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

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Descri??o do produto

1.Product Overview

Table 1: Basic Identification and Specifications

Attribute specification description

OptiX OSN 9800 series intelligent optical transmission platform

Module Name: 200G Dual Carrier Tunable Digital Coherent Optical Module

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

Functional positioning: Line side wavelength conversion and transmission optical device, supporting 200G single wave transmission

Physical dimensions comply with CFP2 MSA (Multi Source Protocol) standard packaging

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

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 22W

2.Optical interface and transmission characteristics

Table 2: Key Optical Layer Parameters

Parameter specifications

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

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

Wavelength adjustable range in the entire C-band (channels 18~61, approximately 191.35 THz to 196.10 THz)

Wavelength tuning step supports 75 GHz flexible grid

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

Center frequency accuracy ± 0.5 GHz (under stable operating conditions)

Receiving sensitivity ≤ -12 dBm (under BER=2E-2, FEC pre threshold conditions, PCS-16QAM mode)

Optical signal-to-noise ratio tolerance ≤ 11.0 dB @ 0.1nm RBW (reaching the BER threshold before FEC, PCS-16QAM mode)

3.Core functions and technologies

Table 3: Key Technical Characteristics

Technical characteristics, technical specifications, performance advantages

Probability shaping technology optimizes the probability of 16QAM constellation diagram, reducing the average power and signal peak to average ratio.Compared with standard 16QAM, it improves the OSNR margin by about 1dB and has higher capacity at the same distance

Dual carrier aggregation uses two independent 100G optical carriers to aggregate 200G signals in the electrical layer, reducing the bandwidth requirements for single carrier devices and improving system performance and reliability

Adaptive modulation supports software switching between 16QAM and QPSK modes to achieve flexible balance between capacity and distance, meeting the needs of different application scenarios

High performance soft decision FEC adopts advanced soft decision forward error correction algorithm with gain>11dB to provide powerful error correction capability for high-order modulation signals, ensuring ultra long distance transmission

Integrated high-performance DSP for fully digital coherent reception, realizing real-time compensation of dispersion, polarization mode dispersion, and nonlinear effects for fully digital signal processing and damage, simplifying optical layer design

4.Transmission performance indicators

Table 4: Transmission Damage Tolerance and Distance

Performance indicators PCS-16QAM mode DP-QPSK mode

Dispersion tolerance>± 40000 ps/nm (fully digital compensation)>± 40000 ps/nm (fully digital compensation)

Polarization mode dispersion tolerance>25 ps>25 ps

Typical transmission distance is about 1000-1200 kilometers, about 2000+kilometers

Applicable scenarios include regional backbone, urban core ultra long distance backbone, and submarine cable systems

OSNR requires high (typical value>14dB @ 0.1nm) and low (typical value>10dB @ 0.1nm)

5.Management monitoring function

Table 5: Monitoring and Management Capability

Management dimension monitoring parameters and functions

Real time monitoring of optical layer performance, including input/output optical power, laser temperature and bias current, estimation of OSNR, and carrier frequency offset

Monitor the transmission/reception side DSP pre-processing bit error rate, FEC error correction before/after bit error rate, and modulation format status of the electrical layer and DSP

Alarm management: laser loss of lock, wavelength loss of lock, input signal loss, DSP out of step, FEC overload, modulator failure

Configuration management includes wavelength configuration, output power adjustment, modulation format switching, and performance monitoring enabling/disabling

Diagnostic information module production information, serial number, usage duration, temperature history, alarm log

6.Application scenarios

Table 6: Typical Application Scenarios

The core problem solved by recommending modulation formats for application scenarios

Regional/provincial backbone network upgrade PCS-16QAM achieves doubling of single wave capacity while maintaining a transmission distance equivalent to the original 100G system, efficiently utilizing fiber optic spectrum

Metro core interconnection and DCI PCS-16QAM meet the high-capacity and low latency requirements for data center interconnection or core node interconnection within the metropolitan area

DP-QPSK, a long-distance national trunk line, provides a total single fiber capacity higher than 100G on links over 2000 kilometers in length

Complex multi span link DP-QPSK (or adaptive) provides robust transmission performance in OSNR limited aging links or multi ROADM penetration scenarios

7.Compatibility and configuration requirements

Table 7: System Compatibility Requirements

Specific description of the required category

The compatibility of the host board must be used in conjunction with the specified 200G line side card, such as TNG1A212.Not supported for 100G or 400G cards.

The system software requires that the software version of the host board and device must support 200G rate, PCS-16QAM modulation, and corresponding FEC algorithm.

The compatibility of the optical layer system requires the wavelength division system (multiplexer/demultiplexer, ROADM) to support channel spacing of 75GHz or wider.The optical amplification unit needs to be able to provide sufficient OSNR in the target wavelength band.

The network administrator should be able to recognize the module and support the configuration and monitoring of its specific parameters (such as modulation format).

8.Maintenance and ordering information

Table 8: Maintenance and Ordering Points

Project Information

Component code TN12LDCT81

The module identification module has clear identification on the outer shell, and the internal electronic tag contains complete model, serial number, and compatibility information.

On site operation supports hot plugging.Warning: Before replacing the module, the laser must be turned off on the network management to prevent damage to the optical interface caused by plugging and unplugging with light.

Upgrades and replacements are used to upgrade existing 100G lines to 200G or as spare parts for 200G systems.Cannot be mixed with 100G modules (such as TN11LDCT81).

After performance acceptance and installation, it is necessary to verify the optical power, center wavelength, OSNR, and bit error rate (stability testing for at least 24 hours is required).

Core Summary:

TN12LDCT81 is a 200G rate level CFP2-DCO pluggable coherent optical module.It represents a crucial step in the evolution from 100G to over 100G, significantly improving spectral efficiency by achieving 200G transmission on a single channel.

Its core value lies in the flexible"capacity distance" balancing ability:

PCS-16QAM mode: For transmission in the range of~1000 kilometers, it doubles the capacity and is the preferred choice for upgrading regional backbone networks.

DP-QPSK mode: provides a total fiber capacity higher than 100G for ultra long distance transmission over 2000 kilometers.

This module is the fundamental component for building a future oriented high-capacity optical transmission network, and its deployment requires rigorous optical link OSNR budget evaluation to ensure that its high-performance characteristics can be fully utilized.