Increase the power of your Allworx 6x, 10x, and 24x Systems with the cost-effective Allworx Px 6/2 Expander. Use up to three Expanders simultaneously to add more FXO ports and FXS ports to your 6x, 10x, or 24x system. Each Px 6/2 Expander includes: Six (6) dedicated loop start FXO ports (e.g. traditional telephone lines - Central Office PSTN service) Two (2) dedicated internal FXS ports (e.g. analog phones & fax machines, alarm systems) Easy plug-n-play connection Ability to connect up to three (3) Px units per Allworx System Fully integrated graphical user interface LED indicators for port status monitoring Each Px 6/2 Expander requires: Installation of the Allworx Internet Call Access Key (VoIP Key) Installation of Allworx System Software 6.9 How many ports do you need? Each Px 6/2 Expander provides six FXO Ports and two FXS ports with all the functionality of built-in 6x, 10x, and 24x ports. The six Analog Loop Start FXO lines can be used simultaneously for connectivity to any Central Office PSTN service. The two short-loop analog FXS local lines are suitable for fax machines or conference room phones. The Allworx Px 6/2 Expander connects quickly to the 6x, 10x, or 24x system, and up to three Px 6/2 Expanders can be connected per Allworx system providing you a total of up to 18 additional FXO ports and 6 FXS ports. With a fully integrated graphic user interface, the Allworx Px 6/2 Expander is a simple plug-n-play option to quickly expand existing capabilities as needed. With Allworx, you can grow your telephony networking system as you grow your business.