Optix OSN8800 LWXS 03030KHH TN12LWXS02 TN12LWXS Arbitrary Rate Wavelength Conversion Board

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1.Product Overview

Table 1: Basic Identification and Specifications

Attribute specification description

OptiX OSN 9800 series intelligent optical transmission platform

Module Name: 200G Ultra Wide Spectrum Tunable Digital Coherent Optical Module (CFP2-DCO Package, C+L Band Extended Type)

Module type CFP2-DCO digital coherent optical module

Functional positioning: 200G line side ultra wide spectrum transmission, supporting C-band and L-band expansion, designed for ultra wide spectrum systems

Physical dimensions comply with CFP2 MSA standard packaging

The adapter card is used for OSN 9800 TN series 200G line side panel card (such as TNG1A212), and needs to support C+L band expansion

Operating temperature commercial grade: 0°C to+70°C (module shell temperature)

The power demand is supplied by the host board through the CFP2 interface, with a typical power consumption of less than 26W

Interface type: Dual LC single-mode fiber interface

Key features include dual domain coverage in the C+L band, tunable ultra wide spectrum, multi band synergy, and doubled spectrum resources

2.Optical interface and transmission characteristics

Table 2: Key Optical Layer Parameters

Parameter C-band specification L-band specification

Line rate 200 Gbit/s (2x 100G carrier aggregation) 200 Gbit/s (2x 100G carrier aggregation)

Modulation Format Probability Shape-16QAM (PCS-16QAM) Probability Shape-16QAM (PCS-16QAM)

Optional modulation format can be switched to DP-QPSK mode by software

Adjustable wavelength range: 1528.77 nm -1566.31 nm, 1570.01 nm -1609.19 nm

Wavelength tuning accuracy ± 0.5 GHz ± 0.5 GHz

Band switching time<2 seconds (software switching)<2 seconds (software switching)

Output optical power -2 dBm to+3 dBm -2 dBm to+3 dBm

Receiving sensitivity (16QAM) ≤ -12.5 dBm (BER=2E-2) ≤ -12.0 dBm (BER=2E-2)

Receiving sensitivity (QPSK) ≤ -15.0 dBm (BER=2E-2) ≤ -14.5 dBm (BER=2E-2)

3.Core Enhancement Technology

Table 3: Ultra wideband and multi band enhancement techniques

Technical characteristics, technical specifications, performance advantages

Dual band tunable laser array integration supports wide spectrum tunable lasers in both C-band and L-band, with a single module covering two main transmission windows to double spectrum resources.A single module can be flexibly deployed in C-band or L-band systems, greatly simplifying spare parts management

Band adaptive optical path design optimizes the optical path matching for different fiber transmission characteristics (loss, dispersion, nonlinearity) in the C-band and L-band, achieving optimal transmission performance in both bands and ensuring cross band performance consistency

The built-in gain spectrum pre compensation algorithm for multi band power balance control automatically adapts to the gain curves of EDFA in different bands and works perfectly with EDFA in the C+L band, reducing system level power balance requirements and improving overall OSNR

A wavelength control algorithm for fast band switching and locking optimization, supporting fast switching and high-precision locking between C/L bands, supporting software defined band reconfiguration, and adapting to the needs of dynamic optical networks

The ultra wideband dispersion compensation DSP algorithm has a built-in compensation parameter library for different dispersion characteristics in the C/L band, which does not require manual configuration and automatically matches the optimal dispersion compensation strategy, simplifying system deployment

4.Transmission performance indicators

Table 4: Comparison of Dual Band Transmission Performance (Typical Values)

Performance indicators: C-band (PCS-16QAM), L-band (PCS-16QAM), C-band (QPSK), L-band (QPSK)

Typical transmission distance (G.652.D) 1000-1200 km 900-1100 km 2000-2200 km 1800-2000 km

The optical signal-to-noise ratio requirement is about 11.0 dB @ 0.1nm, about 11.5 dB @ 0.1nm, about 7.5 dB @ 0.1nm, about 8.0 dB @ 0.1nm

Dispersion tolerance (fully compensated)>± 40000 ps/nm>± 45000 ps/nm>± 45000 ps/nm>� 50000 ps/nm

Polarization mode dispersion tolerance>25 ps>25 ps>30 ps>30 ps

Band performance consistency benchmark performance difference<10% benchmark performance difference<10%

5.Management and monitoring functions

Table 5: Dual band intelligent management capability

Monitoring Category Monitoring Parameter Management Function

Dual band unified management of current working bands, band switching records, and C/L band performance comparison data single module to achieve unified monitoring and management of the two bands, simplifying network operation and maintenance

The optical power of each band in the band performance file OSNR, Establish a baseline for C/L band performance based on historical performance data such as bit error rate and nonlinear coefficient, providing data support for multi band system optimization

