Device for automatically calibrating bidirectional transmit-receive optical power of PON network equipment

Abstract

The invention belongs to the field of bidirectional transmit-receive optical power calibration of single-fiber bidirectional optical network equipment, and relates to a device for automatically calibrating bidirectional transmit-receive optical power of PON network equipment. The device comprises at least a set of a bidirectional automatic calibration unit and a central control unit, wherein the bidirectional automatic calibration unit is connected with the central control unit, the bidirectional automatic calibration unit comprises a light adjusting module, a real-time on-line output light sampling module and a real-time on-line input light sampling module, and the real-time on-line input light sampling module is connected with a light calibration interface. Bidirectional real-time calibration of a same light source is realized, the accuracy is greatly improved, consistency of product is ensured, manual intervention is minimized, productivity is increased, cost is lowered, and use performance of equipment is improved.

Description

technical field [0001] The invention belongs to the field of calibration of bidirectional receiving and receiving optical power of single-fiber bidirectional optical network equipment, and in particular relates to an automatic calibration device for bidirectional receiving and receiving optical power of PON network equipment. Background technique [0002] PON (Passive Optical Network) access network technology is recognized in the industry as the best solution for FTTx, and it is also the main access method of fiber-to-the-home. The scale of the optical network and the number of terminals are huge. This technology can enable multiple users to share a single Root optical fiber, so that no active components are used in the optical distribution network (ODN), that is, no "optical / electrical / optical" conversion is required. This point-to-multipoint architecture greatly reduces network installation, management and maintenance. cost. [0003] In the PON system (GPON, EPON, etc.),...

AI Technical Summary

Problems solved by technology

[0011] 1. The operation steps are cumbersome and the efficiency is low;

[0012] 2. There are many uncontrollable nodes and many influencing factors

[0014] The above factors affect the change of the output fiber optical power, which is not conducive to accurate calibration. Accurate calibration of optical network equipment requires time-consuming and high labor costs for a single unit.

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