Example For Dvg-6004S - D-Link DVG-7022S User Manual

Example for Line Ports :
Line Ports connecting directly to the Telephone Line of a PSTN
P1-P4 is FXO interfaces and can all be connected to a PSTN to serve as a bridge between the
PSTN and other VoIP telephones. The system also allows a call to be made from a traditional
telephone line to connect with a user behind the Gateway.
Integrating Line Ports with PBX
P1-P4 is FXO interfaces and can be connected with PBX extension lines (exclusively for analog
interface, not applicable for digital type).
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