| For those of you who are new to the T1 world, here is | | | | collective speed of 1.544 megabits per second (Mbps) |
| some information that may help bring some clarity to | | | | and usually connects from the customer premise (CP) |
| the issue. The terminology that is known as a "T-1" or | | | | directly to an extensive fiber optic Internet Service |
| "T1" is abbreviated for Trunk Level 1, which is a | | | | Provider (ISP) backbone. |
| telecommunications standard for digital transmission | | | | The effectiveness of an Internet T1 over cable or DSL |
| under the Digital Signal Level hierarchy. A T1 over | | | | Internet service is that the total amount of 1.544 Mbps |
| copper is delivered by connecting two pairs of twisted | | | | minus the .008 Mega bits per second for framing of |
| copper wires between the subscriber location and the | | | | available bandwidth is delivered by a T-1 connection |
| telco providers central office also known as the (CO). | | | | that is guaranteed 24 x 7 x 365 by the Internet |
| One of the 2 twisted copper pairs is for transmitting | | | | Service Provider under a Service Level Agreement |
| data and the other pair is for receiving data. In | | | | (SLA) that dictates service reliability in precise terms. |
| conjunction, the 4-copper-wire transmission media | | | | Also, when a T1 is not sufficient enough you are able |
| carrying the digital signaling standard produces a full | | | | to bond the T1's up to as many as 8 T1's commonly |
| duplex symmetrical or bi-directional circuit. When a T1 | | | | phrased as NxT1, the N standing for the number of T1 |
| delivered over fiber, a fiber pair is used as opposed to | | | | Lines to be bonded. |
| the 4-wire copper configuration as stated above. The | | | | The end result is that a T1 is used to provide last mile |
| copper solution is more common than the fiber, | | | | Internet Access to an ISP's (Internet Service |
| especially in rural area's. | | | | Provider's) Point of Presence also known as their PoP, |
| T1 Lines are very valuable when it comes to business. | | | | a local loop is then delivered and T1 access is |
| A T1 Line is much more reliable than DSL because of | | | | provisioned as 1.536 Mbps of bandwidth and a full 1.536 |
| the SLA guaranteed by the ISP and it is dedicated so | | | | Mbps bi-directional plus the .008 Mbps of framing bits |
| there isn't anyone who shares the connection with the | | | | which equals the 1.544 Mbps. So before you go |
| subscriber. When a T1 Line of High-Speed Internet is | | | | shopping for T1 Lines make sure that it is a true T1 and |
| connected to the World Wide Web/Internet over fiber, | | | | not one of those oversubscribed wireless circuits |
| dedicated copper or Ethernet using a | | | | where the whole neighborhood is sharing the |
| telecommunications standard that was developed by | | | | connection and is promoted in local markets for a |
| AT&T/Bell Labs for North America/United States | | | | ridiculously lower price that is traditionally sold on the T1 |
| Canada and Japan it transmits data packets at a | | | | market. |