SFP Front Panel Offset Apertures for Multi-Connector Ganged Cages
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Solution Overview
Problem
The miniaturization of Small Form-factor Pluggable (SFP) units makes it challenging to design SFP units with multiple frontal connectors, such as coaxial, optical, and electrical connectors, while maintaining compatibility with ganged cages and ensuring smooth insertion into standardized chassis.
Innovation Solution
The SFP unit features a housing with a front panel having offset apertures for non-horizontal connector placement, allowing for multiple connectors like coaxial, optical, and electrical connectors, along with an integrated ejection mechanism for easy use and robustness, enabling ganged cages configurations without interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If SFP units are miniaturized to reduce chassis size, then the chassis size required to host several units is reduced, but the design of SFP units with multiple frontal connectors becomes difficult
Solution Approach 1:
The patent applies non-horizontal (offset) connector placement on the front panel, transitioning from traditional horizontal alignment to multi-dimensional spatial arrangement. This allows multiple connectors to be positioned at different heights and angles, effectively utilizing vertical space and enabling ganged cage configurations without increasing the horizontal footprint of the SFP unit.
2Adaptability or versatility
If multiple frontal connectors are added to SFP units, then connector versatility is improved, but the complexity of fitting connectors within standardized dimensions increases
Solution Approach 1:
The patent employs asymmetric connector placement on the front panel, where connectors are positioned at offset angles and different heights rather than symmetric horizontal alignment. This asymmetric arrangement optimizes space utilization, accommodates various connector types (coaxial, optical, electrical), and simplifies the overall design by avoiding the complexity of managing symmetric multi-connector layouts within standardized dimensions.
Data Source
AI summary
The present relates to a small form-factor pluggable (SFP) unit. The SFP unit comprises a housing, a back panel, a front panel, and at least two connectors. The housing defines a top, a bottom and two sides, and is of standardized internal dimensions. The back panel is affixed to the housing. The front panel is affixed to a front portion of the housing and defines at least two apertures. The apertures are located in such a manner so as to define there between a non-horizontal line. The at least two connectors are adapted to be inserted in the apertures of the front panel.