![Digium 1A8B04F 4 FXS 4 FXO PCI Express Card w/Echo Cancellation Digium 1A8B04F 4 FXS 4 FXO PCI Express Card w/Echo Cancellation](https://cdn11.bigcommerce.com/s-u3uxlvxq3h/images/stencil/400x400/products/1302/18739/1A8B04F-2__00060.1584423322.jpg?c=1)
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Digium AEX2402B is a modular telephony card that connects analog phone lines to Asterisk-based IP phone systems. This model combines an AEX2400 base card with twp X400M FXO modules. The card is a cost-effective and scalable solution for reducing infrastructure like gateways, while integrating analog phones with your VoIP system.
Digium AEX2400 is a base card with room for six FXO/FXS modules in total, so you can add further FXO or FXS port modules to customize the card to fit your phone system. It is a full-length PCI Express card. Digium X400M is a quad FXO module that provides four trunk line interfaces to connect to the PSTN.
Digium AEX2402B comes with a 5-year manufacturer warranty.