HW OSN6800 TN12M40V 40-wave Automatic Adjustable Optical Attenuation Multiplexer VOA (C_Even 196.00THz~192.10THz 100GHz LC)

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1.Product Overview

1.Basic information of the board

Attribute specification description

OptiX OSN 9800 series intelligent optical transmission platform

Board name: 40 channel DWDM combiner board (supports flexible grid, enhanced type)

Functional positioning synthesizes up to 40 DWDM single wavelength signals into one combined signal for line transmission, supporting flexible grid configuration

Type of board: Passive multiplexer

Compatible with subracks such as OSN 9800 U series/M series that support TN series cards

The physical dimensions comply with the TN series business board standard dimensions

Typical power consumption 0 W (passive design, no power supply required)

Working temperature -5°C to+55°C

Humidity requirement 5% to 95% RH, no condensation

Key features include 40 channel multiplexing, Flex Grid support, passive zero power consumption, low insertion loss optimization, high isolation, and integrated MON monitoring port

2.Interface and Port Definition

Interface Identification Interface Type Quantity Function Description

CH1~CH40 LC/UPC 40 channel input ports, connected to various wavelength transmitters (such as TNG1A212 200G/400G circuit boards), receive single wavelength signals

COM LC/UPC 1 common output port, outputting multiplexed multi wavelength signals to the line side (such as connecting optical amplifiers or fiber optic lines)

MON LC/UPC 1 monitoring port, coupled with approximately 1% to 2% of optical signals, used for online optical performance monitoring

3.Core functional characteristics

Functional Characteristics Technical Description System Value

Wavelength multiplexing is based on array waveguide grating (AWG) or configurable optical filtering technology, which synthesizes 40 different wavelength optical signals into one for transmission, achieving single fiber transmission of multi wavelength signals.It is the core transmitting component of DWDM systems, greatly improving fiber utilization efficiency

Flexible grid supports fixed spacing of 50GHz/100GHz and flexible grid adjustment of 37.5GHz~400GHz, conforming to the ITU-T G.694.1 standard flexible grid specification to adapt to systems with different channel spacing, supporting coexistence of mixed rates (10G/100G/200G/400G), maximizing spectrum utilization efficiency, and providing a foundation for the evolution towards over 100G

Extended C-band coverage with working wavelengths covering Super C-band (1524.50 nm~1572.06 nm) supports flexible configuration of 40 channels and can be extended to more wavelength channels to meet the demand for improving spectral efficiency

The AWG design optimized for low insertion loss and low loss fiber minimize the insertion loss of the combined wave.Compared with TN11M40V, it further optimizes and reduces the consumption of system optical power budget, improves transmission distance, and better supports high-speed transmission such as 200G/400G

High isolation adjacent channel isolation typical value>28dB, non adjacent channel>40dB effectively suppresses inter channel crosstalk, ensures signal quality, and supports long-distance transmission

Passive design is entirely based on passive optical components to achieve functionality, without the need for power supply, zero power consumption, and zero heat generation.It has extremely high reliability and long service life, without the need for heat dissipation considerations

The integrated monitoring port is equipped with a 1 ×2 splitter, which couples approximately 1% to 2% of the signal to the MON port, without affecting the main channel to achieve uninterrupted online spectral analysis and optical performance monitoring, facilitating network maintenance and optimization

4.Optical performance parameters

Parameter condition specification remarks

Working wavelength range -1524.50 nm~1572.06 nm Super C band, in line with Huawei platform evolution route

Channel spacing - supports 50GHz/100GHz fixed spacing

Supports flexible grid adjustment from 37.5GHz to 400GHz, compliant with ITU-T G.694.1 standard for flexible grid

Channel bandwidth (-1dB) 50GHz interval ≥ 0.2 nm to ensure signal passage

Channel bandwidth (-1dB) 100GHz interval ≥ 0.4 nm to ensure signal passage

Insertion loss for all channels, including connectors ≤ 4.8 dB (typical value), including losses from the multiplexer itself and connectors, optimized compared to TN11M40V

Consistency: The insertion loss difference between each channel is ≤ 1.2 dB, ensuring power balance at the transmitting end of each channel and avoiding OSNR degradation in some channels

Adjacent channel isolation ≥ 28 dB to suppress adjacent channel crosstalk

Non adjacent channel isolation interval ≥ 2 channels ≥ 35 dB provides higher isolation

Polarization related loss ≤ 0.3 dB for all channels, insensitive to polarization effects, suitable for high-speed coherent optical modules

Return loss of all ports ≥ 45 dB reduces the impact of reflection on the laser

Directionality - ≥50 dB to prevent reverse light interference

The coupling ratio of MON port to monitoring port is 1%~2% ± 0.5%, and the main channel loss increases by<0.1dB

