Cabling is defined as building or campus telecommunications cabling
infrastructure that consists of a number of standardized smaller
Structured Cabling is defined as building or campus telecommunications cabling infrastructure that consists of a number of standardized smaller elements (structured).A properly designed and installed structure cabling system provides a cabling infrastructure that delivers predictable performance as well as has the flexibility to accommodate moves, additions, and changes; maximizes system availability; provides redundancy; and future proofs the usability of the cabling system.This definition gives you a better sense of what structured cabling is and its purpose.
To answer that question, I would use the word “organization”. Structured cabling is an organized approach to cabling infrastructure. Although it may seem backward, to fully understand this concept it is easiest to look at what structured cabling isn’t. In many data centers, the cabling methodology used is defined as “point-to-point”. That method runs patch cables (or “jumpers”) directly to and from the hardware that needs connectivity.In a structured cabling system, a series of patch panels and trunks are used to create a structure that allows for hardware ports to be connected to a patch panel at the top of the rack. That patch panel is then connected to another patch panel via a trunk (multi-fiber assembly designed for use in conveyance) in the MDA (Main Distribution Area).The MDA is the key aspect of structured cabling. This is where all the MAC’s (Moves, Adds, and Changes) can be made with short length patch cords.See below for some helpful diagrams.
Below are diagrams of an structured cabling solution and point-to-point cabling. The diagrams outline the basic approaches to cabling. You'll see the different components and structured cabling products involved. Seeing these two approaches to cabling side by side help demonstrate how these two systems differ and how structured cabling solutions provide several benefits.
Structured Cabling Solution
Once again, organization is the key word here. With an organized, top quality structured cabling system the benefits are:
Moves, adds, and changes are much easier due to the fact that they are done in the MDA versus running long patch cords from equipment racks.
Potential for downtime is reduced as the potential for human error is drastically reduced due to this organization.
Time savings; cable and port tracing becomes a much easier job with a structured cabling system. This logical, organized approach not only makes changes easier, but it saves you time.
Aesthetics; Never underestimate the looks! A structured cabling system will look much cleaner than a point-to-point method. Since the changes are done in the MDA versus at the hardware, the hardware can be cabled up and not touched in most instances. This allows the cabling in front of the switch to remain aesthetically pleasing.
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