Home About T1 Survey T1 Line or T3 Line DSL Line Technical Info Contact T1 Survey Get Free Price Quote Resources
Home About T1 Survey T1 Line or T3 Line DSL Line Technical Info Contact T1 Survey Get Free Price Quote Resources
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Technical Info for T1 LinesQ: What is T1 Line?
A: The T1 (or T-1) carrier is the most commonly used digital transmission service in the United States, Canada, and Japan. In these countries, it consists of 24 separate channels using pulse code modulation (PCM) signals with time-division multiplexing (TDM) at an overall rate of 1.544 million bits per second (Mbps). T1 lines originally used copper wire but now also include optical and wireless media. A T1 Outstate System has been developed for longer distances between cities. It is common for an Internet access provider to be connected to the Internet as a point-of-presence (POP) on a T1 line owned by a major telephone network. Many businesses also use T1 lines to connect to an Internet access provider.
Q: What is Metered T1?
A: Same technology as a T1, but you pay as you go. A low flat fee from $75-$150 is charged monthly plus your usage with a total cap of $400-550. A Metered T1 line is a good alternative if you need to "burst" occasionally, Or have months of heavy "Holiday" traffic followed by light office traffic. A metered T1 line is also used as a backup or "Shadow" connection to your main T1 line- adding diversification to your mission critical connection.
Q: What is DSL Line?
A: DSL refers to a class of technology used to obtain more bandwidth over existing copper telephone cabling running between a customer's premises and a Telco's Central Office. DSL allows simultaneous voice and high-speed data services such as super fast Internet access over a single pair of copper telephone wires. Such DSL Services include HDSL, ADSL, VDSL, SDSL and R-ADSL.
Q: What is DS3?
A: A T3 line is a dedicated digital connection that supports up to 45 megabits per second. Fractional DS3's range in speed from 3 mbps to 45 mbps. Used by large organizations, Universities, ISPs. Server hundred users can be online simultaneously.
Q: What is VPN?
A: Virtual Private Network. A secure connection (dial or dedicated) that tunnels through the Internet via encryption. VPN technology is a cost saving alternative to a point to point "non internet" connection.
Q: What is OCx?
A: A dedicated digital connection 45-192 + megabits per second. OCx lines are used by large corporations or providers as backbone lines to the Internet.
Q: What is Multi-Site Connectivity?
A: Known as Multi Site T1, T3 Connectivity, Multi T, Multi-T, Multi T1. This type of connection is connectivity through a blend of T1, DS3, Cable, DSL for multiple locations. Geared to large corporations i.e. Retail, Restaurant, Law Firms, with 10-5,000 locations and remote users. A Multi T1 line can be grown from 3mbps to a max of 9mbps. The T1 lines are bonded together to give a virtual DS3 pipe. This is a good lower cost alternative to a fractional DS3 if you do not need to surpass 9mbps in the next 12 to 18 months.
T1 Definitions and Information Resources: