WAN-Wide Area Network
A WAN (Wide Area Network) is a computer network that covers a broad geographical area (eg.
Internet) that is used to connect LAN and other types of network systems.
WAN Service
Three WAN interfaces are provided for WAN connection: ADSL, VDSL and 3G/4G/LTE
Click Add to add new WAN connections.
There are three transfer modes for you to configure for WAN connection, namely ATM (ADSL), PTM
(VDSL) and 3G/LTE. Configuration of PTM mode is similar as ATM mode, here take ATM mode WAN
configuration for example