Very High Speed ADSL
Very High Speed ADSL ( VADSL ) is an obsolete designation of a DSL variant before VDSL was officially introduced as a term in 1995. VADSL so it complies with VDSL, with VDSL, however, also contains a balanced transmission mode.
See also: Asymmetric Digital Subscriber Line (ADSL), Very high data rate Digital Subscriber Line ( VDSL)
- Digital Subscriber Line