@ankado
When used on ADSL it means nothing and works in exactly the same way as the others. However the hub can be configured to work as a simple router rather than a combined ADSL modem/router. It can then be used with a fibre modem or on a FTTP connection.
If it is configured as a straight modem then as @Browni says you lose the use of this socket as a LAN output but instead it becomes the WAN input from the outside world, bypassing the modem section.
The configuration can be changed in the expert_user settings.
Moderator and Customer
If this helped - select the Thumb
If it fixed it, help others - select 'This Fixed My Problem'
