Brand: Cisco · SKU: PVDM4-XX · MPN: Varies by specific model (e.g., PVDM4-32, PVDM4-128) · Category: Components
The Cisco PVDM4 module is a high-density voice DSP router module designed for Cisco 4000 Series Integrated Services Routers (ISRs) like the ISR4451-X. It provides advanced digital signal processing capabilities to enable rich-media voice applications such as high-density voice connectivity, conferencing, transcoding, media optimization, transrating, and secure voice in Cisco Unified Communications Solutions. The module uses multicore DSP technology and can be plugged into the on-board motherboard slot or onto a Network Interface Module (NIM) that supports T1/E1 ports. Specific models like the PVDM4-32 offer up to 32 channels (low complexity), PVDM4-64 offers 64 channels (low complexity), and PVDM4-128 offers up to 128 channels (low complexity).
| Voltage | 3.3V |
|---|---|
| Interface | On-board motherboard slot or T1/E1 Network Interface Module (NIM) slot |
| DSP Technology | Multicore DSP technology |
| Voice Services | Conferencing, Transcoding, Media Optimization, Echo Cancellation (128ms tail length) |
| Platform Support | Cisco 4000 Series ISR Routers (e.g., ISR4451-X, ISR4351) |
| Supported Codecs | G.711, G.729a/b, iLBC, G.722, G.726, G.728 (and others depending on model/configuration) |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Power Consumption (PVDM4-32) | 4.85W |
| Max Channels (Low Complexity, PVDM4-32) | 32 |
| Max Channels (Low Complexity, PVDM4-128) | 128 |
| Warranty | Varies by seller; one source mentioned 365 days for a refurbished unit |
| Weight | Approximately 36 g (0.08 lb) for PVDM4-32 |
| Dimensions | Approximately 1.7 x 5.1 x 6.7 cm (0.67 x 2.50 x 2.62 in.) for PVDM4-32 |
The Cisco PVDM4 is a fourth-generation high-density Packet Voice Digital Signal Processor Module engineered to enable Cisco 4000 Series ISRs to handle rich-media voice and video capabilities. It supports intensive functions like conferencing, transcoding, and media optimization, crucial for modern Unified Communications deployments. It features an enhanced DSP architecture and supports multiple power-saving modes.
Yes, this Cisco Fourth-Generation Packet Voice Digital Signal Processor Module (PVDM4) (PVDM4-XX) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco Fourth-Generation Packet Voice Digital Signal Processor Module (PVDM4) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the PVDM4-XX.