Digium AEX2451B is a modular telephony card that connects analog phone lines and analog station devices to Asterisk-based IP phone systems. This model combines an AEX2400 base card with five S400M FXS modules and one X400M FXO module. The card is a cost-effective and scalable solution for reducing infrastructure like gateways, while integrating analog phones and lines 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 S400M is a quad FXS module that provides four station line interfaces to connect to analog devices. Digium X400M is a quad FXO module that provides four trunk line interfaces to connect to the PSTN.
Digium AEX2451B comes with a 5-year manufacturer warranty.
Digium AEX2451B Telephony Card Quick Specs:
- Base Card: AEX2400
- Maximum Modules: 6
- Maximum Ports: 24
- Form Factor: PCIe 1.0+
- Connector: 50-pin RJ21
- FXO Modules: 1
- FXO Ports: 4
- FXS Modules: 5
- FXS Ports: 20
- Echo-Cancellation: no
Digium AEX2451B Analog Card (20 FXS, 4 FXO) Package Contents:
- Digium AEX2400 analog telephony card
- 5x Digium S400M FXS module
- 1x Digium X400M FXO module