S30810-Q2191-C Siemens HiPath/Hicom PBX Expansion Card

The Siemens S30810-Q2191-C is an SLMAC (Subscriber Line Module Analogue with Codec) card designed for Siemens HiPath and Hicom PBX telephone systems. This module provides analogue subscriber line interfaces, enabling the connection of analogue telephones, fax machines, and modems to the digital switching infrastructure.

The SLMAC card is typically deployed within enterprise PBX environments where analogue endpoints must be integrated alongside digital and IP telephony services. It handles the necessary analogue-to-digital conversion and signalling functions required for seamless communication across the system.

This is a legacy component from the Siemens HiPath/Hicom product range, which has since transitioned under Unify (now part of Atos). Despite being discontinued, these modules remain in demand for maintaining and extending existing installations where replacement of the entire system is not practical or cost-effective.

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