How do I restore my EtherWAN switch to factory defaults using the console interface (CLI)?

Answer:

1. Connect PC and EtherWAN switch via DB9 console cable
2. Open Hyper Terminal
3. Baud rate : 115200, Dada bits: 8, Stop bits: 1, Parity: non
4. Type following commands

switch_a login: root
switch_a>enable
switch_a#restore default