1) What is the effect of changing the dsl type to adsl2 , adsl2+ , adsl1
after some testing i found out that forcing the modem to make the connection type 2+, it stops getting any connection.
If i select adsl2 it will be set automatically to T1.413 (which has a down and upload stream lower then adsl1); adsl1 is automatically configured when your a dsl customer.
ADSL standards :
Source :
wikipedia.org
Its funny that our connection isn't near to t1.413 yet, which has been approved in 1998 --