Parallel Backplane Module Architecture for Space-Constrained Networking
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Solution Overview
Problem
Networking systems in wiring closets face challenges with modularity, as it increases the overall size of the system, violating space constraints and compromising port density due to the need for additional modules to provide functionality, especially with active backplanes requiring entire chassis disconnection for repairs and passive backplanes lacking serviceability.
Innovation Solution
The introduction of modules configured for parallel connection to the backplane, where fabric modules connect to the rear and interface modules to the front, reducing the system's depth and allowing for increased connector flexibility and serviceability without sacrificing space, using a passive backplane with parallel-connected fabric modules and perpendicular-connected interface modules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If modular components are used to improve serviceability, then ease of repair is improved, but device complexity increases
Solution Approach 1:
The system is divided into modular interface modules that can be independently removed and replaced. Each module contains specific networking functions and connects to the backplane through standardized connectors, enabling serviceability without requiring entire chassis disconnection.
Solution Approach 2:
The backplane provides universal connectivity and power distribution to multiple different types of modules. The standardized interface design allows various networking modules to be interchangeably mounted on the same backplane, reducing overall system complexity while maintaining serviceability.
2Adaptability or versatility
If additional modules are added to provide functionality, then adaptability is improved, but volume of stationary object increases
Solution Approach 1:
Multiple networking functions are merged into integrated module assemblies that mount on the backplane. Each module combines interface circuits, connectors, and supporting components into compact units, providing adaptability while minimizing the volume increase of the overall system.
Solution Approach 2:
The system transitions from a planar backplane layout to a three-dimensional modular architecture where modules extend perpendicular to the backplane. This dimensional change allows multiple functional modules to be stacked or arranged in space-efficient configurations, increasing adaptability without proportionally increasing system volume.
3Adaptability or versatility
If active backplane with driving logic is used, then functionality is improved, but ease of repair worsens
Solution Approach 1:
The driving logic and control functions are extracted from the backplane and placed within individual removable modules. This allows the backplane to serve as a passive distribution platform while modules containing active components can be independently serviced, replacing failed modules without disturbing the backplane infrastructure.
Data Source
AI summary
Modules, modular devices, and modular systems are provided. Some examples include a backplane oriented in a first plane, a first module including a major surface oriented parallel to the first plane and a first minor surface oriented perpendicular to the first plane, wherein the major surface of the first module includes a connector thereon that releasably mates with a corresponding connector located on a first side of the backplane. Some examples include a second module including a major surface oriented perpendicular to the first plane and a first minor surface oriented parallel to the first plane, wherein the first minor surface of the second module includes a connector thereon that releasably mates with a corresponding connector located on a second side of the backplane. Circuitry within the first module can provide interconnections for the second module. The first and second modules can be fabric and interface modules, respectively.