Section 9 - Sprint

A time-division, pulse-code modulation, voice carrier used on exchange cable to provide short-haul trunks. T-1. Digital transmission link with a capacity of 1.544 Mbps. T-1 uses two pairs of shielded twisted wires and handles 24 DS-0 channels. Introduced in the early 1960s, T-1 is a digital, time-division multiplexed carrier system. ................
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