Optix OSN8800 LDC TN12LDCT81 TN12LDCT15 2 X 100Gbit/s Service Multiplexing Into OTUC2 Wavelength Conversion Board

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Descripci?n del producto

1.Product Overview

Table 1: Basic Identification and Specifications

Attribute specification description

Device Platform OptiX OSN 9800 V Series/U Series Intelligent Optical Transmission Platform

Module Name: 200G Dual Carrier Tunable Digital Coherent Optical Module (Enhanced Long Range Edition)

Module type CFP2-DCO (pluggable digital coherent optical module)

Functional positioning of high-performance wavelength conversion and transmission optical devices on the line side, optimizing long-distance transmission performance

Physical dimensions comply with CFP2 MSA standard packaging

The adapter card is mainly used for OSN 9800 TN series 200G line side panel cards, such as TNG1A212, etc

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 24W

Key features support enhanced soft decision FEC and optimization algorithms, optimized for long-distance transmission

2.Optical interface and transmission characteristics

Table 2: Key Optical Layer Parameters

Parameter specifications

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

Modulation Format Dual Carrier Probability Shape-16 Orthogonal Amplitude Modulation (DP-PCS-16QAM)

The optional modulation format can be software switched to dual carrier polarization multiplexed quadrature phase shift keying (DP-QPSK) mode

Adjustable wavelength range in the entire C-band (approximately 191.35 THz to 196.10 THz)

Wavelength tuning step supports 75 GHz flexible grid

Output optical power -1 dBm to+4 dBm (software adjustable)

Center frequency accuracy ± 0.5 GHz

Receiving sensitivity ≤ -12.5 dBm (under BER=2E-2, FEC pre threshold conditions, PCS-16QAM mode)

Receiving sensitivity ≤ -14.5 dBm (under BER=2E-2, FEC pre threshold conditions, DP-QPSK mode)

Optical signal-to-noise ratio tolerance ≤ 10.5 dB @ 0.1nm RBW (PCS-16QAM mode)

Optical signal-to-noise ratio tolerance ≤ 8.0 dB @ 0.1nm RBW (DP-QPSK mode)

3.Core Enhancement Technology

Table 3: Enhanced Technical Features

Technical characteristics, technical specifications, performance advantages

The enhanced soft decision FEC uses a higher gain soft decision forward error correction algorithm to provide a net coding gain of about 12dB, which is about 1dB higher than the standard version's error correction capability and significantly extends the transmission distance

Optimizing probability shaping algorithm for long-distance transmission optimization.The probability shaping scheme maintains capacity while further reducing the impact of nonlinear effects and improving the OSNR margin of the system

Integrating more efficient nonlinear digital compensation algorithms into advanced nonlinear compensation DSP to better cope with accumulated nonlinear damage in ultra long distance and multi span transmission

Low power optimization design for chips and circuits optimized for long-distance applications, optimizing energy efficiency while maintaining high performance and reducing module operating temperature

4.Transmission performance indicators

Table 4: Comparison of Transmission Distance and Tolerance (Typical Values)

Performance indicators TN12LDCT15 (this module) standard 200G module (reference) advantages

PCS-16QAM transmission distance increased by 20-25% from 1200-1500 kilometers to 1000-1200 kilometers

DP-QPSK transmission distance increased by 10-15% from 2200-2800 kilometers to 2000-2500 kilometers

Dispersion tolerance>± 45000 ps/nm>± 40000 ps/nm with stronger compensation capability

Polarization mode dispersion tolerance>30 ps>25 ps, with a 20% increase in tolerance

The OSNR margin requirement is reduced by approximately 0.5-1.0 dB, and the standard requires a more relaxed system design

5.Management monitoring function

Table 5: Enhancing Monitoring Capability

Enhanced monitoring category and special management function for monitoring parameters

Performance depth monitoring, nonlinear damage coefficient estimation, OSNR degradation trend across different segments, FEC error correction mode statistics, support link performance prediction and warning

Health assessment of laser aging coefficient, DSP chip health status, module life prediction, preventive maintenance support

Fine power control with 0.01dBm step wise transmission power adjustment supports more precise optical power budget management

Diagnostic enhancement supports link performance traceability analysis, which can locate the main causes of performance degradation (such as nonlinearity, ASE noise, etc.)and quickly locate faults

6.Application scenarios

Table 6: Typical Application Scenarios

The core problem solved by recommending modulation formats for application scenarios

The ultra long distance national backbone network DP-QPSK provides reliable 200G transmission capability over extremely long distances (>2000km), reducing the demand for electrical relay stations

DP-QPSK, a complex multi span submarine cable system, responds to the special environment of submarine cable systems (low OSNR, high nonlinearity) and provides stable transmission

PCS-16QAM backbone network in high demand areas provides higher system margin or supports more optical amplification segments at the same distance

The OSNR restricted link upgrade adaptive mode successfully upgraded to 200G on the existing 100G OSNR restricted link without adding relays

7.Compatibility and configuration requirements

Table 7: System Compatibility Requirements

Specific description of the required category

The compatibility of the host board must be compatible with the specified 200G line side card (such as TNG1A212), and the board software must support enhanced functions

The system software requires that the device host software version support enhanced FEC and advanced monitoring functions (usually requiring newer versions, such as V100R020C10 and above)

The compatibility of the optical layer system requires the optical amplifier system to provide sufficient OSNR performance to leverage its long-range advantages.It is recommended to conduct a complete link budget analysis before deployment.

The network management should support the configuration, monitoring, and data analysis of enhanced functions for the upper layer network management.

8.Maintenance and ordering information

Table 8: Maintenance and Ordering Points

Project Information

Component code TN12LDCT15

The identification feature module label clearly identifies"LDCT15", and the internal electronic label contains enhanced function identification

On site operation supports hot plugging, but it is recommended to operate during business downtime or maintenance windows.After replacement, performance needs to be re tested

The upgrade path can be upgraded from a standard 200G module (such as TN12LDCT81) to improve existing link performance or extend transmission distance

After testing and verifying the installation, a 72 hour stability test is required, with a focus on indicators such as FEC error correction count and OSNR stability

The transmission distance of the existing 200G system is insufficient for typical replacement scenarios; System expansion requires higher OSNR margin; Improve network reliability

Core Summary:

TN12LDCT15 is a long-range enhanced version of the 200G CFP2-DCO optical module series, designed specifically for 200G transmission scenarios with ultra long distances, complex links, or high reliability requirements.

Compared with standard 200G modules (such as TN12LDCT81), its main advantages are reflected in:

Further transmission distance: Through enhanced FEC and optimization algorithms, a distance extension of 10-25% can be achieved in both modulation formats.

Stronger system margin: Reduce OSNR requirements and reserve more security margin for network aging, unexpected losses, etc.

More advanced monitoring capabilities: providing deep diagnosis and predictive maintenance support to enhance network maintainability.

Selection suggestion: In scenarios where the transmission distance is close to the limit of standard modules, the link conditions are complex (such as aging fibers, multiple ROADM nodes), or there are extremely high requirements for long-term network stability, TN12LDCT15 is a more advantageous choice than standard modules. Its deployment requires stricter pre link validation and corresponding software version support.