This unit sold just like it is shown on the pictures.Come with manuals, cables
and documents or installation CDs
This listing is for a Sangoma Remora A20002DE 4FXO PCI Express Card with Echo CancellationYou will receive exactly what is in the photos.
It comes without 2 FXO cards not installed (that will handle 4 analog POTS lines) along withhardware-basedEcho Cancellation.These were purchased as backups while we were changing over systems.
Sangoma states:“Sangoma cards are guaranteed to work with FreePBX and PBXact systems with full Plug-and-Play support from the web GUI.”Sangoma Remora A20002DE 4FXO PCI Express Card with Echo Cancellation Overview

The Sangoma A200 Analog Telephony Card can be easily scaled from two to 24 ports for Asterisk, FreePBX, and PBXact phone systems. The design of the A200 allows you to mix and match between FXO and FXS interfaces, so you have the exact configuration you need. The base of the A200 telephony card supplies 2-24 analog ports using dual-channel interface modules can be increased up to 24 ports by incorporating daughterboards and the Remora backplane system. Like all Sangoma AFT Series, the A200 and Remora system has field upgradeable firmware so you can take advantage of enhancements as they become available.

Sangoma A200 Remora PCI Express Card Features:

• From 2 to 24 ports supported, mixing FXO and FXS interfaces, as required.
• Single synchronous PCI interface for all 24 FXO/FXS ports.
• Four RJ11 ports per Remora(tm) card.
• Dimensions: 2U Form factor: 120mm x 55 mm for use in restricted chassis.
• 32 bit bus master DMA data exchanges across PCI interface at 132 Mbytes/sec for minimum host processor intervention.
• Optional DSP Echo Canceller Daughterboard on the A200D
• G.168-2002 echo cancellation in hardware.
• 1024 taps/128ms tail per channel on all channel densities