Reply To: ADSL traffic Design 19th December 2002 at 06:47 #34941 siemensGuest Popularly, the concentrating fator is 1:10 in IP network.So for 8M ADSL,E1 IMA=200*8M/(10*2M)=80 for 512K ADSL,E1 IMA=200*512K/(10*2M)=5