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Plesiochronous Digital Hierarchy. Plesiochronous Digital Hierarchy. Telephone channel 64 Kbps Primary Mux 30 channel - 2.408 Mbps - E1 24 channel - 1.544 Mbps - T1. SDH / SONNET. SDH / SONNET Designations And Bandwidths.
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Plesiochronous Digital Hierarchy • Telephone channel • 64 Kbps • Primary Mux 30 channel - 2.408 Mbps - E1 24 channel - 1.544 Mbps - T1