Calculation for E2/ E3/ E4 and T2/ T3/ T4

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kengloong

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As I understand, the E1/ T1 calculation is as follow:-

E1 = Numbers of Bit X Total Numbers of Timeslot X Sampling Rate
= 8 Bits X 32 Timeslots X 8KHz
= 256 Bits X 8 KHz
= 2048Kbit/s

T1 = Numbers of Bit X Total Numbers if Timeslot + 1 Bit X Sampling Rate
= 8 Bits X 24 Timeslots + 1 Bit X 8KHz
= 192 Bits +1 Bit X 8KHz
= 193 Bits X 8KHz
= 1544Kbit/s

Anyone could shown me on the calculation for E2/ E3/ E4 and T2/ T3/ T4?

E2 = 8448Kbit/s
E3 = 34368Kbit/s
E4 = 139264Kbit/s

T2 = 6312Kbit/s
T3 = 44736Kbit/s
T4 = ?

Hope to hear from you all soon...
 

I do not know how the math works, but as far as I know the frame length of higher signals (E2/E3/../T2/T3/...) are not related in any technical way to the basic E1 or T1. The relations, such as T2 = 2 * T1 or E2 = 4 * E1, are correct from an organizational point of view, and I think it is not show the relationship of the formatted data.

Br,
 

But how they're getting the calculation of E2, E3, T2, T3?
 

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