Dual-Ferrule Connector Latch Mechanism for High-Density Panels
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Solution Overview
Problem
High-density network panels face challenges with fiber management and maintenance due to the design of existing connectors, which are not optimized for 2-fiber applications, leading to issues such as unnecessary interruptions, complex latching mechanisms, and physical obstructions that hinder operator access and increase the risk of damaging connections.
Innovation Solution
A mechanical-transfer dual-ferrule connector with a housing, latch body, ferrule extension spring, pull tab, back-post, and relief boot, designed to be compact and efficient, allowing for easier alignment and secure latching, reducing the complexity of the latching mechanism and improving operator accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If MPO connectors are used for 2-fiber applications, then fiber connectivity is achieved, but connector dimensions are too large and not optimized for 2-fiber applications
Solution Approach 1:
The connector is specifically designed with local optimizations for 2-fiber applications, including a ferrule contact surface of about 2.5 mm high and 4.4 mm wide, and overall dimensions of about 10 mm high, 9.2 mm wide, and 20 mm long, which are tailored to the specific requirements of 2-fiber connectivity rather than being generic multi-fiber dimensions
2Adaptability or versatility
If fan-out jumpers with 2-fiber connectors are used, then network connections are established, but fiber management and maintenance issues arise
Solution Approach 1:
The connector design enables individual port activation and deactivation, allowing operators to service specific Tx-Rx ports without affecting others. This segmentation of functional control resolves the issue where servicing one port requires interrupting all connected ports
Solution Approach 2:
The connector allows individual 2-fiber connectors to be removed and serviced independently from the fan-out jumper assembly. Operators can extract only the specific connector needing maintenance without disturbing other active connections, eliminating unnecessary service interruptions
3Productivity
If adjacent connectors are placed close together in high-density panels, then port density is increased, but operator access to release mechanisms is obstructed
Solution Approach 1:
The release mechanism is positioned and designed to be accessible from the front face of the connector, allowing operators to access it without reaching behind or around adjacent connectors. This dimensional repositioning of the access point resolves the obstruction problem in high-density arrangements
4Adaptability or versatility
If connector cables are made long to reach distant ports, then all ports are accessible, but cable management becomes complex and excessive length is created
Solution Approach 1:
The fan-out jumper is segmented into individual serviceable connectors, allowing operators to use only the specific connector length needed for each port. This eliminates the need for one excessively long cable that must reach the farthest port, as each connector can be individually configured with appropriate length
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
The solution enhances the accessibility and reliability of connectors in high-density network panels by reducing the number of cables, minimizing stress on connections, and simplifying the latching process, thereby improving network performance and reducing maintenance time.
Implementation Method 1
a ferrule extension spring disposed in the longitudinal passage of the housing and coupled the ferrule
Implementation Method 2
a latch spring disposed at least partially within the latch body and being coupled with the housing and the latch body
Data Source
AI summary
Devices and methods for connecting optical fibers are provided. In some embodiments, connectors and adaptors containing mechanical-transfer type of ferrule are disclosed. In some embodiments, the mechanical-transfer type of ferrule is a mechanical-transfer dual-ferrule. In some embodiments, the connector is a mechanical-transfer dual-ferrule connector and the adaptor is a mechanical-transfer dual-ferrule adaptor. In some embodiments, an optical fiber cable that couples with at an optical fiber connector, adaptor, and other optical fiber cable using a remote release is disclosed.