Cisco Fourth-Generation 128-Channel High-Density Packet Voice Digital Signal Processor Module
Voice DSP module
for Cisco 4451-X
Overview
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, transcending, media optimization, translating, and secure voice in Cisco Unified Communications Solutions.¦The PVDM4 modules are supported on the Cisco 4451-X platform. You can plug them directly into the single slot on the router motherboard or onto the network inter face module (NIM) that supports T1/E1 ports. Enhanced DSP architecture accommodates a packet-processing engine optimized for rich-media voice applications, while concurrently supporting the time-division multiplexing IP (TDM-IP) voice framework.
Voice-quality management
Energy-saving feature
Cisco platform availability
Voice-quality managementThe PVDM4 modules perform compression, voice-activity-detection, jitter-management, and echo-cancellation functions. The echo cancellation offered in the PVD M4 modules has a tail length of 128 milliseconds (ms) and complies with ITU-T G.168.Energy-saving featureThe 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.Cisco platform availabilityThe PVDM4 modules are supported on Cisco 4451-X platforms. The platform has one slot for the PVDM4 module. You can plug any additional PVDM4 modules onto the T1/E1 NIMs.
Product DescriptionCisco Fourth-Generation 128-Channel High-Density Packet Voice Digital Signal Processor Module - voice DSP module
Device TypeVoice DSP module
Form FactorPlug-in module
RAM512 MB
Designed ForCisco 4451-X, 4451-X Application Experience, 4451-X Integrated Services Router Security Bundle, 4451-X Integrated Services Router Voice and Video Bundle, 4451-X Integrated Services Router Voice Security Bundle
Extended Specification
General
Device TypeVoice DSP module
Form FactorPlug-in module
Networking
Connectivity TechnologyWired
Processor / Memory
RAM512 MB
Miscellaneous
Compliant StandardsCISPR 22 Class B, CISPR 24, EN 61000-3-2, IEC 61000-4-11, IEC 60950, EN 61000-3-3, EN55024, EN50082-1, EN55022 Class B, AS/NZS 60950-1, EN 61000-4-4, EN 61000-4-2, EN 61000-4-3, EN 61000-4-6, EN 61000-4-5, EN 61000-4-8, UL 60950-1, EN 60950-1, UL 60950-1 Second Edition, FCC CFR47 Part 15 B, GB 4943, EN 60950-1 Second Edition, NOM-019-SCFI-1998, CAN/CSA-C22.2 No. 60950-1
Environmental Parameters
Min Operating Temperature0 °C
Max Operating Temperature50 °C
Compatibility Information
Designed ForCisco 4451-X, 4451-X Application Experience, 4451-X Integrated Services Router Security Bundle, 4451-X Integrated Services Router Voice and Video Bundle, 4451-X Integrated Services Router Voice Security Bundle