Cable trunking. Steel underfloor (duct) trunking
Edition 1973-10-15

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Path replacement additional network feature (V1.3.1)
Edition 2003-12-01

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Path replacement additional network feature
Edition 2003-04

Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Path replacement additional network feature
Edition 1998-12

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

Broadband Integrated Services Digital Network (B-ISDN) - Broadband Virtual Path Service (BVPS) - Part 1: BVPS for Permanent communications (BVPS-P); English version ETS 300455-1:1995
Edition 1996-02

Broadband Integrated Services Digital Network (B-ISDN) - Broadband Virtual Path Service (BVPS) - Part 2: BVPS for Reserved communications (BVPS-R); English version ETS 300455-2:1995
Edition 1996-02

Transmission and Multiplexing (TM) - Generic requirements of transport functionality of equipment - Part 4-2: Synchronous Digital Hierarchy (SDH) path layer functions; Implementation Conformance Statement (ICS) proforma specification (Endorsement of the English version EN 300417-4-2 V 1.1.1 (1999-06) as German Standard)
Edition 2000-10

Transmission and Multiplexing (TM) - Generic requirements of transport functionality of equipment - Part 5-2: Plesiochronous Digital Hierarchy (PDH) path layer functions; Implementation Conformance Statement (ICS) proforma specification (Endorsement of the English version EN 300417-5-2 V 1.1.1 (1999-08) as German Standard)
Edition 2000-10

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