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Rhino Quad FXO PCI-e Card w/ Echo Cancellation

Rhino R4FXO-e-EC

Availability: In stock
Condition: New


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Rhino Quad FXO PCI-e Card w/ Echo Cancellation


Linux Open Source Telephony Quad FXO (R4FXO) PCI-e Plug-In Card

PCI-e Card Features
• Asterisk soft PBX tested and ready
• Zaptel-compliant open source Linux module source code
• 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
• 5-year limited warranty

DAA Features
• On-chip uLaw or aLaw CODEC with integrated PCM highway
• 80db dynamic range Tx/Rx
• 3 uA on-hook line monitor
• Programmable digital gains
• Line voltage and loop current monitor
• Integrated ring detector
• Programmable line interface, including AC termination, DC termination, ring detect threshold, ringer impedance to support over 70 countries
• Tip.Ring polarity reversal detection

Echo Cancellation Specs
• 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
• 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

Additional Information


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