ROF1375349/11 Ericsson Ericsson AXE System Module

The Ericsson ROF1375349/11 is a TLU 79/11 (Timing and Logic Unit) module designed for use within Ericsson AXE digital switching systems. This unit provides essential timing, synchronisation and clock distribution functions that are critical for maintaining accurate call processing and network coordination within the exchange.

The TLU 79/11 forms part of the central processor subsystem in AXE-based telecommunications infrastructure, ensuring precise timing signals are distributed across the switching fabric. It plays a fundamental role in maintaining system stability and synchronisation with external network timing references.

This is a legacy component from Ericsson’s AXE platform, which has been widely deployed in public switched telephone networks globally. Whilst the AXE architecture is now considered mature technology, many networks continue to operate these systems, creating ongoing demand for replacement and spare modules.

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