Echo Cancellation Features
  •      On-board - no module
  •      Adaptive Digital Technologies G.168 Echo Canceller is a carrier-class, ITU G.168 compliant line echo canceller, which meets and exceeds G.168-2002
  •      Cancels up to 128msec tail - 1024 taps
  •      Non-linear processor
  •      Comfort Noise Generator
  •      Automatic tail search
  •      Excellent voice quality
  •      Cancels multiple independent tails
  •      Fast Convergence
  •      No divergence due to doubletalk
  •      Tone Disabler disables echo canceller during voiceband modem and FAX connections
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Standard Analog Features
  •      No PCI bus bit banging!
  •      On-board Texas Instruments and Adaptive Digital Technologies Echo Cancellation technology
  •      Asterisk soft PBX tested and ready
  •      Zaptel/DAHDI compliant open source module source code included
  •      Custom Rhino PCI interface chip means no wasted CPU overhead
  •      zttool/dahdi_tool compliant interface
  •      Field software upgradable
  •      Loop and Kewl signaling protocols
  •      Distinctive ring in Loop start mode
  •      Caller ID enabled in Loop start mode
  •      Native analog DID interpretation on FXS channels
  •      5-year limited warranty
  •      Unlimited Support
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RCB4FXO Pricing
  • List Pricing for the Rhino R4FXO-EC card (r4fxo-ec) -MSRP priced at $429
  • For reseller pricing and quantity discounts please contact us at : 877.RHINO.T1 (877-744-6681)
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PCI Card Mechanical Data

Size : 3.9” tall, 5.5 ” wide

Form Factor: Single PCI slot

Weight : 1 pound with all included components maximum

    EchoClear™ Rhino Quad FXO Analog Card with EC (R4FXO-EC)

    The Rhino R4FXO-EC is “ready to roll” with two incredible feature differentiations over our competition - our on-board control element, and our on-board Echo Cancellation circuit. The control element eliminates PCI bus “bit banging”, which means that the R4FXO requires less CPU power, and more Rhino cards can be used in one computer over alternative, antiquated solutions. The Echo Cancellation circuit provides echo protection no matter what, to ensure that calls are clear, crisp and echo free.


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                RCB4FXO Features
                •      Asterisk soft PBX tested and ready
                •      On-board Texas Instruments and Adaptive Digital Technologies Echo Cancellation technology
                •      Proven Silicon Labs FXO DAA component - Si3050
                •      Silicon Labs international line interface device - Si3019
                •      Custom Rhino PCI interface chip means no excess CPU overhead
                •      Rhino on-board control element eliminates PCI bus bit banging. The R4FXO loads the PCI bus to no more than the load of a T1 card.
                •      Four RJ11 jacks at card bracket
                •      Field software upgradable
                •      All major signaling modes supported
                •      Advanced features such as Caller ID and Distinctive Ring
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