3EH73061AC ALCATEL OmniPCX Office PBX Expansion Card

The Alcatel 3EH73061AC is a MIX 4/8/4-1 hybrid interface card designed for the Alcatel OmniPCX Office communication platform. This multi-function board provides a combination of analogue trunk lines, analogue extensions, and digital extensions on a single card, enabling flexible connectivity options for small to medium business telephony deployments.

The MIX 4/8/4-1 designation indicates the card supports 4 analogue trunk interfaces, 8 analogue extension ports, and 4 digital extension ports, along with an additional interface channel. This configuration allows businesses to connect to the PSTN whilst simultaneously supporting a mix of analogue and digital handsets, making it ideal for organisations transitioning between telephony technologies or requiring diverse endpoint support.

The Alcatel OmniPCX Office platform is a legacy unified communications system that was widely deployed across European businesses. Whilst the platform has been superseded by newer Alcatel-Lucent Enterprise solutions, many installations remain in active service, and replacement cards such as this MIX board are essential for maintaining system capacity and functionality.

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