Network Interface Device Segmented Cover and Sealing

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Solution Overview

Problem

Conventional network interface devices (NIDs) require a two-step process for provider technicians to access provider portions, and they lack effective sealing mechanisms and universal compatibility with various line modules and protectors.

Innovation Solution

A universal NID design featuring a base with separate provider and subscriber portions, an integrated override mechanism for one-step access, enhanced sealing using elastomeric grommets, and compatibility with various terminating devices through a locking mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional NID designs are used with separate covers for provider and subscriber portions, then security and isolation between provider and subscriber portions are maintained, but provider technicians must perform a two-step procedure to access provider portions which reduces operational efficiency

Engineering Contradiction:

Improveaccess procedure for provider portionsVSAvoidsecurity isolation between provider and subscriber portions

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The outer cover is segmented into a provider access portion and a subscriber access portion, allowing independent access to provider portions without requiring opening of the entire device. This segmentation enables one-step access for providers while maintaining security isolation.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The cover system incorporates dynamic access control where the provider access portion can be independently opened or overridden by authorized personnel, while the subscriber access portion remains protected by the subscriber lock. This dynamic behavior allows flexible access based on user authorization.

Inventive Principle:

Principle #15Dynamics

2Ease of manufacture

If conventional grommet designs are used for routing provider and subscriber lines, then ease of installation is provided, but the grommet tears off during insertion which compromises environmental sealing

Engineering Contradiction:

Improveinstallation of provider and subscriber linesVSAvoidenvironmental seal against contaminants

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The grommet incorporates a curved or spherical reinforcement zone at the insertion point that distributes stress during line insertion. This curved geometry prevents the grommet from tearing off while maintaining the sealing function against environmental contaminants.

Inventive Principle:

Principle #14Spheroidality (Curvature)

Solution Approach 2:

The grommet is constructed as a composite structure combining a flexible sealing material with a reinforced insertion zone that resists tearing. This composite design maintains both ease of installation and environmental sealing integrity.

Inventive Principle:

Principle #40Composite materials

3Ease of repair

If modular line modules with pivotable covers are used, then ease of replacement is achieved, but the design lacks universal compatibility with various NID configurations

Engineering Contradiction:

Improvereplacement of line modulesVSAvoidcompatibility with various NID designs

Core Design Contradiction:

Ease of repairVSAdaptability or versatility

Solution Approach 1:

The line module is designed with universal mounting features and standardized connection interfaces that allow it to be installed in various NID configurations. The pivotable cover mechanism provides universal access functionality across different installation scenarios while maintaining ease of replacement.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS8139761B2Network interface device, apparatus, and methods

Publication Date: 2012.03.20 CORNING OPTICAL COMMUNICATIONS LLC

AI summary

A line module includes a plurality of pivoting insulation displacement connector holders, an insulation connector (IDC) positionable in at least one holder when the holder is in a connected position, and a gel-less jack in electrical communication with at least one IDC.