business telephone systems QED Networks data and voice cabling
244 West 35 St. Suite 906 NYC, NY 10001 (212) 366-5000 serving Metropolitan New York and New Jersey
To understand VOIP, let's begin with "Voice". In prehistoric times, 25 years ago, all wiring across
the country was pretty much for telephone usage. As the Internet grew another network was put
into use. It could handle DATA, or the information that's being passed around on the internet.
Today, traditional phone systems still run off the original telephone lines. However because the
Internet network expanded, it now has the ability to handle telephone also. So instead of running
your phones off the traditional lines, you have the choice of having your telephone run off your
DSL or cable connection or whatever you're using for the internet. If you elect this latter option,
you will have your Voice calls over an internet protocol.
Category 5. Category 5E. Category 6. Fiber Optics. What's this all about? It's about bandwidth -
or speed - delivered to the desktop. Category 5 has a bandwidth speed of 100 megabytes per
second. Category 5E is 2 1/2 times faster with a speed of 250 megabytes per second and fiber
optics allow for a breathtaking 1.25 GIGAbyte flow, but at a breathtaking price. The good news
however, is that now copper is up to Category 6 with a 1 GIGAbyte speed, which will spare you the
expense of fiber.
It takes one pair of wires to power a digital phone and it takes one pair of wires to power a
computer. If you put two "paired" wires together (4 wires) you get 2-pair. If you put 4 "paired"
wires together you get 4-pair (8Wires). Back to your phoneand computer. If they're on the same
desk they could run off one single 2-pair cable run to the desk but industry-standard is to use a
a 4-pair run. This leaves room for extra jacks to be added. It also saves the day if a wire fails.
Plenum cable is fire-retardant and is used for dropped ceilings. Be prepared to pay extra.