All you need to know about computer lan (local area network) backbone cabling

Added: 27-01-2010
Author: Colin Yao
Category: Wide-Band Internet

:: Definition of re-cabling

Backbone cabling may be within one building or between buildings on campus. Wiring of all communications between the rooms is called the backbone cable.

In many cases, meningitis is the correct wiring closet cabling between floors at the building, but a more typical case of ground floor of a multi-floor cable building. Many people call it different vertical and horizontal cable wiring.

:: What is the wiring becomes the backbone?

Common to all hubs, switches Concentrators and placed in the telecommunications room serving all workstations on the floor. Backbone cable is then connected hub, on different floors.

o Daisy Chain cable. In the daisy chain cable, connect the backbone cable from hub to hub and hub. Daisy chain is a good omen for the election-Ring topology, because the ring-in and facilitate the ring-out connections.

o Star wiring: In a cable star, spinal cord connects all hubs from different floors and the central hub. Star wiring is a good choice for Ethernet to be the repeater jumps.

In large buildings, telecom rooms are often placed in the service shaft, one on the other hand, the distance between a small telecommunications room. So the cable backbone of any floor can be concentrated in a single master telecom room and the number of repeater jumps minimized.

:: What is the backbone of the cable capacity implemented?

Backbone cables shall be terminated in the same manner as horizontal cabling. Backbone cabling must be the same or on such communities and yanakidhi your needs and performance of safety and fire protection needs of your installation.

For example, Cat 5E wiring to horizontal, you should use Cat 5E cable, or even people in Cat 6 and Cat 7. If they wish to use your system for wiring some applications, two or even three of each cable backbone running. This will provide great growth opportunities and the ability to quickly respond to new needs.

:: Fire Safety

Most standards require that woke up all the cables (cables that run vertically between floors) be riser rated with fire and smoke rating. Some even require plenum rated Tuners session.

But one thing is important - whether you need to install fire-stop material you a chance to do all the floors, no matter the cable access port or direct.

If the spinal cord is involved, the ground floor Cabling vertical shafts or cable port, you need to use a riser cable that has a special fire-resistant casing, NEC certified to meet the requirements of the fire. NEC requires riser cable meet UL flammability tests to be used in high buildings.

:: Grounding requirements

When connecting waste Telecom Tuners between rooms or between floors, foundation and electrical bonding requirements must be observed. You can refer to the EIA / put the correct practice level.

:: Excess fiber optic cable

Fiber optic cable provides greater quality. Fiber optics are not under electric or magnetic interference, and so they can walk in the area, such as Lift / elevator shafts or alongside power lines.

The system can be isolated electric cable between buildings or between floors of the building using fiber optic cable.

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