Marconi 130-3492/13 is a Common Part Unit (CPU/Control & Switching card) used in the Marconi MSH (Synchronous Digital Hierarchy – SDH) transmission platform. It is part of the MOST (Marconi Optical Switching Transport) system architecture and provides core system functions such as multiplexing, switching, and control within the MSH11/MSH51 carrier-grade telecom systems.

? KEY FEATURES

Common Part Unit (central system control card)
Designed for Marconi MSH11 / MSH51 SDH platforms
Supports MOST (Marconi Optical Switching Transport) architecture
Handles multiplexing, switching, and control functions
Telecom-grade reliability for carrier environments
Installed in subrack-based transmission systems

⚙️ TECHNICAL SPECIFICATIONS

? Platform Compatibility

System: Marconi MSH Series (MSH11C / MSH51C / MSH11CP)
Technology: SDH (Synchronous Digital Hierarchy)
Function: Common Part / Control / Switching Unit

➡️ Identified as:

“MOST Type 2S sub-unit” for MSH systems

? Functional Role

Core system processing and switching
Multiplexing of SDH traffic streams
Control-plane operations for transmission node
Integration with tributary and optical interface units

➡️ Classified as Common Part T2S unit for MSH platform

? Module Type

Plug-in telecom card (subrack module)
Installed in Marconi transmission chassis
Works alongside:
- STM interface cards
- Tributary units
- Cross-connect modules