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what is Analog and Digital Local loop?
Modem as Analog Local Loop and CSU/DSU as Digital Local Loop. How?
Long distance communications use either
Aalog lines that require Modems at each end, or
Digital circuits that require DSU/CSUs at each end.
. DSU part translates between telephone and computer encodings (they are different)
. CSU part terminates the line and allows maintenance
http://carbon.cudenver.edu/~bghosh/dc/sec6_co_displ.pdf
http://www.ii.uib.no/~sasha/I142/notes/part6.html
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Whats On My YouTube Today?
Black Box Names Part 1
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