Using the USS for the provision of power for ISDN interfaces

Often the situation may arise, where the PABX provides a BRI/S₀-Interface without power feeding. If in this case an ISDN end device needs to be connected to this BRI/S₀-Interface, the USS should be used, in order to supply the required power to the BRI/S₀-Interface.

On the right hand side you can click your way to further information about USS .