The PVDM4 modules are supported on the Cisco 4451-X platform. You can plug them directly into the single slot on the router motherboard or onto the network interface module (NIM) that supports T1/E1 ports. Enhanced DSP architecture accommodates a packet-processing engine optimized for rich-media voice applications, while concurrently supporting the time-division multiplexing IP (TDM-IP) voice framework. A PVDM4 module plugged onto the motherboard delivers IP-based voice services such as conferencing, media optimization, and transcoding. A PVDM4 module plugged onto the NIM daughter card would be used for voice T1/E1 connectivity. All the PVDM4 modules have the same form factor and are field-upgradable to allow you to easily scale your voice deployments.
- Product Description Cisco Fourth-Generation 256-Channel High-Density Packet Voice Digital Signal Processor Module - voice DSP module
- Device Type Voice DSP module
- Form Factor Plug-in module
- RAM 512 MB
- Designed For P/N: ENCS5408/K9, ENCS5412/K9, ISR4321/K9-RF, ISR4321-DNA, ISR4321-PM20, ISR4321-SEC/K9-RF, ISR4321-VSEC/K9-RF, ISR4331/K9-RF, ISR4331-AX/K9-RF, ISR4331-DC/K9, ISR4331-DNA, ISR4331-PM20, ISR4351-DNA, ISR4351-PM20, ISR4431/K9-RF, ISR4431-DNA, ISR4431-PM20, ISR4451-DNA, ISR4451-PM20, SPIAD4321
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