Band switching control supports manual/timed/link quality based automatic band switching to achieve flexible scheduling of bands, adapting to dynamic business needs and spectrum optimization strategies

Multi band collaborative monitoring provides real-time monitoring of the system level performance balance status of the C/L band, and provides optimization suggestions to ensure the balance and coordination of transmission performance between the two bands in a C+L band hybrid system

The spectrum resource management recording module supports the occupation of C/L band spectrum, which is synchronized with the network management spectrum database to support the unified planning and dynamic management of spectrum resources across the entire network

6.Application scenarios

Table 6: Typical Application Scenarios

Core value and deployment advantages of application scenario configuration mode

Expansion of the C+L band backbone network: The L band is deployed on an aging backbone network where the C band spectrum has been exhausted.A new 200G channel is built using the L band, doubling the capacity of a single fiber without the need to lay new fibers

New ultra wide spectrum trunk line C/L hybrid deployment on the new generation of ultra wide spectrum optical fibers (such as G.654.E), simultaneously activating C-band and L-band resources, constructing a super large capacity transmission system

Dynamic switching of multi band ROADM network: In ROADM networks supporting C+L bands, the optimal band is dynamically selected according to business requirements to achieve flexible scheduling of spectrum resources

Expansion of submarine cable system with L-band deployment, adding 200G of business to the L-band window of the submarine cable system, improving the overall capacity and return on investment of the submarine cable system

Coexistence of multi manufacturer systems can configure bands at the system boundaries of different manufacturers and bands, achieving seamless integration through flexible band configuration and reducing interconnection complexity

7.System compatibility and deployment requirements

Table 7: System Compatibility Requirements

Specific description of the required category

The host board and software require a 200G line side card that supports C+L band expansion, and the device software needs to support dual band management and switching functions

The compatibility of the optical layer system must be used in conjunction with optical amplifiers (such as C+L EDFA), splitters, and ROADM devices that support the C+L band

It is recommended to use G.654.E ultra-low loss fiber for fiber optic infrastructure, which has excellent transmission characteristics for both C-band and L-band.If using G.652.D, it should be noted that the L-band loss is slightly higher

Before deploying the system power planning, a joint power budget design for the C/L band is required, and the L band may require higher transmission power compensation

The total power of the nonlinear management C+L band system is higher, and it is necessary to strengthen the management of nonlinear effects at the system level and optimize the total power input into the fiber

8.Maintenance and ordering information

Table 8: Maintenance and Ordering Points

Project Information

Component code TN12LWXS (the suffix"LWXS" usually represents Long haul Wide Spectrum eXtended)

The technical positioning is the core 200G module for the era of ultra wideband transmission, laying the foundation for commercial use in the C+L band.

Deployment strategy recommendations should be used in conjunction with C+L band EDFA, C+L band ROADM, etc., to form a complete multi band solution.Initially, the L-band can be deployed in the spectrum tight C-band trunk to verify its performance.

A spare parts management module can replace the traditional C-band and L-band modules, significantly streamlining spare parts inventory and reducing operating costs.

From the perspective of total cost of ownership, although the price of a single module may be slightly higher than that of a single band module, considering the fiber core savings and spare parts simplification brought by the doubling of its spectrum resources, the comprehensive TCO advantage is obvious.

Core Summary:

TN12LWXS is a strategic product that extends 200G transmission technology from the C-band to the L-band.It breaks the limitation of traditional modules working only in a single band, and by integrating a dual band tunable laser array and band adaptive optical path design, enables a single module to be flexibly deployed in C-band or L-band systems.

Core values and strategic significance:

Cracking the Spectrum Depletion Challenge: In today's increasingly scarce C-band spectrum resources, TN12LWXS enables operators to efficiently and cost effectively activate L-band resources, doubling single fiber capacity and providing a fundamental solution to cope with continuous traffic surges.

Unified spare parts, simplified operation and maintenance: One module covers two main transmission windows, greatly simplifying spare parts types and inventory management, and reducing operation and maintenance complexity.

Paving the way for ultra wideband networks: The technological accumulation of this module lays the foundation for future C+L+S-band ultra wideband transmission systems and is a key component for building the next generation of ultra large capacity optical networks.

Core differences from standard 200G modules (such as TN12LDCT81):

TN12LDCT81: Operates in a single C-band and is suitable for conventional C-band systems.

TN12LWXS: It can operate in the C-band or L-band and is a special module designed specifically for C+L-band ultra wideband systems.

Selection suggestion:

When your network is facing C-band spectrum depletion, requires L-band expansion, or is planning to build a new ultra wide spectrum backbone, TN12LWXS is an essential core component. Before deployment, it is necessary to ensure that the optical layer equipment (optical amplifiers, splitters, ROADMs) supports the C+L band and conduct a joint power budget design.