User's Manual Part 1
103 
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 
Two WAN interfaces are provided for WAN connection: DSL and Ethernet. 
Click Add to add new WAN connections. 
L  DSL 
In DSL mode, there are two transfer modes for you to configure for WAN connection, namely ATM 
and PTM, configuration of PTM mode is similar as ATM mode, here take ATM mode WAN 
configuration for example. 
Layer2 Interface: 2 transfer mode, ATM or PTM. 










