Optical Distribution System Pre-Terminated Backbone Cables
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The traditional method of fusion splicing for connecting high fiber-count backbone cables to auxiliary cables in data centers is labor-intensive, operator-dependent, and disruptive to existing network operations, requiring buildings to be taken offline during expansion.
Innovation Solution
An optical distribution system that includes a backbone cable pre-terminated with connection interfaces, tether cables pre-terminated with outdoor optical connectors, and multiport terminals that manage sealed interfaces, allowing for the connection of additional buildings without disrupting existing network traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fusion splicing is used to connect backbone cables to auxiliary cables, then reliable optical connections are achieved, but the process becomes labor-intensive and operator-dependent
Solution Approach 1:
The patent applies pre-terminated cable assemblies where optical fibers are terminated with connectors before deployment. The backbone cable and auxiliary cables come pre-equipped with connection interfaces (such as MPO/MTP connectors), eliminating the need for field fusion splicing. This preliminary preparation maintains connection reliability through factory-controlled termination while dramatically improving installation efficiency by allowing simple plug-and-play connections.
2Adaptability or versatility
If fusion splicing is performed in the field to connect additional buildings, then network expansion is achieved, but existing network operations are disrupted
Solution Approach 1:
The system enables preliminary deployment of pre-terminated cable assemblies in vaults and buildings before they are needed. The backbone cable with pre-attached auxiliary cable assemblies can be installed and stored ready-to-connect. When expansion is needed, pre-terminated auxiliary cables are simply plugged into the backbone cable's connection interfaces, allowing network expansion without disrupting existing operations since no field splicing is required.
Solution Approach 2:
The patent introduces connection interfaces (connectors such as MPO/MTP) as intermediaries between the backbone cable and auxiliary cables. These standardized interfaces enable hot-swappable connections, allowing auxiliary cables to be connected or disconnected without affecting other connections. This intermediary mechanism facilitates network expansion while maintaining continuous operation of existing network segments.
3Adaptability or versatility
If multiple auxiliary cables are connected to a single vault, then network coverage is expanded, but the complexity of managing connections increases
Solution Approach 1:
The patent combines multiple auxiliary cable connections into a single integrated backbone cable assembly. The backbone cable incorporates multiple pre-terminated auxiliary cable assemblies, each with its own connection interface. This merging approach consolidates what would otherwise be separate splicing operations into a unified pre-assembled unit, reducing management complexity while expanding network coverage to multiple buildings from a single vault location.
Data Source
AI summary
Optical distribution systems for data centers or similar networks are disclosed, where one or both ends of a high fiber-count backbone cable branch out once to serve multiple buildings. The optical distribution systems include the backbone cable, an enclosure that receives an end portion of the backbone cable, a plurality of tether cables connected to the backbone cable within a sealed interior of the enclosure and extending from the enclosure, and a plurality of multiport terminals each receiving one of the tether cables and including connection ports for an auxiliary cable that can extend to one of the buildings. Related methods are also disclosed.