Cisco PVDM-256K-20

The Cisco PVDM-256K-20 is a digital signal processor (DSP) module used in Cisco routers and voice gateways. It is part of the Cisco Packet Voice Digital Signal Processor Module (PVDM) series. The PVDM-256K-20 provides additional DSP resources to support voice and video applications, such as voice over IP (VoIP) and video conferencing. It has a capacity of 256 kilobits per second (Kbps) and can support up to 20 channels. The PVDM modules are typically used to offload the processing of voice and video traffic from the main CPU of the router or gateway, ensuring efficient and reliable communication.