Cisco PVDM4-32U64 Digital Signal Processor Module Card upgrades a PVDM4 system from 32 channels to 64 channels, effectively doubling the DSP capacity. The 32-to-64 channel upgrade adds additional DSP resources for processing multiple digital signals on Cisco equipment that uses the PVDM4 module. This 32-channel-to-64-channel upgrade is the specific PVDM4 option for expanding channel capacity on Cisco hardware.
