Cable Pair Stabilizer Unit for DSL Splice Corrosion Prevention
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Solution Overview
Problem
Service Providers face challenges in preventing oxidation and corrosion of wire splices or IDC connections in telephone cables, particularly with DSL services, due to space, cost, power, and thermal limitations when attempting to install sealing current generators and injectors near DSL equipment.
Innovation Solution
A cable pair stabilizer unit generates and injects sealing current into telephone cables from the customer's premises using the DSL residential gateway's power supply, overcoming space, cost, and power constraints by tapping into existing infrastructure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sealing current generators and injectors are installed at the Service Provider's DSL equipment location, then wire splice oxidation is prevented, but space and power constraints are violated
Solution Approach 1:
The sealing current generation and injection functionality is extracted from the Service Provider's DSL equipment cabinet and relocated to the customer's premises equipment. This removes the space and power constraints from the Service Provider's facility while still providing the necessary sealing current to prevent wire splice oxidation.
Solution Approach 2:
A sealing current injector circuit acts as an intermediary component that receives power from the customer's equipment power supply and delivers sealing current to the telephone cable wire splices. This intermediary approach allows sealing current functionality without requiring dedicated space or power infrastructure at the Service Provider's facility.
2Reliability
If sealing current generators are installed at the Service Provider's facilities, then wire corrosion is prevented, but power consumption increases
Solution Approach 1:
The customer's existing equipment power supply serves itself by also providing power for the sealing current injector. This self-service approach eliminates the need for dedicated sealing current power infrastructure at the Service Provider's facility, as the customer's equipment already has sufficient power capacity to support the additional sealing current load.
3Reliability
If sealing current equipment is added at DSL equipment location, then service reliability improves, but device complexity increases
Solution Approach 1:
The sealing current injector circuit is merged with the customer's existing DSL equipment or power supply infrastructure. This consolidation approach integrates multiple functions (power supply, sealing current generation, and injection) into a single location at the customer's premises, reducing overall system complexity compared to having separate dedicated sealing current equipment at the Service Provider's facility.
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
This solution ensures reliable DSL service by preventing oxidation and corrosion of wire splices, enhancing service reliability without the need for additional equipment or power sources at the Service Provider's facilities.
Implementation Method 1
generate and send current into a Service Provider's telephone lines for DSL only or other dry or non-powered broadband service to prevent the oxidation or corrosion of wire splices or connections
Data Source
AI summary
The present subject matter relates to one or more devices, systems and/or methods for generating sealing current at a customer's premises or residence and injecting the sealing current into a DSL service provider's telephone cables to prevent the oxidation or corrosion of wire splices or connections on the telephone cables transporting DSL services. A cable pair stabilizer unit is connected at the customer's premises or residence, between the service provider's telephone cables and the customer's residential gateway/modem. The cable pair stabilizer unit comprises circuitry for generating the sealing current and for injecting the sealing current into the service provider's telephone cables transporting DSL services. The cable pair stabilizer unit may be combined with an AC/DC power supply adapter as a single, integrated device. The cable pair stabilizer unit may alternatively be combined with or inside of the Residential Gateway as a single, integrated device.