Hot-Pluggable PON Device for 10G Maintenance and Signal Integrity
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Solution Overview
Problem
GPON devices with 1×20 pins are not suited for higher transmission rates, and the pin coupling method is time-consuming and inconvenient for maintenance or replacement, leading to potential issues with device failure and signal attenuation due to fixed fiber optic pigtails.
Innovation Solution
A passive optical network device with a hot-pluggable transceiver connector mating interface, a fiber optic transceiver system, and an RF connector, which supports 10-Gbit/s services, allowing for easy maintenance and replacement, and eliminates compatibility issues with adjustable fiber optic pigtails.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If pin coupling method is used for device installation, then device compatibility is achieved, but maintenance and replacement become time-consuming and inconvenient
Solution Approach 1:
The device is divided into modular components that can be independently replaced. The optical transceiver module can be hot-plugged without affecting other components, enabling quick maintenance and replacement operations.
Solution Approach 2:
The connector interface is designed to support hot-plugging operations, allowing devices to be connected or disconnected while the system is running. This dynamic connection capability eliminates the need for system shutdown during maintenance.
2Adaptability or versatility
If fixed length single mode SC fiber optic pigtail is used, then device structure is simplified, but compatibility and signal attenuation issues arise
Solution Approach 1:
The fiber optic pigtail length is made adjustable rather than fixed. Users can modify the pigtail length to match different installation requirements, improving adaptability while maintaining reliable signal transmission through proper length selection.
Solution Approach 2:
The physical parameter of fiber optic pigtail length is made variable. By allowing length adjustment, the system can adapt to different cable routing requirements and installation scenarios while optimizing signal quality.
3Speed
If GPON device with 1×20 pins is used, then device structure is established, but support for higher transmission rates is insufficient
Solution Approach 1:
The device structure is designed to support multiple transmission standards (GPON and 10G-EPON) through a universal platform. The same physical device can handle different data rates by configuring appropriate optical transceiver modules.
Solution Approach 2:
The transmission rate parameter is made variable by supporting different optical modules. The device can operate at GPON rates (2.488 Gbits/s downstream, 1.244 Gbits/s upstream) or 10G-EPON rates (10.3125 Gbits/s downstream, 1.25 Gbits/s upstream) depending on module configuration.
Data Source
AI summary
A passive optical network device comprising a casing, printed circuit board, and fiber optic transceiver system is provided. The fiber optic transceiver system comprises a fiber optic components device, fiber optic transceiver, and RF connector. During operation, the fiber optic components device converts optical signals from the fiber optic transceiver to digital signals, and then transmits the converted digital signals to external electronic systems via the hot-pluggable transceiver connection interface. The fiber optic components device converts digital signals from the external electronic systems to optical signals, and then transmits the optical signals to other external electronic systems via the fiber optic transceiver. The RF connector transmits RF signals from additional external electronic systems to the external electronic systems via the hot-pluggable transceiver connection interface. The RF connector transmits digital signals from the external electronic systems to the additional external electronic systems via the hot-pluggable transceiver connection interface.