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WAN P.L standards

WAN physical layer standards

QuestionAnswer
what are the WAN physical layer standards? 1)EIA/TIA 232 2)EIA/TIA 449/530 3)EIA/TIA 612/613 4)V.35 5)X.21
EIA/TIA 232 RS-232,PRINTERS AND COMPS,25 PIN D CONNECTOR,64 KBPS,SHORT
EIA/TIA 449/530 RS-422,RS-423
Created by: sandy88
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