| Product Type | Network Adapters |
| Form Factor | Plug-In Module |
| Connectivity Technology | Wired |
| Power Consumption Operational | 4.85 Watt |
CISCO PVDM4-128 128-Channel High-Density Voice DSP Module

Key Benefits
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- Enables high-density, low-power voice signal processing ideal for scaling enterprise VoIP solutions
- Seamless integration with Cisco Catalyst 8000 and 4000 series offers future-proof modularity
- TAA compliance and U.S. manufacturing support procurement in government and secure environments
Product Overview
The CISCO PVDM4-128 is a specialized 128-channel DSP module designed for demanding voice processing tasks. Compatible with the Cisco Catalyst 8000 Edge Platforms and 4000 Series ISRs, it supports onboard motherboard or T1/E1 module slot installation. Delivering strong T1/E1 digital voice to IP conversion capabilities, it operates efficiently at 4.85 watts. The compact module, measuring 2.5 x 2.62 x 0.67 inches, is both TAA compliant and made in the United States, making it ideal for secure government and enterprise use cases.
Specifications
Primary Information
Special Feature
| COO | UNITED STATES |
| TAA compliance | Yes |
Expansion
| Interfaces & Connections | On-board motherboard or T1/E1 module slot |
Dimensions&Miscellaneous
| Width | 2.5 Inch |
| Depth | 2.62 Inch |
| Height | 0.67 Inch |
UNSPSC Code
| UNSPSC Code | 43201404 |
General
| For Use With | Cisco Catalyst 8000 Edge Platforms Family and the Cisco 4000 Series Integrated Services Routers (ISRs) |
| Features | T1/E1 voice: One of the primary uses of PVDMs is to packetize digital voice into IP packets to enable Time-Division Multiplexing (TDM) digital voice applications. |