Reconfigurable Pluggable Transceiver for Copper-to-Optical Conversion
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Solution Overview
Problem
Existing networking devices with copper wire interconnects are limited in physical distance and attributes, and the adoption of silicon photonics in pre-existing equipment is non-trivial due to increased costs and impact on functionality, cost, and scalability.
Innovation Solution
A pluggable optical transceiver that connects to copper wire interconnects, converts electrical signals to optical signals, and transmits them through optical fiber cables, using IEEE 802.3-compliant QSFP connectors and optical modules with jumpers arranged to prevent mechanical damage, allowing for reconfigurable throughput by splitting signals into multiple lanes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If copper wire interconnects are used in existing networking devices, then cost is reduced and compatibility with pre-existing equipment is maintained, but physical distance capability and physical attributes are limited
Solution Approach 1:
The transceiver is divided into modular components: a host device with copper interface, a pluggable transceiver module, and an optical interface. This segmentation allows the optical functionality to be added as a separate module without redesigning the entire host device, enabling extended physical distance while maintaining compatibility with existing copper-based infrastructure.
Solution Approach 2:
The pluggable transceiver module acts as an intermediary device that converts electrical signals from copper wires into optical signals for fiber optic transmission. This intermediary component enables the transition from electrical to optical domain without requiring modifications to the host device or existing copper infrastructure, resolving the contradiction between extended distance capability and infrastructure complexity.
2Adaptability or versatility
If silicon photonics technology is adopted in pre-existing end equipment, then optical signal transmission capability is improved, but functionality impact and cost increase occur
Solution Approach 1:
The pluggable transceiver module is designed as a universal component that can be deployed across multiple host devices and network configurations. By creating a standardized, multi-functional module that interfaces with existing copper ports while providing optical capabilities, the solution achieves broad adaptability without requiring custom silicon photonics integration in each end device, thereby controlling manufacturing costs and complexity.
Solution Approach 2:
Instead of integrating expensive silicon photonics directly into permanent host device architecture, the solution uses affordable, replaceable pluggable transceiver modules. These modules can be manufactured at lower cost using established technologies and can be easily replaced or upgraded, reducing the overall manufacturing burden and cost while maintaining optical transmission capabilities.
3Adaptability or versatility
If optical modules are replaceably secured within the housing, then reconfigurability and scalability are improved, but device complexity increases
Solution Approach 1:
The transceiver module employs dynamic, hot-swappable optical modules that can be inserted and removed without powering down the host device. This dynamic design enables reconfiguration of optical interfaces according to varying network requirements while maintaining a relatively simple integrated structure, balancing reconfigurability with manageable device complexity through standardized mechanical and electrical interfaces.
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
Enables devices with copper wire interconnects to leverage the advantages of optical fiber without modifying existing infrastructure, enhancing physical attributes and scalability while maintaining cost-effectiveness.
Implementation Method 1
an optical module, replaceably secured within the housing, connected to the first transceiver connector and configured to convert the electrical signal to an optical signal
Data Source
AI summary
A pluggable transceiver is provided that may receive an electrical signal from a host device, convert the optical signal into an optical signal, and transmit the converted optical signal to one or more external cables. In one aspect, a pluggable transceiver may include a first transceiver connector for connecting to a host device, an optical module for converting an electrical signal to an optical signal and vice versa, and a second transceiver connector for transmitting the optical signal to external cables or devices.