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The PVDM4 DSP modules are the fourth-generation DSP modules that are supported only on the 4451-X ISR.DSPs are required for time-division multiplexing (TDM) services and for IP services such as conferencing and transcoding.PVDM4 is used with the T1/E1 NIMs for TDM voice termination. Unlike previous generations of PVDM2 and PVDM3 DSP modules, the PVDM4 modules are installed directly on the T1/E1 NIM. Depending on the number of channels required, the appropriate DSP module is installed on the NIM.For IP services such as transcoding and conferencing, the PVDM4 DSP module can be installed on the motherboard of the 4451-X ISR platform.
Compatibility : Cisco 4451-X, 4451-X Application Experience, 4451-X Integrated Services Router Security Bundle, 4451-X Integrated Services Router Voice and Video Bundle, 4451-X Integrated Services Router Voice Security Bundle
UPC : 0088265856242