S30810-Q2915-X-13 Siemens HiPath 3000/4000 PBX Expansion Card

The Siemens S30810-Q2915-X-13 is a TMS2 (Trunk Module Subscriber) card designed for use in Siemens HiPath and Hicom private branch exchange systems. This module provides trunk line connectivity, enabling the PBX to interface with external telephone network services.

The TMS2 module is typically deployed in enterprise telephony environments where Siemens HiPath 3000 or 4000 series systems manage voice communications. It facilitates the connection of analogue trunk lines to the digital switching fabric of the PBX.

This is a legacy component from the Siemens telecommunications portfolio, which was subsequently acquired by Unify. While these systems are no longer in active production, they remain operational in many established enterprise installations requiring ongoing maintenance and expansion support.

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