The once-esoteric T1 line is now commonplace and many residential users can use DSL to match the rated throughput of a full T1 line. Both DSL and T1 are rated for 1.5Mbps. For some businesses, the T1 is no longer adequate. Bonded T1 service up to 6 lines can provide a bit over 9Mbps. If bandwidth requirements exceed that the next step is T3 lines.
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February 15th, 2010