Service Modules

EPA‑18X1GE OverviewASR1000 18X1GE EPA

NIM‑4FXSP OverviewNIM-4FXSP is a Cisco 4-Port Network Interface Module - FXS, FXS-E and DID. The Cisco® 4000 Series Integrated Services Routers (ISRs) host the Cisco network interface modules (NIMs), which have evolved from the enhanced high-speed WAN...

NIM‑4T OverviewCisco 4-Port Serial WAN Interface card

PVDM4-256-Ref Overview256-channel DSP module

PVDM4-32-New OverviewThe Cisco® Packet Voice Digital Signal Processor Modules (PVDMs) enable Cisco 4000 Series Integrated Services Routers (ISRs) to provide rich-media capabilities such as high-density voice connectivity, conferencing, transcoding, media...