Understanding PDH

1 beer = 64 kb/s timeslot (E0)

16 Crates = 16 xE1 or E3 (PDH)

32 beers = 1 Crate (E1) or 2048 kb/s or 2 Mb/s=

Click

1 Crate (E3) + packing = VC3

3 VC3 + More packaging into a truck = STM-1 (155

Mb/s

Payload Overheads

Understanding SDH