E5 | Article about E5 by The Free Dictionary
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A European framing specification
transmission of 256 multiplexed E1
data streams, resulting
in a transmission rate of 565.148 Mbps (= 565,148 kb/s).
E5A 565.148 Mbps point-to-point dedicated, digital circuit provided by the telephone companies in Europe. E5 lines carry four multiplexed E4 channels. See E1, E4 and DS.