Pluggable Module Detaching Jig for Secure Optical Transceiver Removal
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Solution Overview
Problem
Existing optical transceiver modules face issues with unexpected detachment, restricted lever size for detachment, and security concerns due to ease of detachment, particularly in environments where users may not have the necessary skills or intent, leading to potential damage or malfunctions.
Innovation Solution
A pluggable module design featuring grooves on lateral faces for latching with a cage, a module detaching unit that locks engaging portions in the length direction, and a detaching jig with latch release portions, lock portions, and a handle for secure detachment, ensuring only authorized personnel can remove the module.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the stop mechanism is designed to be easily released by pulling a lever by 90 degrees, then ease of operation for detachment is improved, but reliability against unexpected detachment and security deteriorate
Solution Approach 1:
A detaching jig is introduced as an intermediary tool between the operator and the module. The jig includes a latch release portion that engages with the stop mechanism's latch, requiring the operator to use this specific tool rather than directly manipulating the lever. This intermediary mechanism maintains ease of operation while preventing accidental or unauthorized detachment, as the jig must be deliberately used to release the latch.
2Adaptability or versatility
If the lever size is restricted according to MSA specifications, then adaptability to standard cages is improved, but ease of operation for detachment deteriorates when optical transceivers are aligned vertically
Solution Approach 1:
The detaching jig extends the lever arm in the horizontal direction (another dimension) rather than increasing the size of the original lever. By providing a long handle portion that protrudes horizontally from the module, the jig allows operators to apply detachment force from the side, making it much easier to operate when transceivers are aligned vertically, while still complying with MSA cage compatibility requirements.
3Productivity
If the module can be easily detached without special mechanisms, then ease of operation for exchange is improved, but security against malicious or accidental removal deteriorates
Solution Approach 1:
The detaching jig serves as a controlled intermediary that must be deliberately introduced and used to release the latch. This maintains fast exchange capability (high productivity) because once the jig is introduced, the latch releases quickly. At the same time, it prevents accidental or malicious removal because the specific jig tool is required - casual contact or improper handling cannot detach the module, providing security while preserving exchange speed.
Data Source
AI summary
There is provided a pluggable module having grooves, on lateral faces, for latching with a cage and engaging portions for detachment, wherein the module body is detached from the cage by using a module detaching unit which is inserted along the grooves and which locks the engaging portions of the module body in the length direction. Further, there is provided a detaching jig including: latch release portions which are inserted between the pluggable module and the cage; lock portions which allow the pluggable module to be locked in the detaching direction; and a handle portion for detaching the pluggable module from the cage.