Slidable Fiber Optic Module Cable Slack Management
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Solution Overview
Problem
Current fiber optic telecommunications equipment faces challenges in managing high fiber density and facilitating easy access to densely packed terminations, leading to issues with cable slack management and signal integrity due to the complexity of existing high-density fiber handling systems.
Innovation Solution
A fiber optic telecommunications device with a slidable fiber optic connection module featuring a rack mount portion, a center portion, and a main housing portion, including a radius limiter and latch for guiding cables and managing slack, allowing for easy access and reducing stress on cables during movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If high-density fiber handling equipment is used to increase fiber density, then transmission capacity is improved, but cable slack management becomes difficult and signal integrity deteriorates
Solution Approach 1:
The fiber optic module is divided into multiple segments including a stationary rack mount portion, a slidable center portion, and a main housing portion. This segmentation allows independent management of different cable routing zones, enabling proper slack management even at high fiber densities by isolating cable management functions from termination functions.
Solution Approach 2:
The center portion acts as an intermediary element between the stationary rack mount portion and the movable main housing portion. It includes cable management structures that mediate cable routing, maintaining proper tension and slack distribution while the main housing moves for access to terminations.
2Quantity of substance
If densely packed terminations are implemented to increase fiber density, then transmission capacity is improved, but access to terminations becomes difficult
Solution Approach 1:
The main housing portion is designed to be slidable relative to the center portion, transforming the static termination structure into a dynamic one. This allows the termination area to move outward for easy access while maintaining high density when retracted, solving the contradiction between compactness and accessibility.
Solution Approach 2:
The slidable main housing portion is nested within the overall module structure, allowing it to be compact when retracted (maintaining high density) and extend outward when access is needed. This nested configuration enables the termination area to be both densely packed and easily accessible at different times.
3Ease of operation
If slidable fiber optic connection modules are used to facilitate access, then ease of operation is improved, but cable stress increases and signal loss occurs
Solution Approach 1:
Cable management structures are pre-configured in the center portion to guide cables along proper paths before the main housing is moved. This preliminary cable positioning ensures that when the module is slid for access, cables are already routed to minimize stress and bending, preventing signal loss during operation.
Solution Approach 2:
The cable management structures in the center portion provide cushioning and stress distribution before cables are subjected to movement forces. This beforehand protection prevents excessive tension and bending stresses that would otherwise occur during sliding operations, maintaining signal integrity.
Data Source
AI summary
A telecommunications device includes a rack defining right, left, front, rear, top, and bottom sides, the rack defining mounting locations in a stacked arrangement from the bottom to the top, the mounting locations for receiving modules defining connection locations. A cable storage bay is located at one of the right and left sides of the rack and defines front and rear cable storage areas. Both the front and rear cable storage areas include cable management structures for managing and guiding cables toward and away from the connection locations. A trough is defined at the top of the rack, the trough configured for extending cables to other racks in a front to rear direction, the trough also defining a cable drop-off communicating with the cable storage bay for extending cables to either of the front or rear cable storage areas for further connection to the connection locations.