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FAQs

(?) Does the installation of network cabling require specialist knowledge and experience
Answer...
Yes. However, some electricians and telephone engineers have had basic training in network cabling … but they are few and far between. The rule of thumb on this one is BUYER BEWARE. Ask a lot of probing questions before committing yourself to an installer. A professional installation company will find the time to answer all your questions.

(?) Can I tell if my existing network will handle specific data rates?
Answer...
Yes, a bona fide cabling company will inspect your existing cabling and produce a report showing the headroom, or the data rate that the cabling is capable of handling.

(?) Can one type of cabling support high speed computers and servers, local workstations as well as telephones and ISDN?
Answer...
Yes, the current Category 5, Category 5e and Category 6 cabling will support all these applications.

(?) How can I be sure that the cable I install today will perform at the specified data rates in years to come?
Answer...
Your cabling company must have a cable analyzer which will run tests on the cables up to 100 MHz and generate a hard copy of the results for your records. Category 6 network infrastructures will perform at data rates up to 200Mhz.

(?) Is all Category 5 & 6 cable made to the same specification?
Answer...
No. Net-Tech have independently tested cables from well known wholesalers to the electrical trade and found that cable marked as Category 5 network failed our Cat5 tester straight from the box prior to installation. This is of some concern as the cable may deteriorate further if poorly installed. Most electricians do not carry the correct test equipment and would buy this product for your network. But it was very cheap cable.

(?) Are all network components made to the same specification?
Answer...
No. Most network components on the market are suitable for the applications for which they were designed …and most ball point pens write! Likewise the connectors, plugs, sockets and leads are manufactured to varying qualities… Basically you get what you pay for! The critical thing is that each company produces slightly different cable and components. The cable and components must be matched or balanced to ensure that the network channel is compliant and meets the required specifications and standards. Therefore it is advisable to use components produced by one company. This will ensure the correct performance characteristics.

(?) Which cable and components should be specified for a new network?
Answer...
The installer should specify cable and components from one of the recognized manufacturers. These must conform to Category5 standards or higher. On completion your network cabling the installer should provide you with a detailed test report on the performance of your network channels. The hardware supplier will then issue a 15 year network guarantee from the installers test results.

(?) There seem to be many systems and installers. How do I choose the best companies to work with?
Answer...
Why not invite them to your premises for a preliminary meeting and ascertain for yourself whether they are an accomplished cabling company. Network cabling is an exacting science and should be installed by a specialist company. Experienced cabling installers will have reference sites for you to contact. Abona-fide cabling company will be accredited to one or more of the major cabling system manufacturers such as RW Data and will carry a 15 year guarantee.

(?) Will my existing network be operational during the installation?
Answer...
There is no reason why your existing network should be affected throughout the cable installation. There will however be a period of downtime during the changeover from your old network onto the new one.

(?) What is the cost per node?
Answer...
This will vary between buildings as the structure dictates how long the installation will take. Will you need plastic or metal trunking installed? Do you require floor boxes? What size network cabinet will you need? All these variables affect the price, but you can expect to pay between $60 - $120 per drop including the patch leads and computer cables.