Integrated Services Digital Network (ISDN) - Supplementary service interactions - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Edition 2001-05-01

Integrated Services Digital Network (ISDN) - Supplementary service interactions - Digital Subscriber Signalling System No one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user
Edition 2001-05-01

Integrated Services Digital Network (ISDN) - Supplementary service interactions - Digital Subscriber Signalling System No one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user
Edition 2001-05-01

Integrated Services Digital Network (ISDN) - Supplementary service interactions - Digital Subscriber Signalling System No one (DSS1) protocol - Part 5: Test Suite Structure and Test Purpose (TSS&TP) specification for the network
Edition 2001-05-01

Integrated Services Digital Network (ISDN) - Supplementary service interactions - Digital Subscriber Signalling System No one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network
Edition 2001-05-01

Electricity metering equipment - Part 3: Particular requirements - Static meters for AC active energy (class indexes A, B and C); German version EN 50470-3:2022
Edition 2023-05

Alternating current static watt-hour meters for active energy (classes 1 and 2)
Edition 1997-04-16

Assemblies for Construction Sites (ACS); incoming supply and metering ACS 400 V, 630 A; secondary metering
Edition 1992-07

Assemblies for Construction Sites (ACS); incoming supply and metering ACS 400 V, 100 A, 250 A and 400 A; secondary metering
Edition 1992-07

Assemblies for Construction Sites (ACS); incoming supply and metering ACS 400 V; direct metering up to 100 A
Edition 1992-07