humidity remained above 80% throughout the year, and TNV2T220E operated continuously for three years without any faults.

Another challenge in harsh environments is maintenance difficulties, as technicians often need several days to arrive on site.The remote maintenance capability of TNV2T220E solves this problem, with 90% of faults being diagnosed and repaired remotely, and only 10% of hardware faults requiring on-site handling.The remote maintenance system supports augmented reality (AR) technology, and on-site personnel receive guidance from remote experts through AR glasses, resulting in a threefold increase in maintenance efficiency.

Key business carrying capacity

Key businesses such as financial transactions, telemedicine, and industrial control have extremely strict requirements for transmission network latency, jitter, and availability.TNV2T220E provides differentiated support for these businesses through enhanced hardware design and optimized software algorithms.In terms of latency, by streamlining the protocol stack and optimizing the processing flow, the transmission latency has been reduced from the standard 50 microseconds to 20 microseconds;In terms of jitter, the delay jitter has been reduced from 100 nanoseconds to 20 nanoseconds through an improved clock recovery algorithm;In terms of availability, through multiple layers of protection and fast recovery, the availability has been increased from 99.999% is 99.9999%.

Strict security measures are also required for critical business operations.TNV2T220E supports enhanced security features, including hardware encryption, secure boot, and tamper proof detection.Hardware encryption is based on the national encryption algorithm, with an encryption speed of up to 100Gbps, ensuring the confidentiality of data during transmission.Secure boot verifies software integrity through digital signature to prevent malicious software injection.Anti tampering detection monitors the real-time status of equipment and immediately alerts if any abnormalities are detected.

Multinational Enterprise Private Network

Multinational corporations need to establish high-speed, reliable, and secure private networks between multiple branches worldwide.The enhanced features of TNV2T220E perfectly match this demand, with a wide temperature range that adapts to climate conditions in different regions.Its long-distance transmission capability connects sites distributed around the world, and its high security protects sensitive data of enterprises.

A global manufacturing enterprise has built a dedicated network covering 30 countries using TNV2T220E, connecting 50 production bases and 100 offices.The network carries various services such as ERP, video conferencing, IoT, remote control, etc.After two years of operation, the network availability has reached 99.999%, the latency is stable within 50 milliseconds, and the security has passed international security certification.The enterprise IT manager stated,"This network not only meets current business needs, but also lays the foundation for future digital transformation

6.Investment return and value reflection

Total Cost of Ownership Optimization

Although the procurement cost of TNV2T220E is 15-20% higher than standard equipment, its savings in operation and maintenance costs, energy consumption costs, and risk costs result in lower total cost of ownership (TCO).In terms of operation and maintenance costs, the enhanced reliability and automated operation and maintenance will reduce the demand for operation and maintenance manpower by 40% and the cost of fault handling by 60%.In terms of energy consumption costs, higher energy efficiency reduces electricity bills by 20%.In terms of risk costs, the value of reduced business interruptions and performance degradation is difficult to estimate.

Taking a 2000 kilometer backbone link as an example, standard equipment requires a regeneration station to be set up every 500 kilometers, while TNV2T220E can extend the regeneration distance to 800 kilometers, reducing two regeneration stations.The investment for each regeneration station is about 2 million yuan, and the annual operating cost is about 500000 yuan, which can save 5 million yuan in 5 years.In addition, the reduced number of sites also simplifies the network structure and reduces management complexity.

Business value enhancement

TNV2T220E creates direct value for customer business by providing higher performance, better reliability, and stronger adaptability.In cloud computing services, higher transmission performance means faster data migration and backup, enhancing the competitiveness of cloud services;In financial transactions, lower latency and higher availability mean higher transaction success rates and customer satisfaction;In telemedicine, more stable transmission means more reliable diagnosis and treatment.

After a cloud service provider used TNV2T220E to upgrade the data center Internet, the data migration time was shortened by 30%, customer satisfaction increased by 15 percentage points, and annual revenue increased by 20%. After a certain stock exchange adopted TNV2T220E to build a trading private network, the trading failure rate decreased from 0.01% to 0.001%, and the annual losses avoided exceeded 10 million yuan.