DS EN 300417-3-2:2005 Transmission And Multiplexing (Tm) - Generic Requirements Of Transport Functionality Of Equipment - Part 3-2: Synchronous Transport Module-N (Stm-N) Regenerator And Multiplex Section Layer Functions Implementation Conformance Statement (Ics) Proforma Specification Covers the Implementation Conformance Statement (ICS) proforma specification for the Synchronous Transport Module-1 (STM-1), STM-4 and STM-16 regenerator section and multiplex section layer functions