ROF1376302/11 Ericsson Ericsson AXE Telecom System Card

The Ericsson ROF1376302/11 is an LSU-E/11 (Line Switch Unit – Extended, variant 11) designed for use within Ericsson AXE digital telephone exchange systems. This board functions as part of the switching subsystem, handling line-side connections and facilitating the routing of voice traffic within the exchange infrastructure.

The LSU-E module is deployed within AXE10 and related switching platforms, which have been widely used by telecommunications operators for PSTN, mobile switching centres (MSC), and transit exchanges. These units are integral to the group switch subsystem (GSS) architecture, managing time-slot interchange and connection paths for subscriber lines.

The AXE platform, whilst a legacy system, remains operational in many carrier networks worldwide. Replacement boards such as the LSU-E/11 are essential for maintaining service continuity and supporting ongoing operations where full system migration has not yet occurred.

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