A T1 line is a dedicated transmission connection between a service provider and client. T1 line speed is consistent and constant. A T1 line can carry 24 voice channels for telephone calls or digital data at a rate of 1.544 Mbps, and with usage of compression, carried channels double to 48.Click to see full answer. Considering this, are t1 lines obsolete?T1 is not obsolete, but its not viable for most businesses primary connection due to the low speeds. It’s great for a voice circuit or failover internet though. how much does it cost to run a t1 line? A T1 line might cost between $1,000 and $1,500 per month depending on who provides it and where it goes. The other end of the T1 line needs to be connected to a web server, and the total cost is a combination of the fee the phone company charges and the fee the ISP charges. Considering this, how does a t1 line terminate? A T1 is terminated at a “smart jack” which is connect to a CSU/DSU. The CSU/DSU is configured to determine which channels of the T1 are to be used for data and which are used for voice. It is possible to get a “fractional” T1, which is, as you stated, only a few of the channels.How fast is a t1 line?A T1 line plugs into your network’s router and has 24 channels. Each channel is capable of a maximum speed of 64Kbs. That means you can expect T1 to carry data at 1.5 Mbps (upload and download). A T3 line is faster, at about 43 megabits per second.
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