ISDN Lines
For the small business and home user; an ISDN line provides faster transfer rates that dial-up telephone lines. Integrated services Digital Network (ISDN) is a set of standard for digital transmission of data over standard copper telephone lines. With ISDN, the same telephone line that could carry only one computer signal, now can carry three or more signals at onse throught the some lines, using a technique called multiplexing.
DSL is another digital altenative for the small business of homw user. DSL (digital subscriber line) transmeits at fast speeds on existing standard copper telephone wiring. Some of the DSL installations can procide a dial tone, so you can use the line for both voice and data.
ADSL(asymmetric digital subscriber line) is a type of DSL that supports faster transfer rates is when receiving data (the dounstream rate) then when sending date (the upstream rate.) ADSL is ideal for Internet access because most users download more information from the Internet that they upload.
Cable Television Lines
Although cables television(CATV) line, are not a type of telephone line, the are a very popular type of dedicated line that allows the home user to connect ot the Internet. Data can be transmitted very rapidlyvia a cable modem connected to a CATV line.
And this is for todays post, also please support Rocreh web design.
Post a Comment