Cisco Module NIM-PVDM-256= : 256-Channel DSP For Voice/Video & NIM Slot Compatibility
The Cisco NIM-PVDM-256= is a high-performance Digital Signal Processor (DSP) module designed for Cisco ISR 4000 series routers, delivering 256-channel voice/video processing in a compact Network Interface Module (NIM) form factor. Ideal for enterprise VoIP, UC collaboration, and video conferencing, this module offloads CPU-intensive tasks, ensuring low-latency, high-quality audio/video with efficient power consumption.
Key Features & Benefits
✔ 256-Channel High Density – Supports G.711, G.729, G.722, iLBC codecs for scalable VoIP deployments.
✔ NIM Slot Compatibility – Plugs directly into ISR 4451-X/4431 routers, saving space vs. traditional PVDM modules.
✔ Video & UC Optimization – Enables H.264, WebRTC transcoding and Cisco Unified Communications (CUCM) integration.
✔ Enhanced QoS & Reliability – Reduces jitter/packet loss with hardware-based DSP processing.
✔ Energy-Efficient PVDM4 Architecture – Lower power draw than previous-gen DSP modules.
Technical Specifications (NIM-PVDM-256=)
| Parameter |
Details |
| DSP Type |
PVDM4 (Packet Voice DSP Module 4) |
| Max Channels |
256 (voice/video) |
| Codecs Supported |
G.711, G.729, G.722, iLBC, Opus |
| Video Support |
H.264, WebRTC, VP8 |
| Compatibility |
Cisco ISR 4451-X, 4431, 4321 (with NIM slot) |
| Power Consumption |
<15W (typical) |
| Form Factor |
NIM (Network Interface Module) |
Ideal Use Cases
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Enterprise VoIP gateways (SIP, PRI, or T1/E1 trunking).
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Cisco Webex & video conferencing hardware acceleration.
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Service provider voice services with high-density transcoding.
Optimized for Cisco IOS-XE, the NIM-PVDM-256= ensures seamless integration with Cisco Unified Communications Manager (CUCM) and third-party SIP systems. Its hot-swappable design simplifies upgrades, while hardware-based DSPs guarantee consistent performance under heavy loads.
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Cisco Module NIM-PVDM-256= : 256-Channel DSP For Voice/Video & NIM Slot Compatibility Images
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