Server Bay Removable Device Optical Electrical Conversion
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Solution Overview
Problem
The existing electrical communication systems face challenges with high-volume occupation and increased costs due to the use of large-gauge cables for high-speed signals over long distances, and the reliance on pass-through modules which can create single points of failure and occupy valuable space in server racks.
Innovation Solution
A bay system that receives a removable device capable of converting optical and electrical signals, allowing for flexible placement and reducing cable length, eliminating the need for signal conditioning circuitry, and providing redundancy to avoid single points of failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If large-gauge cables are used for high-speed signals over long distances, then signal transmission quality is improved, but cable volume and cost increase
Solution Approach 1:
The system divides the signal transmission path into segments: optical cable for long-distance transmission and electrical cable for short-distance connection to servers. This segmentation allows each segment to use the most appropriate cable type for its specific function, reducing overall cable volume while maintaining signal quality.
Solution Approach 2:
The patent replaces electrical signal transmission with optical signal transmission for long-distance connections. Optical cables have smaller gauge requirements compared to electrical cables for high-speed signals, thereby reducing cable volume while maintaining transmission quality.
2Ease of operation
If pass-through modules are used in server racks, then signal routing is simplified, but valuable rack space is occupied and single points of failure are created
Solution Approach 1:
The patent extracts the signal conversion function from dedicated pass-through modules and integrates it into removable devices that can be directly coupled to servers. This eliminates the need for intermediate pass-through modules, freeing up rack space while maintaining signal routing capabilities.
Solution Approach 2:
The removable devices serve multiple functions: they provide signal conversion between optical and electrical domains, act as network interface cards for servers, and can be easily removed or replaced. This multi-functionality eliminates the need for separate pass-through modules while providing redundancy through hot-swappable devices.
3Adaptability or versatility
If pass-through modules are used for signal conversion, then optical to electrical conversion is enabled, but single points of failure are created
Solution Approach 1:
The patent implements dynamic redundancy by allowing multiple removable devices to be hot-swapped into the same bay or different bays. If one device fails, another can be quickly replaced without shutting down the system, converting a static single-point-of-failure configuration into a dynamic redundant system.
Solution Approach 2:
The system prepares for potential failures by maintaining the capability to quickly replace removable devices. The bay design anticipates device failures and provides pre-configured slots and controllers that can immediately take over functionality, cushioning against the impact of device failures.
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 minimizes cable volume and cost, increases server density, and reduces the risk of failure by allowing flexible placement and redundant signal conversion within server racks, thereby optimizing space and reducing the risk of system-wide failures.
Implementation Method 1
The removable device may receive an optical cable, receive an electrical cable, convert a first optical signal received through the optical cable to a first electrical signal transmitted through the electrical cable, and convert a second electrical signal received through the electrical cable to a second optical signal transmitted through the optical cable
Data Source
AI summary
According to some examples, a bay is provided to receive at least a portion of a housing of a removable device, where the bay includes a management controller to communicate a management signal to the removable device received by the bay, and a cooling mechanism to provide airflow to the removable device received by the bay. The removable device may be one that receives an optical cable, receives an electrical cable, converts a first optical signal received through the optical cable to a first electrical signal transmitted through the electrical cable, and converts a second electrical signal received through the electrical cable to a second optical signal transmitted through the optical cable.