Tenda D840 User Manual page 30

PPPoA mode
1) Select "PPP over ATM
(PPPoA)".
Encapsulation Mode:
VC/MUX
LLC/ENCAPSULATION
Once you select one mode,
the system automatically
changes the encapsulation
mode into the one
matching your setting.
Therefore, it is
recommended to keep the
default setting unchanged.
D840R ADSL2+ Router User Guide
25