Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 4-2: Timing characteristics of slave clocks suitable for synchronization supply to Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) equipment; Implementation Conformance Statement( ICS) proforma specification (Endorsement of the English version EN 300462-4-2 V 1.1.1 (1999-12) as German standard)
Edition 2000-10

Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 7-1: Timing characteristics of slave clocks suitable for synchronization supply to equipment in local node applications (Endorsement of the English version EN 300462-7-1 V 1.1.2 (2001-06) as German Standard)
Edition 2003-01

Transmission and Multiplexing (TM) - Generic requirements of transport functionality of equipment - Part 6-1: Synchronization layer functions (Endorsement of the English version EN 300417-6-1 V 1.1.3 (1999-05) as German Standard)
Edition 2000-06

Transmission and Multiplexing (TM) - Generic requirements of transport functionality of equipment - Part 6-2: Synchronization layer functions; Implementation Conformance Statement (ICS) proforma specification (Endorsement of the English version EN 300417-6-2 V 1.1.1 (2000-09) as German standard)
Edition 2001-04

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Private Integrated Network eXchange (PINX) clock synchronization (ISO/IEC 15507 (1997), modified) (Endorsement of the English version EN 301259 V 1.1.1 (1998-10) as German standard)
Edition 2000-03

Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 6-1: Timing characteristics of primary reference clocks (Endorsement of the English version EN 300462-6-1 V 1.1.1 (1998-05) as German standard)
Edition 2000-06

Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 5-1: Timing characteristics of slave clocks suitable for operation in Synchronous Digital Hierarchy (SDH) equipment (Endorsement of the English version EN 300462-5-1 V 1.1.2 (1998-05) as German standard)
Edition 2000-07

Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 6-2: Timing characteristics of primary reference clocks; Implementation Conformance Statement (ICS) proforma specification (Endorsement of the English version EN 300462-6-2 V 1.1.1 (2000-03) as German Standard)
Edition 2001-12