
Jamadagni H S DC/V1/2004 5
Switching system objective: To interconnect two
circuits for information exchange
Information: Voice, Data, FAX, Still Video, moving video, etc.
Type of signal Bandwidth Data rate
Voice 4 KHz 64 Kbps
Data 300 bps to several mbps
Still video 1 to 4 MHz
Moving video 4 to 10 MHz 1 to 30
Mbps
FAX 30 to
150 Mbps
9.6 Kbps
Signals in Switching Systems
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