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POM-OC48-SR-LC Cisco 1-port OC-48/STM-16 Pluggable Optic Module
PVDM3-16U192 Cisco PVDM3 16 to 192 Channel Factory Upgrade
PVDM3-16U192 Overview
Cisco PVDM3 16 to 192 Channel Factory Upgrade Voice DSP module DIMM 240-pin. This PVDM3 provides higher density and more processing power than the PVDM2, making the addition of rich-media applications possible. Enhanced DSP architecture accommodates a packet-processing engine optimized for rich-media voice and video applications, while concurrently supporting the time-division multiplexing IP (TDM-IP) voice framework used by the PVDM2.
PVDM4-32U64 Cisco Fourth-Generation 64-Channel High-Density
PVDM4-32U64 Overview
Cisco Fourth-Generation 64-Channel High-Density Packet Voice Digital Signal Processor Module. This 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.
