Why Do Proper Planning For The Use Of Telephone CableWhy Do Proper Planning For The Use Of Telephone Cable

Do you know why telephone companies need to do cable planning? This is needed in towns and cities that make use of networks of telephone exchange systems. These networks still use telephone cable, which have to be connected underground. The more subscribers there are in the locality, the more planning needs to be done as well to properly connect the cables to the places of the subscribers. The connection of the telephone cables have to be planned well just in case more people demand to join in the network of telephone subscribers. Advance planning in the way the telephone cable is used helps keep the wiring done in an effective manner that can still accommodate more connections in the future.

The main purpose behind proper telephone cable planning is to spend the optimum cost for every type of cable pair, maintenance and accommodation of new connections of cables. This can help the companies save money and time on telephone cables. In every local telephone project, the cables used in the networks of the different subscribers make up a significant portion of the budget. The proper use of the cables can make every telephone project more cost effective. This can further reduce the capital cost of every project without skimping on new connections and the maintenance of the cables.

Proper cable planning considers the following areas thoroughly:
• Preparation for future telephone demands. Forecasting is usually done for a locality with a 20-year coverage, which matches the economic planning period for every telephone exchange project. All the cities and town need to supply any data related to their anticipated telephone demands. These data can be used to project future telephone demands. The forecast study can be used as basis on the demands at a six-year interval.

• Determination of how the cable provision in the future should be done in a convenient and cost effective manner. The cable network in any telephone exchange project needs to be provided to the subscribers in a properly coordinated manner along with the installation of other equipment in the network. The installation of the cable usually takes up most of the time dedicated to every project. This is why the cable network should not be used as the basis in sanctioning a telephone project. If the budget for the exchange equipment is already available, the cable plans have to be prepared and approved by the authority.

Flexible cable network uses two cross connection points. There are pillars and cabinets that are used between DPs and exchanges to ensure that the network remains flexible with the help of a cable pair stored within several DPs. Here are the different cables used in a flexible network:

• Primary cable. This is used between cabinet and exchange. It has a gauge of 0.4mm with a 0.32mm diameter.
• Secondary cable. This is used to link the pillar and cabinet. It has a normal gauge of 0.5mm.
• Distribution cable. This is used to link the pillar and DPs. Its normal gauge is usually from 0.5mm to 0.63mm, varying based on the distance of the pillar from the DPs.
by John Schofield
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