Structured Cabling

Structured Cabling is a set of standards that determine how to wire a data center, office or building for data or voice communications, using Cat5e (or more commonly nowadays Cat6) cable and RJ45 sockets. These standards define how to lay the cabling in a ‘star’ formation, such that all outlets terminate at a central patch panel (which is normally 19 inch rack-mounted), from where it can be determined exactly how these connections will be used. Each outlet can be ‘patched’ into a data network switch (normally also rack mounted alongside), or patched into a ‘telecoms patch panel’ which forms a bridge into a PABX telephone system, thus making the connection a voice port.

Lines patched as data ports into a network switch require simple ‘straight-through’ patch cables at the other end to connect a computer, whereas voice patches to PABXs require an adapter at the remote end to translate the RJ45 pin config into a 6-pin BT socket. Depending on the type of PABX, these may need to be ‘master’ or ‘secondary’ adapters.

It is normal to see different colour patch cables used in the patch panel to help identify which type of connection is being carried, though the structured cabling standards do not require this.

The standards demand that all eight connectors in the Cat6 cable are connected, resisting the temptation to ‘double-up’ or use one cable for both voice and data. This is generally a good thing as it means that they fully support more modern inventions like Power-over-Ethernet which require the so-far unused brown cables.

Structured cabling falls into the following six sub-systems:

Entrance Facilities is where the building interfaces with the outside world.
Equipment Rooms host equipment which serves the users inside the building.
Telecommunications Rooms are where various telecommunications and data equipment resides, connecting the backbone and horizontal cabling sub-systems.
Backbone Cabling as the name suggests carries the signals between the entrance facilities, equipment rooms and telecommunications rooms.
Horizontal Cabling is the wiring from telecommunications rooms to the individual outlets on the floor.
Work-Area Components connect end-user equipment to the outlets of the horizontal cabling sub-system.

When GLOBAL SCOPE assumes the responsibility of your cabling installation, our project managers schedule, budget, test, coordinate, and document the entire job. We work closely with the different construction trades to make sure schedules are coordinated for an on time, on budget delivery. The ability to run all of your cabling requirements through one firm saves time and lowers the total cost of the project.

We provide all of our clients with a complete set of map documentation and test results of the system. The drawings accurately communicate the scope of work while in progress. Once the job is complete, they become a set of as-builts allowing for easy maintenance, troubleshooting and expansion plans. GLOBAL SCOPE guarantees that all standards are met to achieve optimal performance.

Once a job is complete, our support services can handle cabling moves, additions, and changes. In case of an emergency, our engineers are available to troubleshoot, provide parts, and develop contingency plans.

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