ROF1375373/11 Ericsson Ericsson AXE Telecom System Card

The Ericsson ROF1375373/11 is an ALU2/11 (Alarm Unit 2) module designed for use within Ericsson AXE digital telephone exchange systems. This board provides centralised alarm handling and monitoring functions, collecting and processing fault indications from various subsystems within the exchange infrastructure.

The ALU2 module forms part of the Operations and Maintenance (O&M) subsystem in AXE platforms, enabling operators to monitor system health, detect hardware failures, and trigger appropriate alerts. It interfaces with the Regional Processor (RP) and other exchange modules to provide comprehensive fault management capabilities.

This is a legacy product associated with Ericsson’s AXE family of circuit-switched telephone exchanges, which have been widely deployed by telecommunications operators globally. Whilst these systems are mature technology, many remain in active service and require ongoing maintenance and spare parts support.

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