id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
4660	Becker, Joseph	Telecommunications Primer	2013-05-03	9	.pdf	application/pdf	3566	220	52	in inter-library communications, including their capacities, types of signaL<; library network programs to facilitate interinstitutional services, a concommitant requirement emerges to understand and apply communications Of all the different kinds of equipment used by libraries for interlibrary communications, the one which has received widest acceptance for Teletype communications between and among libraries are beginning to emerge in both informal and formal network configurations. other libraries, to serve as a channel for querying union catalogs, to accommodate reference questions and services, and to handle internal communications. New channels of communication are being opened that do provide capacity for broad band-width exchange. There are three principal types of signals that telecommunications systems are designed to carry: 1) Audio-originating as human speech or video signals may be carried to their destination and returned: by telephone line, by radio, by coaxial cable, by microwave relays, and by communications satellite. The technology of Community Antenna Television (CATV) incorporates extensive use o.f coaxial cables.	./cache/4660.pdf	./txt/4660.txt