TSR491406/1850 Ericsson Ericsson AXE Telecom Module

The Ericsson TSR491406/1850 is an MX interface cable designed to connect the LSU-E (Line Switch Unit – Enhanced) to the DSU/14 (Distribution Switch Unit) within Ericsson telecommunications infrastructure. This cable provides the essential physical interconnection required for signal transmission between these switching units.

This cable is used within Ericsson AXE digital switching systems, where the LSU-E handles subscriber line interfaces and the DSU manages traffic distribution across the switching network. The MX designation indicates a specific multiplexed interface standard used in these legacy platforms.

The TSR491406/1850 is a legacy component from Ericsson’s traditional fixed-line switching portfolio. While these AXE-based systems have been superseded by newer softswitch and IP-based architectures, many installations remain operational worldwide, requiring ongoing maintenance and spare parts support.

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