MPO Connector Polarity Verification Using Illumination Sequences
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Solution Overview
Problem
The complexity of managing polarity in multi-fiber Push On (MPO) connectors, particularly in data centers and LAN applications, leads to deployment mistakes due to the need for specific polarity methods and patch cords, which increases verification and maintenance costs and complexity.
Innovation Solution
A verification module with an illumination source and motion drive is used to align light with the end faces of MPO connectors, allowing an inspection microscope to verify channel and polarity by illuminating fibers in a predetermined sequence, enabling accurate identification of fiber positions and polarity types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If specially designed equipment is used for polarity verification, then verification accuracy is improved, but device complexity and cost increase
Solution Approach 1:
The inspection microscope is designed to perform multiple functions: it can inspect connector end faces for defects and can also verify fiber polarity by detecting illumination patterns. This eliminates the need for separate specialized polarity verification equipment, reducing device complexity while maintaining verification accuracy.
Solution Approach 2:
An illumination source is introduced as an intermediary tool to indicate fiber polarity. The illumination source emits light through specific fibers in a predetermined pattern, allowing the inspection microscope to detect and verify polarity without requiring complex specialized verification equipment.
2Adaptability or versatility
If multiple specialized verification equipment are purchased, then verification capability is improved, but loss of substance increases
Solution Approach 1:
The inspection microscope serves dual purposes: routine connector inspection and polarity verification. This eliminates the need to purchase and maintain separate specialized polarity verification equipment, reducing maintenance costs while preserving full verification capability.
Solution Approach 2:
The polarity verification function is merged with the existing inspection microscope system. By integrating the illumination source and polarity detection capability into the microscope, the solution combines multiple verification functions into a single tool, reducing overall maintenance requirements and costs.
3Device complexity
If manual polarity verification methods are used, then device complexity is reduced, but measurement precision deteriorates
Solution Approach 1:
The illumination source acts as an intermediary that provides visual indication of fiber polarity through specific illumination patterns. This allows the inspection microscope to automatically detect and verify polarity based on the illumination pattern, eliminating manual verification methods while maintaining system simplicity and improving accuracy.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution simplifies the verification process by using commonly available inspection microscopes with high luminosity illumination modules, reducing errors and costs associated with specialized equipment, while ensuring proper fiber alignment and polarity verification in MPO cables and patch-cords.
Implementation Method 1
an illumination source configured to direct the light to an end face of at least one fiber in the first fiber optic connector to illuminate the at least fiber
Data Source
AI summary
The present disclosure provides a Multi-fiber push on (MPO) connector channel verification apparatus and method for verifying the MPO cable polarity and each optic fiber position in MPO cables or patch-cords. The apparatus includes a verification module that provides an illumination source configured to direct light on fiber end faces in an MPO connector at an end of the MPO cable according to predetermined sequences such that an inspection microscope at the other end of the MPO cable may be utilized to analyze the illumination sequence of illuminated fibers occurring at the other end of the MPO cable to verify the channel locations and polarity of the MPO cable.