Shipping included*
Exclusions
Additional shipping fees may apply in rare circumstances for deliveries outside standard service areas. In most cases, this only potentially affects shipments to the Northwest Territories and Yukon, as well as certain heavy or oversized items.
Cisco PVDM4-32-RF 32-Channel Voice DSP Module for 4451-X ISRs - Refurbished
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
This voice DSP module provides 32 concurrent channels for voice processing, supporting various codecs and voice services. The PVDM4-32 model represents Cisco's fourth-generation DSP technology, optimized for efficient media processing in modern networking environments.
The module operates as a dedicated voice processing resource within compatible Cisco routers, offloading voice processing tasks from the main router CPU. This architecture ensures consistent voice quality while maintaining overall router performance for routing and security functions.
This section brings together practical product details such as Application/Usage, Height, Width, Depth, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The PVDM4-32-RF delivers enterprise-grade voice processing capabilities in a compact, efficient package. Its dedicated DSP architecture ensures reliable voice quality and media services for business communications.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include 32-Channel Density, Cisco 4451-X Compatibility, Refurbished Reliability, Compact Form Factor.
Deployment / Use Cases
This voice DSP module is ideal for organizations deploying or expanding Cisco-based voice solutions. It enables high-density voice processing for enterprise telephony systems, supporting concurrent voice channels for various communication needs.
Common deployment scenarios include enterprise branch offices requiring multiple voice lines, contact centers needing reliable voice processing, and organizations implementing Cisco Unified Communications solutions. The module integrates directly into Cisco 4451-X routers, providing a streamlined voice infrastructure without additional external equipment.
Physical Profile
The module features a compact design measuring 2.50" wide by 2.62" deep by 0.67" high (63.50 x 66.55 x 17.02 mm), with a lightweight construction at just 1.28 ounces (36.29 grams). This small footprint allows efficient use of router slot space while maintaining full voice processing capabilities.
- Width
- 2.50" (63.50 mm)
- Depth
- 2.62" (66.55 mm)
- Height
- 0.67" (17.02 mm)
- Weight
- 1.28 oz (36.29 g)
Highlights
- 32-channel voice DSP capacity for high-density voice processing
- Compatible with Cisco 4451-X Integrated Services Routers
- Refurbished condition with full functionality
- Compact dimensions: 2.50" x 2.62" x 0.67"
- Lightweight design at 1.28 ounces
- Dedicated voice processing offloads router CPU
- Supports various voice codecs and media services
- Enterprise-grade reliability for business communications
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | PVDM4-32-RF |
| Brand Name | Cisco |
| Product Model | PVDM4-32 |
| Product Name | 32-Channel Voice DSP Module |
| Product Condition | Refurbished |
| Product Type | Voice Module |
| Technical Information | |
| Application/Usage | Voice |
| Physical Characteristics | |
| Height | 0.67" (17.02 mm) |
| Width | 2.50" (63.50 mm) |
| Depth | 2.62" (66.55 mm) |
| Weight (Approximate) | 1.28 oz (36.29 g) |
| Miscellaneous | |
| Compatibility | Cisco 4451-X Integrated Services Routers (ISRs) |
FAQ
What Cisco routers are compatible with this voice DSP module?
This PVDM4-32-RF module is specifically compatible with Cisco 4451-X Integrated Services Routers (ISRs). It integrates directly into these routers to provide voice processing capabilities without requiring additional external equipment or complex configuration.
How many voice channels does this DSP module support?
The module supports 32 concurrent voice channels, providing high-density voice processing capacity for enterprise telephony deployments. This channel count enables multiple simultaneous voice calls and media processing sessions within compatible Cisco router environments.
What does 'refurbished' mean for this product?
Refurbished indicates this module has been professionally tested, inspected, and restored to full working condition. It delivers the same functionality and compatibility as a new module while offering a cost-effective solution for voice infrastructure deployments.
What are the physical dimensions of this voice module?
The module measures 2.50 inches wide, 2.62 inches deep, and 0.67 inches high (63.50 x 66.55 x 17.02 mm). This compact form factor allows efficient integration into Cisco 4451-X router slots while maintaining full voice processing capabilities.