Optical Transceiver Light Pipe for Status Visibility
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Solution Overview
Problem
Existing optical transceivers lack a practical method to visually indicate operational status, making it difficult for network administrators to determine the status of individual links and troubleshoot complex systems due to limited surface area and increased density of transceiver modules.
Innovation Solution
An optical transceiver module with a light permeable base portion that emits light representative of its operational status, using a light-pipe assembly to conduct light from a light-emitting diode mounted on a printed circuit board to the front portion, allowing status indicators to be clearly visible even when fiber connectors are plugged in.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If LEDs are mounted on the face plate of transceivers to provide visual status indicators, then status visibility is improved, but the available surface area is extremely limited due to MSA requirements and increased transceiver density
Solution Approach 1:
The patent moves the status indicator from the two-dimensional face plate surface to the three-dimensional base portion of the transceiver module. By utilizing the vertical dimension and the base area (which is not constrained by MSA face plate requirements), the indicator can be positioned in a location with sufficient surface area while remaining visible during operation.
Solution Approach 2:
The patent introduces a light pipe as an intermediary element to transfer light from the LED mounted on the base portion to the front face of the transceiver. This light pipe enables the status indicator to be positioned away from the constrained face plate area while still providing visual feedback at the appropriate location for user observation.
2Productivity
If transceiver modules are densely packed in racks to increase network capacity, then productivity is improved, but it becomes difficult to navigate fiber optic cables and locate individual module status indicators
Solution Approach 1:
The patent utilizes color-coded LED indicators (e.g., green for operational, red for fault, yellow for warning) mounted on the base portion. These color-coded indicators provide immediate visual identification of module status without requiring physical inspection of small face plate LEDs, enabling network administrators to quickly locate and diagnose issues even in densely packed racks.
Solution Approach 2:
By positioning status indicators on the base portion rather than the face plate, the patent creates a more accessible viewing location that is easier to see from a distance and at various angles, improving troubleshooting ease in high-density rack environments.
3Productivity
If fiber connectors are plugged into transceiver receptacles, then data transmission is enabled, but the status indicators on the face plate become obscured and invisible
Solution Approach 1:
The patent positions status indicators on the base portion of the transceiver module, which is located below the fiber connector interface. This spatial repositioning ensures that the indicators remain visible and accessible even when fiber optic cables are connected to the transceiver, eliminating the obscuration problem that occurs with face plate-mounted LEDs.
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 real-time visual indication of transceiver status from a distance, simplifying navigation and troubleshooting by clearly displaying operational parameters through color-coded LEDs, even in densely packed environments.
Implementation Method 1
Light from the light-emitting diode is conducted to front portion of the base, which is light permeable, through a light-pipe assembly, thereby illuminating the entire front portion of the base
Implementation Method 2
a light-emitting diode 140 mounted. Light from the light-emitting diode
Data Source
AI summary
Exemplary embodiments of the invention relate to an optical transceiver in which the base portion is made of a light permeable material and configured to emit light representative of the status of certain transceiver parameters. The transceiver includes a housing which at least partially encloses the base portion. The base portion connects to a printed circuit board on which a light-emitting diode is mounted. Light from the light-emitting diode is conducted to front portion of the base, which is light permeable, through a light-pipe assembly, thereby illuminating the entire front portion of the base. Because the front portion of the base is not enclosed within the housing the light emitted is clearly visible from a distance even when fiber connectors are plugged into the transceiver receptacles.