PRODUCT SPECIFICATIONS More Information PRODUCT SPECIFICATIONS 8 port modular analog PCI 3.3/5.0V card, no interfaces and HW Echo Can. The Digium 1A8A01F from the A8 Series is a PCI card with Echo Cancellation for 3.3/5.0V with 0-FXS/0-FXO and 8 ports. The A8A-series PCI cards from Digium are scalable to up to eight connections. Interchange FXO and FXS modules, as either two quad-port modules or up to four single-port modules. The Digium 1A8A01F PCI card is compatible with Asterisk, allowing connectivity for analog phones, or connect an analog PBX to a VoIP service. Carrier-grade echo cancellation gives this base PCI card enhanced audio. Technical Description One (1) - eight (8) analog ports PCI or PCI Express bus architectures Combine line (FXO) and station (FXS) modules Accepts up to four (4) single-port modules Optional DSP-based carrier grade echo cancellation module 32-bit 33MHz Loop Start or Kewl Start Signaling Temperature: 0° to 50° C Digium patented VoiceBus™ technology for better audio With Asterisk - DAHDI 2.7 or later required With Switchvox - Switchvox 5.8.1 or later required More Information MFRPartNum: 1A8A01F Datasheet: Click here