OSN8800 WSMD9 TN15WSMD901 TN52WSMD9 9-Port Wavelength Selective Multiplexing and Demultiplexing Board

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1.Product Overview

1.Basic information of the board

Attribute specification description

OptiX OSN 9800 series intelligent optical transmission platform (compatible with OSN 8800/6800)

Board name: 9-port wavelength selection switch splitter (high-density flexible grid version)

Functional positioning enables on/off and dynamic wavelength scheduling of multi wavelength signals, supporting extended C-band and finer flexible grids

Type of board: Optical layer wavelength selection switch, combination/division board

Adaptation of OSN 8800 T64/T32/T16 subracks, OSN 6800 subracks, etc.

Front panel dimensions: height x width x depth: 264.6 mm x 50.8 mm x 220 mm

Weight 3.2 kg (estimated)

Typical power consumption of 26.0 W (estimated)

Maximum power consumption of 28.5 W (normal operation at maximum ambient temperature)

Working temperature -5°C to+55°C

Key features include 9-port dynamic wavelength scheduling, extended C-band support, flexible grid (6.25GHz or finer slicing), VOA attenuation adjustment per wavelength (0-20dB), online optical performance monitoring, optical layer ASON support, high isolation

2.Interface and Port Definition

Interface Identification Interface Type Quantity Function Description

AM1~AM8 LC/UPC 8-way uplink port, connected to 8-way single wavelength signal of local transmitter

DM1~DM8 LC/UPC 8 downlink ports, which downlink dynamically scheduled wavelengths to local receivers

EXPI/EXPO LC/UPC 2 expansion input/output ports for cascading or expanding applications

MON LC/UPC 1 online monitoring port, which can be connected to a spectral analyzer or spectral analysis unit to monitor signal performance without affecting business operations

3.Core functional characteristics

Functional Module Technical Description System Value

Dynamic wavelength scheduling supports dynamic routing of multiple wavelengths, enabling wavelength level business guidance and flexible all-optical switching networks.It also supports dynamic wavelength allocation in ring or chain networks

Extended C-band supports a working wavelength range covering the extended C-band (1528.8 nm -1567.6 nm), supporting 96 wave @ 50GHz systems to meet the requirements of high-density wavelength division systems and improve spectrum utilization efficiency

Flexible grid supports flexible grid adjustment with a minimum slice size of 6.25GHz (or finer), and each channel can continuously occupy 1-96 slices (6.25 * n GHz, n=1-96), compliant with ITU-T G.694.1 standard to adapt to 100G~800G mixed rate services and maximize spectral efficiency

Each wavelength VOA adjustment supports independent attenuation adjustment of 0-20dB for each on road wavelength, with a step size of 0.1dB to achieve fine adjustment of on road power, optimize nonlinear effects, and balance the performance of each channel

Online optical performance monitoring provides an online monitoring port that can monitor signal spectrum, optical power, OSNR and other parameters in real time without interrupting business for optical layer performance diagnosis and optimization, greatly improving operation and maintenance efficiency

Alarm and performance event monitoring: Real time detection of optical power and reporting of board related alarms and performance events for rapid fault location, achieving preventive maintenance

Optical layer ASON supports automatic switching of optical layers, providing basic support for intelligent optical networks and achieving automated wavelength level business scheduling and protection

4.Optical performance parameters

Table 1: Optical Performance Parameters of TN52WSMD9 (Flexible Grid Mode)

Parameter condition specification remarks

Working wavelength range: All ports range from 1528.8 nm to 1567.6 nm.Extended C-band, supporting 96 waves at 50GHz

Channel spacing -6.25 * n GHz (n=1~96) flexible grid, minimum slice 6.25GHz

-1dB spectral width ->(6.25n-3.125) GHz n is the number of consecutive occupied slices

Insertion loss (on road) AMx/EXPI → OUT (when VOA=0dB) ≤ 8.0 dB Loss from on road/extended input to output port

Insertion loss (downstream) IN → DMx/EXPO ≤ 12.0 dB Loss from input to downstream/expanded output port

Maximum channel insertion loss difference ≤ 1.3 dB between channels to ensure power balance among channels

Port isolation between adjacent channels>28 dB to suppress adjacent channel crosstalk

Port isolation>35 dB for non adjacent channels provides higher isolation

Extinction ratio - ≥ 35 dB

Directionality -40 dB to prevent reverse light interference

Reconfigure time - ≤ 2.5 s wavelength scheduling response time

Maximum reflectivity -42 dB for all ports with excellent return loss characteristics, reducing reflection

