CCNA Explorer 4 PPP

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Seriel kommunikation

Seriel kommunikation
RS232 (Console port, COM port, WAN port (Synkron, asynkron)
TDM
TDM statistisk
ISDN
USA: Sonet Europa: SDH
PDH multiplexing (Amerikansk)
PDH multiplexing (Amerikansk)
*CO: Central Office
*DTE: Data Terminal Equipment
*DCE: Data Communicating Equipment
*NTU: Network Terminating Unit
*DSU/CSU: Channel Service Unit/Data Service Unit
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