Cisco PVDM4-256 voice network module
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PVDM4-256
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PVDM4-256 Overview
The CISCO Pvdms Simplifies unified Communications Solutions, Rich-media Features Like High-density Voice Connectivity, Conferencing, Transcoding, Media Optimization, Transrating, And Secure Voice for The Catalyst Family Like CISCO 8000 Edge Platforms And The CISCO 4000 Series Integrated Services Routers (isrs). With The Help Of These Innovative Modules, An Unprecedented Scale May Be Supported With A Smaller Solution Footprint Than Before. Features And Benefits: The PVDM4-256 Support Digital Voice Connections, Conferencing, Universal Transcoding, And Media Optimization Services:
Summary Description
Cisco PVDM4-256. Width: 51 mm, Depth: 67 mm, Height: 17 mm
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Specifications
Overview
| Condition | New |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
Weight & dimensions
| Width | 51 mm |
|---|---|
| Depth | 67 mm |
| Height | 17 mm |
| Weight | 36 g |
Network
| Number of voice channels supported (max) | 256 |
|---|
Operational conditions
| Operating temperature (T-T) | 0 - 50 °C |
|---|
Technical details
| Compatibility | Cisco 4331, Cisco 4351, Cisco 4451 |
|---|
Frequently Asked Questions
What is the primary function of the Cisco PVDM4-256 DSP module in a network router? +
The PVDM4-256 is a high-density digital signal processor module designed to handle intensive voice and video processing tasks. It offloads tasks such as transcoding, conferencing, and echo cancellation from the router's main CPU, ensuring optimal performance for unified communications and IP telephony services in enterprise environments.
Which Cisco hardware platforms are compatible with the PVDM4-256-VHBRSN module? +
This module is specifically engineered for use with Cisco 4000 Series Integrated Services Routers (ISR 4000). It integrates directly into the motherboard, providing the necessary processing power to support high-scale voice sessions, media streaming, and advanced collaboration features across the branch office and enterprise edge infrastructure.
How many voice channels can the PVDM4-256 support simultaneously? +
The PVDM4-256 is configured to support a high capacity of voice channels, depending on the specific codec and complexity of the calls being processed. It provides the DSP resources required for dense voice deployment, enabling organizations to scale their telephony capabilities effectively without degrading the performance of other routing functions.
Is the PVDM4-256 module hot-swappable during normal router operation? +
While the ISR 4000 series supports modular components, internal DSP modules like the PVDM4-256 are typically installed during initial hardware configuration or maintenance windows. It is recommended to follow standard power-down procedures or consult your chassis documentation to ensure the system recognizes the hardware correctly upon installation.
Does the PVDM4-256-VHBRSN support video transcoding for collaboration endpoints? +
Yes, this module is built to handle intensive media processing, including video transcoding. By dedicating hardware resources to media streams, the PVDM4-256 ensures that video conferencing and collaboration sessions maintain high quality of service, reducing latency and preventing jitter in bandwidth-sensitive enterprise network applications.
What is the benefit of using a dedicated PVDM4-256 over software-based media processing? +
Using a dedicated hardware DSP module like the PVDM4-256 ensures that media processing does not consume the general-purpose CPU cycles of the router. This architecture provides predictable performance, lowers latency for real-time voice and video traffic, and allows the router to maintain full throughput for data routing tasks simultaneously.
How do I verify that the Cisco IOS software recognizes the PVDM4-256 module? +
Once the module is properly seated, you can verify its status using the Cisco IOS command-line interface. Executing commands such as 'show inventory' or 'show voice dsp' will provide details on the presence, health, and current resource utilization of the PVDM4-256, confirming it is ready for voice or video provisioning.
Are there specific licensing requirements to enable features on the PVDM4-256? +
While the module provides the physical DSP resources, the activation of specific voice features or concurrent call capacity may be tied to your existing Cisco Unified Communications licensing. You should verify your current software feature set and licenses to ensure you have the necessary permissions to utilize the full capacity of this DSP hardware.
Does BuyRouterSwitch.com offer bulk quotes for PVDM4-256 units for large-scale deployments? +
We provide competitive bulk pricing and custom quotes for organizations planning large-scale network upgrades. If you are ordering multiple units for a national or global rollout, our dedicated sales team can assist you in securing volume-based discounts that align with your procurement budget and project requirements.
Why should I choose BuyRouterSwitch.com for my Cisco PVDM4-256 procurement? +
Choosing BuyRouterSwitch.com ensures you receive authentic Cisco hardware sourced through reliable channels. We prioritize professional service, detailed technical support during the purchasing process, and efficient order fulfillment. Our focus on enterprise-grade networking components makes us the preferred partner for IT departments requiring consistency, accuracy, and professional handling of their hardware acquisition needs.
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