Optical Transmission TN15DWSS20:Dual 20-Port Wavelength Selective Switching Multiplexing and Demultiplexing Board(C-band)OSN8800

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Descripci?n del producto

1.Product Overview

1.Basic information of the board

Attribute specification description

OptiX OSN 9800 series intelligent optical transmission platform

Board name: 20 port wavelength selection switch, combination/division board

Functional positioning enables dynamic wavelength scheduling for 20 ports, supporting flexible grid and direction independent wavelength up and down routing

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

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

Front panel dimensions: height x width x depth: 264.6 mm x 76.2 mm x 220 mm

Weight 3.5 kg (estimated)

Typical power consumption of 28.0 W (estimated)

Maximum power consumption of 30.5 W (normal operation at maximum ambient temperature)

Working temperature -5°C to+55°C

Key features: 20 port dynamic wavelength scheduling, flexible grid support, extended C+band, 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

COM LC/UPC 1 public port, connected to local business or multiplexing units

LINE1~LINE8 LC/UPC 8 line direction ports, respectively connected to 8 different directions of line optical fibers

ADD1~ADD6 LC/UPC 6 uplink port, connected to the single wavelength signal of the local transmitter

DROP1~DROP6 LC/UPC 6 downlink ports, which downlink dynamically scheduled wavelengths to local receivers

MON1/MON2 LC/UPC 2 online monitoring port, which can be connected to a spectral analyzer or spectral analysis unit to monitor signal performance without affecting business operations

EXP LC/UPC 1 expansion port, used for cascading or expanding applications

3.Core functional characteristics

Functional Module Technical Description System Value

20 port wavelength scheduling supports dynamic wavelength routing between 1 public port, 8 line direction ports, and 12 up/down ports, achieving wavelength level flexible scheduling to build the core components of large-scale ROADM nodes, and supporting flexible guidance of multi-directional business

Direction independent wavelength uplink and downlink support any uplink port to insert wavelengths into any line direction, and wavelengths in any line direction can be downlink to any downlink port to achieve a colorless, non directional, and non blocking all-optical switching network, greatly improving network configuration flexibility

Flexible grid supports 50GHz fixed spacing and flexible grid adjustment, complying with ITU-T G.694.1 standard.Flexible grid specification meets the transmission requirements of mixed rate services ranging from 100G to 800G, flexibly allocates bandwidth, and improves spectrum utilization efficiency

Extended C+band supports working wavelength range coverage.Extended C+band (1524.50 nm -1572.06 nm) supports high-density DWDM systems with 120 waves @ 50GHz, meeting the demand for improving spectral efficiency

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

Online optical performance monitoring provides 2 high-precision online monitoring ports, which 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 TN15DWSS20 (Flexible Grid Mode)

Parameter condition specification remarks

The working wavelength range includes all ports from 1524.50 nm to 1572.06 nm in the extended C+band, which conforms to the platform evolution route

Channel spacing -50GHz fixed spacing or flexible grid support 37.5GHz~400GHz flexible adjustment

Insertion loss COM↔Insertion loss between LINE/ADD/ROP ≤ 9.0 dB common port and any other port

Maximum channel insertion loss difference ≤ 1.5 dB between ports to ensure power balance across all channels

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

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

Directionality -40 dB to prevent reverse light interference

Each wavelength attenuation range is independently adjustable from 0-20 dB for each routing wavelength, with a step size of 0.1dB

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

Attenuation adjustment accuracy 10-20dB range ≤ 1.0 dB High attenuation range ensures performance

Reconfigure time - ≤ 3 seconds 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

5.Power consumption and mechanical parameters

Parameter specifications

Typical power consumption 28.0 W

Maximum power consumption of 30.5 W (normal operation at maximum ambient temperature)

Front panel dimensions 264.6 mm (height) x 76.2 mm (width) x 220 mm (depth)

Weight 3.5 kg

Working temperature -5°C to+55°C

Storage temperature -40°C to+70°C

6.Application scenarios

Core Value of Application Scenario Deployment Method

Large scale ROADM nodes are deployed at the core nodes of the backbone network, serving as the core wavelength routing unit to support large-scale scheduling of 8 line directions and 12 uplink and downlink ports, meeting the demand for multi-directional business aggregation

Multi directional business hubs are deployed at core nodes where multiple directions intersect, achieving wavelength level dynamic scheduling to support flexible guidance of multi-directional business and improve network resource utilization

The mixed rate flexible grid network deploys flexible grids to support the bandwidth requirements of different rate services at nodes that need to simultaneously carry 100G/200G/400G/800G mixed rate services, maximizing spectrum utilization efficiency

Optical layer ASON intelligent network serves as a programmable routing unit in networks that require optical layer intelligence features.Optical layer ASON supports automated business scheduling and protection, reducing operation and maintenance costs

Deploying high-density systems in the extended C+band network supporting 120 waves @ 50GHz to meet future high-capacity transmission needs, compatible with the platform's Super C+evolution route

The online performance monitoring point utilizes two monitoring ports to connect the optical performance monitoring unit (OPM) for real-time monitoring of channel power and spectrum, achieving visualization of the optical layer

7.Maintenance and ordering information

Project Information

Component code TN15DWSS20

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

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

Two monitoring ports can be used to connect to a spectral analyzer for real-time monitoring of output spectra

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

Spare parts management, as the core board of large-scale ROADM nodes, is recommended to configure spare parts at critical network nodes

Core Summary:

TN15DWSS20 is a 20 port wavelength selective switch splitter designed for large-scale ROADM nodes in the OSN 9800 platform.It provides dynamic wavelength scheduling capabilities for 1 common port, 8 line direction ports, and 12 up and down ports.It is the core component for building large-scale, multi-directional, and flexible grid all optical networks.

Core values and positioning:

Large scale wavelength scheduling core: The 20 port design supports 8 line directions and 12 up and down ports, meeting the needs of multi-directional business aggregation and guidance.

Flexible Grid Support: Compliant with ITU-T standard flexible grid specifications, it can meet the bandwidth requirements of 100G~800G mixed rate services and improve spectrum utilization efficiency.

Extended C+band coverage: Operating wavelength range of 1524.50-1572.06nm, fully compatible with the OSN 9800 platform Super C+evolution route, supporting 120 wave @ 50GHz high-density systems.

Refined power management: Independent 0-20dB VOA adjustment per wavelength, 0.1dB step, can remotely and accurately adjust routing power, optimizing system performance.

Intelligent operation and maintenance support: Provides 2 online monitoring ports and comprehensive alarm monitoring functions, supports optical layer ASON, and provides a foundation for intelligent optical networks.

Application suggestion:

This board is the core routing component for large-scale ROADM networks in the OSN 9800 wavelength division system, and is particularly suitable for scenarios that require multi-directional scheduling, flexible grid support, and high-density capacity, such as backbone network core nodes, multi-directional business hubs, and interconnection of ultra large scale data centers. When deploying, it is necessary to combine the iMaster NCE intelligent control system to achieve automated operation and maintenance of the optical layer and dynamic management of spectrum resources. For small and medium-sized nodes, more compact WSS cards such as TN11WSMD9 (9-port) can be considered.