T1 E1

A T1 carrier is a dedicated phone connection supporting data rates of 1.544Mbits per second. A T-1 line actually consists of 24 individual channels, each of which supports 64Kbits per second. Each 64Kbit/second channel can be configured to carry voice or data traffic. Most telephone companies allow you to buy just some of these individual channels, known as fractional T-1 access.

T-1 lines are a popular leased line option for businesses connecting to the Internet and for Internet Service Providers (ISPs) connecting to the Internet backbone. The Internet backbone itself consists of faster T-3 connections.  T-1 lines are sometimes referred to as DS1 lines. 

When someone says they are running T1, they may be saying several different things: The may mean that they have a network that is passing data at 1.544 Mbps; they may mean that they have a network that conforms to the T1 electrical interface specification (DSX-1), or that they have a network that passes data that conforms to one of the several framing formats (D4, ESF, etc.). More likely than not, they mean all three but their concentration may be on only one of these item

Similar to the North American T-1, E1 is the European format for digital transmission.  E1 carries signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps). E1 and T1 lines may be interconnected for international use.

Data Connect Enterprise offers a full range of T1 and E1 Products far too numerous to list
You may search this site for the Specific T1 or E1 products you require

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