Board TN96NS4 TN97NS4 TN960BU1 TN970BU2 TN970AU2 TN96WSD9 TN96WSM9 TN97ASE TN97ITL TN51LMU TN97TD20 TN97TM20 TN97RPC TN97ERPC

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Yantai Boxin International Trading Co., Ltd. supplies products to various telecom operators, meeting their needs for supplementing and expanding 2G/3G/4G/5G network stations.Our current equipment portfolio covers brands such as Nokia, Ericsson, Alcatel, Huawei, ZTE, ZTT, and FiberHome. 

We expand our international market share by offering high-quality products, excellent service, competitive pricing, and timely delivery.Feel free to contact us for more information.

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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: Line monitoring unit board

Functional positioning enables real-time online monitoring and performance analysis of key parameters such as optical power and optical signal-to-noise ratio (OSNR) in optical circuits

Board type Optical Performance Monitoring Processing Board (OPM)

Adaptation subrack OSN 8800 T64/T32/T16 subrack, OSN 8800 universal platform subrack, OSN 6800 subrack, OSN 9800 universal platform subrack

Occupy 1 slot

Front panel dimensions: height x width x depth: 264.6 mm x 25.4 mm x 220 mm

Weight 1.0 kg

Typical power consumption 18.0 W

Maximum power consumption of 22.0 W (normal operation at maximum ambient temperature)

Working temperature -5°C to+55°C

Initial software version V100R005C00

Key features include online optical performance monitoring, spectral analysis function, OSNR real-time monitoring, channel optical power monitoring, center frequency offset detection, alarm and performance event reporting, and optical layer ASON support

2.Interface specifications

Interface Identification Interface Type Quantity Function Description

MON1/MON2 LC/UPC 2 high-precision online monitoring port, receiving spectral signals from the FIU board MON port or the optical amplifier board MON port for spectral analysis and performance monitoring

System interface backplane connection - communicates with the main control board (SCC), reports monitoring data, and receives configuration instructions

3.Core functional characteristics

Functional Module Technical Description System Value

Online optical performance monitoring enables real-time monitoring of spectral information in optical lines without interrupting business operations for optical layer performance diagnosis and optimization, greatly improving operational efficiency

The spectral analysis function supports high-precision spectral scanning and analysis of C-band or extended C-band signals, which can obtain key parameters such as center wavelength, optical power, and OSNR for each channel

OSNR real-time monitoring calculates and monitors the optical signal-to-noise ratio (OSNR) of each channel in real-time, providing key data for system performance evaluation and fault warning

Channel optical power monitoring monitors the real-time optical power of each DWDM channel, supports power balance analysis and threshold alarm to quickly locate power abnormal channels, and assists in fault diagnosis

Center frequency offset detection detects the offset between the center frequency of each channel and the ITU-T standard grid, warns of laser wavelength drift, and prevents adjacent channel crosstalk

Alarm and performance event monitoring support rich alarm and performance event reporting, such as channel loss, OSNR degradation, wavelength offset exceeding limit, etc., for fast fault location and preventive maintenance

Historical data recording supports periodic recording and storage of performance data to assist in network optimization and fault tracing analysis

Optical layer ASON supports real-time performance data support for optical layer automatic switching optical networks, providing a foundation for intelligent optical networks and supporting automated wavelength level business scheduling

4.Optical performance parameters

Table 1: Key Optical Indicators

Parameter specification remarks

Working wavelength range: 1528.8 nm -1567.6 nm Extended C-band, supporting 96 wave @ 50GHz system

Monitoring channel count ≥ 96 supports independent monitoring of all DWDM channels

Wavelength measurement range: 1528.8 nm -1567.6 nm, full band coverage

Wavelength measurement accuracy ± 0.02 nm typical value

Optical power measurement range -50 dBm to+10 dBm Single channel power measurement range

Optical power measurement accuracy ± 0.5 dB typical value

OSNR measurement range 0 dB~30 dB @ 0.1nm resolution bandwidth

OSNR measurement accuracy ± 1.0 dB typical value

Resolution bandwidth of 0.1 nm meets OSNR measurement standards

Scan time<5 s (full band) to quickly complete spectral scanning

Input optical power range -30 dBm~0 dBm MON port input range

Polarization related loss ≤ 0.3 dB is insensitive to polarization effects

Table 2: Summary of Monitoring Parameters and Accuracy

Monitoring parameter measurement range measurement accuracy resolution

Center wavelength 1528.8-1567.6 nm ± 0.02 nm 0.001 nm

Channel optical power -50~+10 dBm ± 0.5 dB 0.01 dB

OSNR     0 ~ 30 dB   �1.0 dB  0.1 dB

Channel spacing 25-200 GHz ± 0.5 GHz 0.1 GHz

5.Monitoring and management functions

Monitoring Category Monitoring Parameter Management Function

Real time spectral monitoring, real-time spectral map, visualization of peak power and center wavelength of each channel to display the current state of the optical layer

