Optical Fiber Array Connectivity System for Transceiver Polarity
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Solution Overview
Problem
In optical fiber communication systems, efficiently utilizing all fibers in a multi-strand trunk cable is challenging when transceivers have fewer or more channels than the standard 12-fiber trunk cable, leading to inefficient use and complex connection schemes.
Innovation Solution
The use of transition devices with specific fiber arrangements and terminal configurations that ensure proper polarity and connectivity, utilizing a mirror image pattern of symmetry to align and interconnect transceivers with fewer or more channels with a 12-fiber trunk cable, allowing for efficient use of all available fibers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If transceivers with fewer channels (e.g., 4 channels) are connected to a standard 12-fiber trunk cable using conventional methods, then the connection scheme becomes complex and requires multiple intermediate devices, but the fiber utilization efficiency deteriorates as only 8 of 12 fibers are used
Solution Approach 1:
The invention employs asymmetric fiber routing within the transition device where fibers are not uniformly distributed but specifically arranged to map transceiver channels to appropriate trunk cable fibers. The transition device internally routes fibers such that transmit and receive channels are properly paired while utilizing all 12 fibers efficiently, breaking the symmetric pattern of conventional direct connections.
Solution Approach 2:
The transition device serves as an intermediary component between the transceiver and trunk cable. It provides a standardized interface that translates between the transceiver's channel configuration and the trunk cable's fiber arrangement, eliminating the need for complex external patching while maximizing fiber utilization.
2Productivity
If multiple transceivers are added to utilize all trunk cable fibers, then fiber utilization efficiency improves, but the device complexity and connection scheme deterioration increase
Solution Approach 1:
The transition device is designed as a universal interface that can accommodate various transceiver configurations (different channel counts) while maintaining a standardized connection to the trunk cable. This multi-functional design allows the same transition device type to serve multiple transceivers with different channel requirements, simplifying the overall connection scheme.
Solution Approach 2:
The connection system is segmented into standardized components: transceivers, transition devices, and trunk cables. Each segment has a defined interface standard, allowing flexible configuration where multiple transceivers can be connected through transition devices to fully utilize the trunk cable without creating complex point-to-point connections.
3Adaptability or versatility
If transceivers with more than 6 channels (12 fibers) are connected to a 12-fiber trunk cable, then the connection becomes more complex requiring non-standard configurations, but standard connectivity deteriorates
Solution Approach 1:
The transition device provides dynamic fiber routing capabilities that can adapt to different transceiver channel configurations. The internal fiber arrangement allows flexible mapping where transceivers with varying channel counts can be connected to the standardized 12-fiber trunk cable infrastructure without requiring custom connection schemes for each configuration.
4Reliability
If conventional connection methods are used to ensure proper signal polarity, then polarity maintenance becomes complex requiring multiple intermediate devices, but the ease of operation deteriorates
Solution Approach 1:
The transition device is pre-configured with specific fiber routing arrangements that automatically ensure proper transmit-receive polarity pairing. The fiber mappings are established during device fabrication, eliminating the need for complex现场 configuration or multiple intermediate devices to achieve correct polarity. The device comes ready-to-use with polarity already correctly established.
Data Source
AI summary
A transition device for an optical fiber connection system, the transition device adapted to interconnect a trunk cable with a plurality of transceivers, the transition device comprising: a first set of at least four optical fibers, each of the optical fibers having a trunk end and a transceiver end; a single trunk end terminal having a plurality of trunk ports, each port connected with a respective one of the set of optical fibers at its trunk end, wherein a first axis of symmetry divides the ports; and a plurality of transceiver end terminals, each of the transceiver end terminals having even numbers of transceiver ports, each of the transceiver ports receiving a respective one of the set of optical fibers at their transceiver ends; wherein the fibers received by each transceiver end terminal meet either of the following two conditions: (a) a first fiber originates from a first port in the trunk end terminal, and a second fiber originates from a second port in the trunk end terminal that is positioned at the mirror image location of the first port about the first axis of symmetry; or (b) each fiber is received in a first transceiver end terminal that has a corresponding second transceiver end terminal with the same number and arrangement of transceiver ports, and each fiber received in the first transceiver end terminal originates from a port in the trunk end terminal that has a mirror image port about the first axis of symmetry from which a fiber that is received in the second transceiver end terminal originates.