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The Cisco Fourth-Generation Packet Voice Digital Signal Processor Module (PVDM4) enables Cisco 4451-X Integrated Services Routers (ISRs) to provide rich-media capabilities such as high-density voice connectivity, conferencing, transcoding, media optimization, translating, and secure voice in Cisco Unified Communications Solutions.
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Codec support and capacity:
The PVDM4 modules support a wide range of codecs of different complexities. They support all codecs that are supported by the PVDM3 modules.
Voice-quality management:
The PVDM4 modules perform compression, voice-activity-detection, jitter-management, and echo-cancellation functions.
Energy-saving feature:
The PVDM4 DSPs offer multiple power-saving modes, including a power-saver mode when the module is not in use. In power-saver mode each PVDM4 can save up to 5 watts of power.
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Connectivity Technology: Wired
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module, documentation
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Form Factor: Plug-in moduleModel: Fourth-Generation 256-Channel High-Density Packet Voice Digital Signal Processor Module (Factory Upgrade from 64-Channel)
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RAM (installed): 512MB
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512MB RAM
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Networking Type: Voice DSP module
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Due to manufacturer restrictions, all sales on this item are final. Call the Cisco Technical Assistance Center (TAC) for defective product and technical issues at 1-800-553-6387
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0.55 lbs
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Compliant Standards: AS/NZS 60950-1Compliant Standards: CAN/CSA-C22.2 No. 60950-1Compliant Standards: CISPR 22 Class BCompliant Standards: CISPR 24Compliant Standards: EN 60950-1Compliant Standards: EN 60950-1 Second EditionCompliant Standards: EN 61000-3-2Compliant Standards: EN 61000-3-3Compliant Standards: EN 61000-4-2Compliant Standards: EN 61000-4-3Compliant Standards: EN 61000-4-4Compliant Standards: EN 61000-4-5Compliant Standards: EN 61000-4-6Compliant Standards: EN 61000-4-8Compliant Standards: EN50082-1Compliant Standards: EN55022 Class BCompliant Standards: EN55024Compliant Standards: FCC CFR47 Part 15 BCompliant Standards: GB 4943Compliant Standards: IEC 60950Compliant Standards: IEC 61000-4-11Compliant Standards: NOM-019-SCFI-1998Compliant Standards: UL 60950-1Compliant Standards: UL 60950-1 Second Edition
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