What is T1?
A T1 is a term for a digital carrier facility used to transmit a DS-1
formatted digital signals at 1.544 megabits per second. This is made
up of 24 digital channels. This requires a digital connection device
(CSU/DSU) {Channel Service Unit/Data Service Unit} to connect to four
wires to carry the information. Most small Internet providers have a
T1 (or a fractional T1) line as their connection to the Internet. A
Full T1 should accommodate from one to over 200+ users and other
services from an Internet provider. Unlike the modem that is in most
computers a T1 line requires a CSU/DSU and the connection. The modem
that is in your computer is analog. The newer 56K modems are a
transition from analog to user affordable digital technology. The
newer ISDN modems are digital to allow for the higher speeds.
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