5.Power consumption and environment

Parameter specifications

Power consumption 0 W (passive design, no power supply required)

Working temperature -5°C to+55°C

Storage temperature -40°C to+70°C

Relative humidity 5% to 95% RH, no condensation

Air pressure requirement: 70 kPa to 106 kPa

6.Application scenarios

Core Value of Application Scenario Deployment Method

In the ROADM network supporting Flex Grid, the flexible grid DWDM system serves as a standard uplink multiplexing unit in conjunction with a wavelength selective switch (WSS) to achieve flexible wavelength scheduling and spectrum allocation, supporting coexistence of mixed rate services

The transmitting end of the over 100G terminal station (OTM) synthesizes the single wavelength signals (100G/200G/400G) from 40 transmitters into one output in the OTM station, which supports flexible grid configuration and adapts to the spectrum requirements of future network evolution such as 400G/800G

The core/aggregation layer wavelength division network aggregates multiple 100G/200G/400G services at the core node onto the same fiber to maximize fiber spectrum utilization, reduce transmission costs per bit, and support multi rate hybrid transmission

Data Center Interconnection (DCI) provides a high-capacity, low-cost DCI interconnection solution at the data center exit, which combines wavelengths from multiple machine rooms and transmits them to remote data centers to meet future 400G/800G requirements

Fixed OADM nodes, in conjunction with OADM boards, insert local business wavelengths before combining to achieve fixed wavelength on road functionality, flexible networking, and support for flexible grid planning

Online spectral monitoring points use MON ports to connect optical performance monitoring units (OPMs) or spectral analyzers for real-time monitoring of channel power, wavelength offset, and OSNR, achieving optical layer visualization

7.Maintenance and ordering information

Project Information

Component code TN12M40V (specific versions such as TN12M40V01, etc.)

Ordering instructions: When placing an order, it is necessary to confirm the flexible grid support range, working band, and whether the MON port is included

The standard configuration for connector selection is LC/UPC, supporting customized options such as LC/APC, SC/UPC, etc

Port identification: Each channel port needs to be accurately matched with the transmitter wavelength based on flexible grid planning

On site operation supports hot plugging, and anti-static wrist straps must be worn during operation to keep the fiber end face clean

After testing and verifying installation, insertion loss testing and connectivity testing of each channel are required.If necessary, a spectrometer should be used to verify the composite spectrum

As a passive component, the spare parts strategy has extremely high reliability and can reduce the proportion of spare parts appropriately.However, critical nodes can be configured with spare parts for quick recovery

Core Summary:

TN12M40V is an enhanced 40 channel DWDM multiplexer for the OSN 9800 platform, designed for the super 100G era and supporting flexible grids.It optimizes key optical indicators based on TN11M40V to better meet the transmission requirements of high-speed signals such as 200G/400G.

Core values and positioning:

Flexible Grid Support: Supports 50GHz/100GHz fixed spacing and 37.5GHz~400GHz flexible adjustment, adapts to systems with different channel spacing, supports mixed transmission of multi rate services such as 100G/200G/400G, and maximizes spectrum utilization efficiency.

Enhanced performance support: Compared to TN11M40V, the optimized insertion loss (≤ 4.8dB) and consistency (≤ 1.2dB) indicators better support high-speed signal transmission such as 200G/400G, adapting to the demands of the over 100G era.

Super C band coverage: The working wavelength covers 1524.50 nm to 1572.06 nm (Super C band), providing a foundation for the evolution towards Super C+Super L.

Future oriented evolution: compatible with OSN 9800 platform supporting single wave 800G and smooth evolution to 1T/2T in the future, protecting network investment.

Integrated monitoring capability: Standard MON monitoring port, supporting online spectral analysis and performance monitoring, providing a foundation for intelligent optical layer management.

Difference from TN11M40V:

Features TN11M40V TN12M40V

Insertion loss ? 5.0 dB ? 4.8 dB (optimized)

Insertion loss consistency ? 1.5 dB ? 1.2 dB (optimized)

Working band extension C-band (1528.8-1567.6nm) Super C-band (1524.5-1572.06nm)

Applicable systems: 100G/200G systems, 200G/400G and above systems

Application suggestion:

This board is a core multiplexing component in the OSN 9800 wavelength division system, designed for the over 100G era and supporting flexible grids. It is particularly suitable for ROADM networks that require flexible spectrum allocation, multi rate mixed transmission, support for 200G/400G high-speed rates, and newly built flexible grid DWDM systems. During deployment, flexible grid configuration should be planned based on the system channel spacing, and the optical performance monitoring unit should be connected to the MON port to construct a visualized intelligent optical layer.