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ZXONE 8300 is an intelligent wavelength division multiplexing equipment, which can load the WSON control plane, meet the requirements of centralized cross-platform electric layer crossing technology, adaptive receiving, and other light source technology, and combine various amplification modes such as RAMAN amplifier and high-power EDFA to prolong the transmission distance of the linear system. It is applied to the local networks and metro core networks of all sizes.
The system structure of ZXONE 8300 is divided into hardware system structure and software system structure. The two system structures are relatively independent and work together. These two system structures are briefly described below.

system Overview
1.1 hardware structure
According to the functional modules, the hardware structure of ZXONE 8300 can be divided into service access and convergence subsystem, combining and dividing wave subsystem, optical amplifier subsystem, monitoring subsystem, protection subsystem, cross subsystem, optical layer management subsystem, and power supply subsystem. The composition and functions of each subsystem are as follows:
Service access and convergence subsystem: including optical forwarding type veneer and convergence type veneer, providing service access, service convergence, FEC coding and decoding, customer signal performance monitoring functions.
Combining and dividing wave subsystem: it is composed of an add/drop multiplexing unit, combined wave division unit and combined wave division unit, which provides the functions of add/drop and add/drop multiplexing.
Optical amplifier subsystem: it is composed of an enhanced optical amplifier board EOA, distributed RAMAN amplifier board DRA, line attenuation compensation board LAC and dispersion compensation module DCM, which provides the functions of optical signal amplification, line attenuation compensation, and monitoring channel up and down.
Monitoring subsystem: it is composed of the main control board SNP, compact optical monitoring channel board SOSC, compact communication control board SCC, subframe control board CCP and compact extended interface board SEIA1/SEIA2, which provides communication bus, network management interface, and monitoring channel transmission function.
Protection subsystem: it is composed of optical protection board SOP, optical channel shared protection board SOPCS, optical multiplexing segment shared protection board SOPMS, and optical multi-channel protection board OMCP. The ring network protection mode of 1mm 1, 1VR N, channel/multiplex segment sharing, and bi-directional sharing of the electric layer are supported.
Optical layer management subsystem: it is composed of an optical wavelength monitoring board OWM and optical performance testing board OPM. Realize the monitoring of important energy in the optical signals, such as wavelength, power, optical signal-to-noise ratio, and so on.
Cross subsystem: by crossover board, clock board, data service access multiplexer board, SDH service group convergence board, SDH.
The service access board is composed of. Provide clock support for equipment to realize service access, crossover, multiplexing, and demultiplexing.
Power subsystem: it is composed of compact power filter board SPWA, power board PWD, compact fan board SFANA and fan control board FCC. Provide a stable power supply and good heat dissipation function for the subframe.

1.2 Software structure.
ZXONE 8300 software system consists of veneer software, main control software, and network management software. The functions of each component are as follows:
Veneer software: run in each veneer, manage, monitor, and control the operation of the veneer.
Main control software: run in the main control board SNP, monitor the operation status of each veneer of the network element, respond to network management commands, and reverse.
Feed the execution result of the command to realize the management function of the network management to the network element. The main control software also realizes the functions of APSD/APR, APS and WSON.

Network management software: to achieve unified management and monitoring of each network element, with fault management, performance management, security management, configuration management, maintenance management, and system management functions.