Polarization related loss ≤ 0.5 dB for all ports, friendly to high-speed modulation signals

Table 2: On road wavelength attenuation adjustment parameters

Parameter specification remarks

The attenuation range of each wavelength is 0-20 dB, and each on road wavelength is independently adjustable

Attenuation adjustment accuracy ≤ 0.5 dB (0~10dB range) High precision adjustment within low attenuation range

Attenuation adjustment accuracy ≤ 1.0 dB (10~20dB range) ensures performance within high attenuation range

5.Power consumption and mechanical parameters

Parameter specifications

Typical power consumption 26.0 W

Maximum power consumption of 28.5 W (normal operation at maximum ambient temperature)

Front panel dimensions 264.6 mm (height) x 50.8 mm (width) x 220 mm (depth)

Weight 3.2 kg

Working temperature -5°C to+55°C

Storage temperature -40°C to+70°C

6.Comparison with WSMD9 boards of the same series

Features TN11WSMD9 TN12WSMD9 TN15WSMD9 TN52WSMD9

Channel spacing 50/100GHz fixed 50/100GHz fixed flexible grid (12.5GHz slice) flexible grid (6.25GHz slice)

Working wavelength range: C-band, C-band, C-band extension, C-band

Attenuation range per wavelength 0-15dB 0-15dB 0-15dB 0-20dB

Port isolation>25dB>27dB>25dB>28dB

Power consumption~25W 24.0W 25.0W 26.0W

7.Application scenarios

Core Value of Application Scenario Deployment Method

High density flexible grid network is deployed in ring/chain network nodes that require 96 waves @ 50GHz high-density and 6.25GHz fine grid, supporting mixed rate transmission of over 100G/400G/800G, maximizing spectrum utilization efficiency

Expand the C-band ROADM node as the core routing unit of ROADM nodes, supporting the construction of a high-capacity and flexible all-optical switching network through the expansion of C-band full band scheduling

Optical layer ASON intelligent network serves as a schedulable unit to achieve automated business scheduling and protection in networks that require intelligent features

Online performance monitoring points use monitoring ports to connect optical performance monitoring units (OPM) for real-time monitoring of channel power and spectrum, achieving visualization of the optical layer

8.Maintenance and ordering information

Project Information

Component code TN52WSMD9

Ordering instructions: When placing an order, it is necessary to confirm the working band (extended C-band) and flexible grid configuration requirements

Compatible with sub racks OSN 8800 T64/T32/T16, OSN 6800, etc

On site operation supports hot plugging, and anti-static wrist straps should be worn during operation.Pay attention to cleaning the fiber optic connectors

After the installation of VOA configuration, VOA attenuation calibration needs to be performed through the network management to ensure control accuracy

The monitoring port can be connected to a spectral analyzer to monitor and output spectra in real-time

After testing and verifying installation, insertion loss testing, port connectivity testing, wavelength scheduling function verification, VOA function verification, and grid configuration verification are required

As a new generation flexible grid core board, spare parts management is recommended to be configured at critical nodes in the network

Core Summary:

TN52WSMD9 is a new generation 9-port wavelength selective switch splitter for high-density flexible grid networks in the OSN 9800/8800/6800 platform.Based on TN15WSMD9, it further supports expanding the C-band and 6.25GHz fine flexible grid, and improves the VOA dynamic range and isolation.It is a core component for building future high-capacity, multi rate hybrid transmission networks.

Core values and positioning:

Higher spectral efficiency: 6.25GHz minimum slice granularity, supporting fine spectrum allocation for services at any rate from 100G to 800G, with spectral efficiency nearly doubled compared to 12.5GHz grid.

Larger capacity coverage: Extended C-band (1528.8-1567.6nm) supports 96 wave @ 50GHz systems to meet the growing bandwidth demand.

Enhanced power management: 0-20dB VOA range, 0.1dB step, achieving more flexible routing power control.

Intelligent operation and maintenance: online monitoring, optical layer ASON support, laying the foundation for optical layer autonomous driving networks.

Application suggestion:

This board is suitable for over 100G/400G network nodes that require high-density, flexible grid, and mixed rate.It is recommended to collaborate with other TN52 series boards and iMaster NCE during deployment to achieve end-to-end intelligent control.

Note: This introduction is based on the WSMD9 series universal technical framework and TN52 platform features. Please refer to the latest official specifications for specific parameters.