Optix OSN8800 LOG 03030KRF TN12LOGT01 TN12LOG 8 X Gigabit Ethernet Unit

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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. 

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Product Description

1.Product Overview

Table 1: Basic Identification and Specifications

Attribute specification description

OptiX OSN 9800 series intelligent optical transmission platform

Board name: gain flat optical amplifier board

Functional positioning of optical signal power amplification and gain spectrum flattening for long-distance, multi span transmission systems

Type of board: Unidirectional gain flat optical amplifier board

Physical dimensions: height x depth: 30.0 mm x 220.0 mm

The slot requirement requires one OA sub rack or universal sub rack for the optical amplifier board card slot

Typical power consumption of 50W (full load working state)

Working temperature -5°C to+55°C

Key feature: Built in gain flattening filter (GFF) to optimize the gain flatness of multi span transmission

2.Interface and Optical Characteristics

Table 2: Optical Interface Specifications

Interface type, number of connectors, functional description

Optical input port (IN) LC/UPC 1 receives C-band optical signals from the line

Optical output port (OUT) LC/UPC 1 output amplified and gain flattened optical signal

Monitoring interface LC/UPC 2 OSC optical monitoring channel interface

The communication interface communicates with the main control board through the backplane, receives instructions, and reports status

Table 3: Core Optical Amplification Parameters

Parameter specification remarks

Working band C band (1529-1562 nm)

Gain range 18 dB to 30 dB software adjustable

Maximum output power+22 dBm saturated output power

Noise factor ≤ 5.5 dB @ maximum gain condition

Key advantage indicators for gain flatness ≤ 0.8 dB (typical value)

Input power range -28 dBm to+3 dBm

Polarization related gain ≤ 0.3 dB

3.Core functions and gain flattening technology

Table 4: Detailed explanation of gain flattening function

Functional Characteristics Technical Description System Value

The built-in GFF (gain flattening filter) integrates a specific attenuation curve optical filter inside the amplifier to compensate for the gain fluctuations of the EDFA itself.Ensure that after multi-stage amplification, the power differences between different wavelength channels will not accumulate and be amplified, avoiding severe deterioration of OSNR in some channels.

Flatness optimization design is aimed at optimizing the flatness curve for multi span cascading scenarios.Especially suitable for long-distance trunk systems that require multi-level OA (such as level 5 and above), it is an essential component for ultra long distance transmission.

Dynamic power balancing supports the use of ROADM or adjustable attenuators in the system, providing a solid foundation for dynamic power balancing.Support wavelength reconfigurable networks to enhance network flexibility and stability.

4.Performance indicators and cascading advantages

Table 5: Performance Comparison of Cascade Applications

Performance scenario using TN11LOA (standard OA) and TN12LOG (gain flat OA)

Single board gain flatness ≤ 1.0 dB ≤ 0.8 dB

After 10 levels of cascading, the theoretical cumulative unevenness can reach 10 dB or higher (the system may fail) and can be controlled within 8 dB (the system can still work)

The impact on the OSNR balance of the system is significant, and long-distance systems require less external DGE compensation, significantly reducing the dependence on external compensation

Suitable for systems with medium to short spans and fewer cascading numbers, including long-distance and ultra long distance systems, as well as multi-level cascading systems

5.Monitoring, Alarm and Protection

Table 6: Monitoring and Management Functions

Monitoring category, monitoring parameters, key alarms

Optical power monitoring input/output total power, pump laser backward optical power input no light, abnormal output power, pump laser failure

Amplifier health status, pump temperature and current, board internal temperature, GFF status indication temperature exceeding limit, pump degradation, GFF module abnormality

Gain and flatness monitoring actual gain value, gain lock state, gain over limit, gain out of control

Communication and system status OSC channel status, communication status with the main control board OSC interruption, board communication failure

6.Application scenarios and configuration strategies

Table 7: Typical Application Scenarios

Application scenario deployment location and strategy reasons and advantages

Long distance national trunk lines are periodically deployed at the line amplifier (LA) location (such as inserting 1 LOG every 3-5 standard OA).Regularly calibrating the gain slope to prevent unevenness accumulation is a necessary means of transmission over thousands of kilometers.

Multi span submarine cable systems are used as the main line amplifiers.The submarine cable system has extremely high requirements for OSNR balance, and the distance between repeaters is fixed.LOG can provide more stable performance.

High channel count (above 80 waves) systems are used at the transmitting end BA or critical LA positions.The more channels there are, the more significant the gain fluctuation of EDFA, and LOG can ensure the performance of edge channels.

The all-optical network (ROADM) hub is used in the optical amplification unit of the ROADM node.To cope with input power fluctuations caused by multi-directional and dynamic scheduling, and maintain stable output spectral shape.

7.System configuration and maintenance requirements

Table 8: Deployment and Maintenance Points

Project requirements and specifications

The deployment quantity and location of LOG cards must be determined during the system optical power budget design phase, which usually requires verification through professional simulation software.

Hybrid networking is often mixed with standard OA (TN11LOA) networking to balance cost and performance.Pure LOG networking has high costs and is usually unnecessary.

The configuration management target gain setting needs to consider the additional losses introduced by GFF, and the actual available gain may be slightly lower than the nominal gain range.

After the deployment of optical link debugging, it is necessary to use an Optical Spectrum Analyzer (OSA) to measure and verify the output power flatness of the entire frequency band.

As a special function board, the spare parts strategy may have a lower inventory ratio than the standard OA, but spare parts are required for critical nodes.

Core Summary:

TN12LOG is not a simple optical amplifier, but an enhanced solution for the specific challenge of"multi span cascading".Its core value lies in the built-in gain flattening filter (GFF).

The essential difference from standard OA (TN11LOA):

TN11LOA: Provides"gain" to compensate for losses.

TN12LOG: While providing"gain", perform"gain spectrum management" to ensure consistent gain across all wavelengths.

Image metaphor:

Standard OA is like a volume amplifier that amplifies all sounds (different wavelengths) together, but may amplify some frequencies (wavelengths) more and others less.

Flat gain OA (LOG) is like a professional audio system with an equalizer, which amplifies the overall volume while actively adjusting the gain of each frequency band to maintain balance between high, medium, and low frequencies (different wavelengths).After multiple amplifications (cascades), this equalization effect is crucial for maintaining overall sound quality (system OSNR equalization).

Selection suggestion:

In systems with transmission distances exceeding 500 kilometers or requiring cascading of more than 5 optical amplifiers, the introduction of TN12LOG must be considered. It is one of the " key few " components for building robust and high-performance long-distance wavelength division networks.