TRENDnet TW-H6W1IR manual The items are described as follows

TW-H6W1IR ISDN Remote Router

The items are described as follows:

?? IP Address – is the first IP Address that will be assigned to a dial- in user.

?? Range – is the number of IP Addresses that can be assigned. In the window shown above, dial-in users will be assigned the IP Addresses 170.100.200.1 or 170.100.200.2 (only two are necessary since the router used in the examples has only two ISDN ports).

ISDN Link 1

This submenu contains a number of settings (shown below) which allow you to configure the router to dial out.

Configuration and Management 53