891001 NEC UNIVERGE SV8100 PBX Expansion Card

The NEC 891001 IP1WW-EXIFU-A1 is an External Interface Unit (EXIFU) card designed for NEC UNIVERGE SV8100 digital business communication systems. This expansion card provides external system interface connectivity, enabling integration with peripheral devices and external equipment.

The EXIFU card is installed within the SV8100 chassis to extend the system’s connectivity capabilities. It serves as an interface point for connecting external units and ancillary devices to the main telephone system, supporting the modular architecture of the UNIVERGE platform.

The NEC SV8100 is a legacy unified communications platform that was widely deployed in small to medium enterprise environments. While this system has been superseded by newer NEC solutions, many installations remain in active service requiring ongoing maintenance and expansion components.

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