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E carrier system | E0,E1,E2,E3,E4

The following table describes E carrier system (Ethernet carrier ) which includes E0, E1, E2, E3 and E4. This is also referred as non-synchronous PDH hierarchy.

E-carrier Digital Bit Rate Channels
E0 64 kbits/sec one 64 kbits/sec
E1 2.048 Mbits/sec 32 E0
E2 8.448 Mbits/sec 128 E0
E3 34.368 Mbits/sec 16 E1
E4 139.264 Mbits/sec 64 E1

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