A Guide to Fractional, Volume 1
Artech House, 1992 - Technology & Engineering - 111 pages
This reference is a guide to the concepts, technology, uses, costs and vocabulary of fractional T-1 services. The book illustrates fractional T-1 capabilities and limitations by explaining basic T-1 networking, common fractional T-1 access methods, equipment interfacing and troubleshooting. The text describes the advantages to be gained with these services, the various service alternatives and the cost/benefit considerations.
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Basic T1 Concepts and Technology
The Elements of a Fractional Tl Circuit
Data Voice and Video Interfaces to Fractional T1
6 other sections not shown
64 kbps additional ADPCM allow analog backup bandwidth cable called channel card CHANNEL SERVICE UNIT clock composite cost customer premises customer-premises customer's D4 channel DACS data circuit data communications data interface data lines data rate data stream dataport devices digital circuit digital data digital service drop and insert encoding fiber optic Figure format four-wire fractional Tl channel fractional Tl circuit fractional Tl multiplexer fractional Tl service full Tl function input install inter-exchange inter-LATA intercity LAN bridging LATA loop charge Mbps normal offer point-of-presence ports problem punch-down block remote location span power speed SRDM standard statistical multiplexers subrate switched 56 kbps telecommunications telephone Tl bandwidth Tl channel bank Tl CSU Tl data Tl DSU/CSUs Tl line Tl local loop Tl signal toll office transmission troubleshooting two-wire V.35 interface video teleconferencing voice and data voice channel voice circuits