Channel performance monitoring: optical power of each channel OSNR, Frequency offset setting high and low threshold alarms, automatically reported in case of abnormalities

Historical performance records for 15 minutes/24 hours.Performance statistics support performance trend analysis and fault tracing

Alarm management channel loss, OSNR degradation, wavelength offset exceeding limits, power exceeding limits for rapid fault location, achieving preventive maintenance

Performance event reporting records the time, type, and parameters of performance degradation events to assist in network optimization and fault diagnosis

6.Power consumption and mechanical parameters

Parameter specifications

Typical power consumption 18.0 W

Maximum power consumption of 22.0 W (normal operation at maximum ambient temperature)

Front panel dimensions 264.6 mm (height) x 25.4 mm (width) x 220 mm (depth)

Weight 1.0 kg

Working temperature -5°C to+55°C

Storage temperature -40°C to+70°C

Relative humidity 5% to 95% RH, no condensation

7.Compatible with subrack and slot requirements

Sub rack type effective slot position

OSN 8800 T64 subracks IU1-IU8, IU11-IU42, IU45-IU68

OSN 8800 T32 subracks IU1-IU8, IU12-IU27, IU29-IU36

OSN 8800 T16 subrack IU1-IU8, IU11-IU18

OSN 8800 Universal Platform Sub Frame IU3-IU16

OSN 6800 subracks IU1-IU8, IU11-IU16

OSN 9800 Universal Platform Subracks IU1-IU15

8.Application scenarios

Core Value of Application Scenario Deployment Method

The key nodes of the trunk network are deployed at important nodes on long-distance trunk lines, such as ROADM nodes and OLA stations.The MON port connected to the FIU board monitors the optical performance of the trunk line in real time, warns potential faults, and ensures the stable operation of the backbone network

Deploy optical performance monitoring points at critical branching or convergence points in the network to obtain performance data of key nodes across the entire network, achieving optical layer visualization

ROADM node performance monitoring is deployed internally within ROADM nodes, monitoring the performance of on/off and through channels to provide performance data support for wavelength level dynamic scheduling

The optical layer ASON network serves as a performance data collection point in networks that require optical layer intelligence, providing real-time link performance information for the ASON control plane and supporting automatic routing calculation

Network optimization and expansion provide accurate OSNR and channel power data to assist in network planning and optimization when deploying nodes that require evaluation of system margin or planning for expansion

9.Maintenance and ordering information

Project Information

Component code TN51LMU

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

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

Testing and verification: After installation, monitoring function verification and measurement accuracy verification are required

Spare parts management, as a key performance monitoring point in the network, is recommended to configure spare parts at important nodes

Software dependency requires support from the host software version (V100R005C00 and above)

Core Summary:

TN51LMU is a line monitoring unit board in the OSN 9800/8800/6800 platform.As the core component of optical performance monitoring, it can monitor the spectral information in the optical line in real time without interrupting business, providing key parameters such as center wavelength, optical power, and OSNR for each DWDM channel, and providing accurate data support for network operation, optimization, and fault diagnosis.

Core values and positioning:

Optical layer visualization enabler: Real time online monitoring that converts invisible fiber optic transmission status into visualized spectral and performance data.

Fault warning and diagnosis: through power OSNR, Real time monitoring and threshold alarm of wavelength offset, early warning of potential faults, and rapid localization of problems.

Network optimization foundation: Provide accurate OSNR and channel power data to provide decision-making basis for system margin evaluation, network expansion, and performance optimization.

Intelligent optical network data source: provides real-time link performance information for optical layer ASON and SDN controllers, supporting automated business scheduling and routing calculations.

Application suggestion:

This board is the core component for building a monitored and optimized intelligent optical layer in the OSN 9800 wavelength division system. It is recommended to deploy it at key nodes of the backbone network, ROADM stations, OLA stations, etc., and use it in conjunction with the MON port of the FIU board to achieve comprehensive control over the performance of the optical layer. During deployment, it is necessary to ensure that the input optical power of the MON port is within the range of -30dBm to 0dBm to ensure measurement accuracy.