Private Telecommunication Network (PTN); Inter-exchange signalling protocol; Data link layer protocol

NEPLATNÁ vydaná dňa 18.12.1992

Transmission and Multiplexing (TM); Single-mode optical fibre cables to be used in ducts and for directly buried application

NEPLATNÁ vydaná dňa 17.6.1993

Transmission and Multiplexing (TM); ITU-T Recommendation G.652-type single-mode optical fibre

NEPLATNÁ vydaná dňa 17.6.1993

Transmission and Multiplexing (TM); ITU-T Recommendation G.653-type dispersion shifted single-mode optical fibre

NEPLATNÁ vydaná dňa 17.6.1993

Transmission and Multiplexing (TM); Single-mode optical fibre cables to be used for aerial application

NEPLATNÁ vydaná dňa 17.6.1993

Business Telecommunications (BT); Open Network Provision (ONP) technical requirements; 2 048 kbit/s digital unstructured leased line (D2048U) Network interface presentation

NEPLATNÁ vydaná dňa 18.10.1993

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1); Protocol Implementation Conformance Statement (PICS) proforma specification for data link layer protocol for general application (basic access, user)

NEPLATNÁ vydaná dňa 15.12.1994

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1); Protocol Implementation Conformance Statement (PICS) proforma specification for data link layer protocol for general application (primary rate access, user)

NEPLATNÁ vydaná dňa 15.12.1994

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1); Protocol Implementation Conformance Statement (PICS) proforma specification for data link layer protocol for general application (basic access, network)

NEPLATNÁ vydaná dňa 15.12.1994

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1); Protocol Implementation Conformance Statement (PICS) proforma specification for data link layer protocol for general application (primary rate access, network)

NEPLATNÁ vydaná dňa 15.12.1994