Monthly Archives: June 2018

Nokia, Marconi and Ericsson SDH – ‘Synfonet’, ‘SMA’ and ‘OMS’

SDH Network

‘Legacy’ Networks; long history, but still important and operational! Back in the day, when PDH (Plesiochronous Digital Hierarchy) was all there was for telecommunications optical and copper transmission, a familiar site was the ‘Multiplexer Mountain’. Then came the new transport

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