ROA1195135/1 Ericsson AXE System Module

The Ericsson ROA1195135/1 is a PUB 7 backplane, designated BP 250, designed to provide physical interconnection between processor and peripheral boards within Ericsson telecommunications switching equipment. The backplane serves as the central wiring infrastructure, enabling data and power distribution across multiple circuit boards installed in the magazine or subrack.

This backplane is a core component of the Ericsson AXE digital switching platform, which has been deployed extensively in public telecommunications networks for fixed-line and mobile applications. The PUB 7 designation indicates its use within the processor unit bus architecture, supporting the high-speed communication requirements between system modules.

The AXE platform is a legacy system that has been widely deployed since the 1970s and remains operational in many networks worldwide, though Ericsson has transitioned to newer architectures. This backplane is essential for maintaining and expanding existing AXE installations where replacement or additional capacity is required.

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