Original And New Cisco 4-Port Interface Network Module Integrated Services NIM-4E/M=

Product Information

^{The 4-Port E/M Network Interface Module NIM-4E/M is supporting for the Cisco 4000 ISR Series. The Cisco 4000 Series Integrated Services Routers (ISRs) host the Cisco network interface modules (NIMs), which have evolved from the enhanced high-speed WAN interface card (EHWIC), increasing port density and module capability. Up to three integrated NIM slots on the 4000 Series allow for flexible configurations. The NIMs support online insertion and removal (OIR), reducing the downtime required for new or replacement modules.}

^{The FXS, FXO, E/M, and BRI NIMs can be inserted into the NIM slot on the supported Cisco 4000 Series ISRs without powering off the router.}

^{The new generation of Cisco FXO/FXS NIMs add improvements over the previous WAN interface cards (VICs and VIC2s). The FXO, FXS, E/M, and BRI NIMs contain an onboard DSP and don’t require the router to have dedicated packet voice DSP module (PVDM) on the motherboard. The DSP on the voice module is necessary for the voice features. It also provides for echo cancellation of up to 128-ms echo-tail length for demanding network conditions.}

Table 1 Quick Spec.

Table 2 Cisco FXO and FXS NIM Types and Feature Comparison

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