Marconi Ericsson 1HAT60917AAG Marconi/Ericsson SMA/OMS/MSH86 SDH transmission systems Optical Transmission Module

The Marconi Ericsson 1HAT60917AAG is a VCAM card extender, types I and II, for the SMA-4/16C and SMA-4/16C+ multiplexer variants. A card extender is a service tool that plugs between a shelf’s backplane slot and a live VCAM card, letting an engineer pull the card partway out and still keep it powered and connected for fault-finding or monitoring, rather than a traffic-carrying part in its own right. The SMA-4/16C and 16C+ are enhanced-capacity revisions of the SMA-4/16 platform covered elsewhere in this listing, sharing the same VCAM optical aggregate card family. Because it is a maintenance tool rather than a production spare, this is typically stocked in smaller numbers by field engineering teams rather than fitted permanently in a shelf. SMA equipment, inherited via GPT and Plessey before passing from Marconi to Ericsson in 2006, remains in service on UK transmission networks. Confirm compatibility with your exact SMA-4/16C/16C+ shelf issue before ordering. Tech-Star (UK-based, shipped worldwide) stocks Marconi Ericsson SMA components to support ongoing network maintenance projects.