Whats the Difference: Business and Home DSL?
What is DSL? Home DSL (or Digital Subscriber Line) typically uses one pair of wires. It’s the same pair of wires that go to your current phone. A pair of wires, like those that go to the speakers in your stereo can carry a broad range of frequencies. Humans typically hear frequencies in the 30 Hz to 20,000 Hz range. But, wires can carry a much broader range of frequencies. Your telephone is designed to use frequencies in the range of 0-4 kHz. These are the frequencies of most normal human conversation. But, this limited range of frequencies wastes a lot of capability of your phone wires. Your local phone company can make a lot of extra money by utilizing the ability of those wires to carry higher frequencies. DSL Frequencies In DSL, these higher frequencies are used to carry modulated data, similar to the modulated data in a typical dial-up Internet connection. Voice conversations and modem data take up only the first 4 kHz of bandwidth. To help ensure the fidelity of your phone conver