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Why a structured cabling contractor? What is structured cabling?

Structured cabling defines how to like the voice and data cabling
            in your data center from the MDF, IDF and components such as phone,
            computer, fax or credit card machine.


Structured Cabling is a set of standards that determine how to wire a data center, office or building for data or voice communications, typically using Category 5 or Category 6 cable and modular 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 private branch exchange (PBX) 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. Voice patches to PBXs in most countries require an adapter at the remote end to translate the configuration on 8P8C modular connectors into the local standard telephone wall socket. In the U.S., no adapter is needed, as the 6P6C plug used with RJ11 telephone connections is physically compatible with the larger 8P8C socket and the wiring of the 8P8C is compatible with RJ11.

It is normal to see different color 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, except in the demarcation wall field.

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 features such as Power over Ethernet which require the so-far unused brown cables.

Structured cabling falls into the following key components:


Key Components
Key components of the Structured Cabling design include the entrance facility, main equipment room, backbone cable, backbone pathway, Intermediate Distribution Frame (IDF), and horizontal distribution system. We can show you how to develop an online inventory and management system that will let you take control of these critical infrastructure resources.

New buildings require voice, data, and video wiring and electronics facilities within the building to support the newest forms of telecommunications. A series of standards has been developed to provide guidance in designing new buildings and remodeling older facilities. The list of facilities that need to be taken into consideration are building entrance facilities, entrance wiring closets, floor wiring closets protection and grounding, backbone raceways, horizontal raceways, backbone wiring, and horizontal wiring. A more definitive document exists which identifies the considerations and options for architectural and engineering areas supporting telecommunications within a building. The document should be used for design activities, as the following material is a summary.


Entrance facilities
Cabling must enter the building underground and usually within 4 inch conduits. Three or more of the conduits will be required to connect an entrance wiring closet to the nearest manhole or other location with telecommunications facilities. Consideration is required for the type of conduit, depth of bury, separation from other conduits bends in the conduit, conduit capping and seals, manhole sizes, and pull lines.

Cable Management keeps your system organized and easier to
            maintain


Entrance wiring closet
Exclusive use of a room for placement of electronics and terminations of cable of many types, which supply the building with telecommunications. Security is required and the room cannot be shared with other functions in the building. Considerations for the facility are floor weight load factors, water avoidance, lighting, electrical access, room size, electrical grounding, HVAC, and location near the building entrance facility.

Floor wiring closet
Exclusive use of a location on each floor to facilitate the electronics and cabling distribution for the floor. If the floor is large enough, with long cable runs, more than one room may be required on each floor. Security requires that the room not be shared with other building functions. Considerations for the facility are floor loading factors, water avoidance, ceilings and walls, fire door, lighting, electrical access, room size, electrical grounding, HVAC, floor location, and cable run maximum lengths.


Backbone raceways
Backbone raceways are a series of accesses that connect the entrance wiring closet to the various floor wiring closets. These paths permit cable to be placed between the floors. They may be slots, sleeves, conduits or trays and racks in which cables may be routed for support and protection. Considerations are the size, quantity, and seals. If conduits or sleeves are used, the 4 inch size is preferred.

Horizonal Backbone Cabling runs along a trough for wire management
            and performance and limits cross-talk.

Horizontal raceways
The horizontal raceway carries the cable from the floor wiring closet to the various rooms on the floor. Ceiling trays used in conjunction with utility columns and conduit paths are the preferred method of horizontal distribution. The nature of the building usage may justify another type of cable path. Considerations for the path include bends or curves, size, conduit run lengths, and outlet boxes.

Main Equipment Room

  • Cables
  • Cross-connecting blocks
  • Patch panels
  • Jumpers
  • Connecting hardware
  • Pathways (supporting structures such as cable trays, conduits, and hangers that support the cables from the Intermediate Distribution Frame (IDF) to the work areas)

Document your cabling using our RCDD services

Document your cabling infrastructure will save you time for MAC
            work, Maintenance and Repair

Why Document Your Cabling?
Your network is one of your company's most valuable assets. It's the central nervous system of your organization and it's growing along with your network management problems. Your challenge is to harness the power of exploding technology and make it work for you. Every minute spent tracking data, reconfiguring your cable or searching for the source of a problem means loss of time and productivity and loss of profit. Cable documentation can help maintain the integrity of the network by tracking the continuity through equipment, patch cords, cross-connects, connectors, cables, and outlets. It encompasses the design and maintenance of the cable . Cable documentation can be an ally against the ravages of system downtime, giving you the power to configure your cable so you have fewer network problems.
Cable Documentation Can:

  • Reduce the time it takes to modify the original installation.
  • Minimize network downtime.
  • Increase the life of a cabling .
  • Reduces the number of technicians needed to handle problems.

Let us work with you to develop a Network Management system you can use to manage all of your cable , including all the connectivity, connectors, pathways, and device relationships to truly visualize and understand your network's infrastructure. Let's get started today.

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Standard Cables Minimize

Choosing the right cabling solution

Category

Maximum Data Rate

Usual Application

CAT 1

Less than 1 Mbps

Analog Voice (POTS), Basic Rate ISDN, Doorbell wiring

CAT 2

4 Mbps

Primarily used for Token Ring Networks

CAT 3

16 Mbps

Voice and Data, and 10Base-T Ethernet. Basic telephone service

CAT 4

20 Mbps

Used for 16 Mbps Token Ring

CAT 5

100 Mbps up to 1 Gbps

10Base-T, 100Base-T (fast Ethernet), GigE, FDDI, 155 Mbps ATM

CAT 5E

100 Mbps

FDDI, ATM

CAT 6

Greater than 100 Mbps

Broadband Applications

CAT 7

Emerging Standard

GigE plus

"A structured cabling system represents only 5% of the total network investment, which will outlive most other networking components."

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