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                        | Digium TDM844B Analog Card 
 The Digium TDM844B  is created by bundling the TDM800P base board with one S400M FXS module  and one X400M FXO module. The resulting product is a half length PCIx  2.2  compliant, 8 port card that can support 8 analog telephone lines.
 
 Digium TDM844B Analog Telephony Card Information:
 
 As a modular device the Digium Wildcard TDM800P acts as a host device  for Carrier and Station side modules to create a robust telephony  interface for the most demanding Asterisk environments.
 
 The TDM800P contains two module banks. Each bank supports up to four  analog interfaces. The module banks may be filled either with one  standard Digium quad analog module, or up to two standard Digium single  analog modules enabling the creation of any combination of ports. The  optional hardware echo cancellation module provides 1024 taps (128  milliseconds) of echo cancellation for superior echo cancellation on  both FXO and FXS interfaces.
 
 Using this card in concert with  Digium's Asterisk software, standard PC hardware, and the Linux OS, you  can create SMB or SOHO telephony environments capable of satisfying the  needs of small or medium business applications at an industry-leading  price.
 
 Digium TDM844B Features:
 
 
                            Additional Product Information:5 Year Warranty4 FXS Ports and 4 FXS PortsVoltage Agnostic 3.3v or 5vPCIx interfaceDigium Exceptional Satisfaction Program (ESP)Optional Echo Cancellation 
 Digium Part Number: 1TDM844BF
 UPC Code: 797734475135
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