BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 2-WIRE ANALOGUE LEASED LINES (A2O AND A2S). ATTACHMENT REQUIrements for terminal equipment interface.
€75.00
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE bandwidth 4-wire analogue leased lines (A4O and A4S). Attachment requirements for terminal equipment interface.
€76.00
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Circuit mode basic services [ISO/IEC 11572 (1994), modified]; English version ETS 300172:1995
€77.20
Réseau téléphonique public commuté - Exigence sur l'écoulement du trafic téléphonique des systèmes de commutation privés.
€74.00
High-level data link control (HDLC) procedures - ITU-T X.25 LAPB-compatible data link procedures for data terminal equipment; identical with ISO/IEC 7776:1995
€140.00
Data exchange for meter reading, tariff and load control - Direct local data exchange
€418.00
Electricity metering - Local and remote data exchange - Applications and performance
€286.00
Information technology. International standardized profile TAnnnn. Connection-mode transport service over connectionless-mode network General overview and subnetwork-independent requirements.
€269.00
Télécommunications - Télécommunications d'affaires (BT) - Prescriptions techniques pour la fourniture de réseaux ouverts (ONP) - Liaisons louées numériques à 2 048 kbit/s non structuré (D2048U) - Description de l'interface réseau
€84.50
Private Telecommunication Networks (PTN) - Terms and definitions; English version ETS 300415:1995
€56.17
Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) information model for the Network Element (NE) view; English version ETS 300304:1994
€128.22
High-level data link control (HDLC) procedures - CCITT X.25 LAPB-compatible data link procedures for data terminal equipment; identical with ISO/IEC DIS 7776:1993
Private Telecommunication Network (PTN); inter-exchange signalling protocol; diversion supplementary services; English version ETS 300257:1993
€98.32
Private Telecommunication Network (PTN); inter-exchange signalling protocol; path replacement additional network feature; English version ETS 300259:1993
Private Telecommunication Network (PTN); inter-exchange signalling protocol; call transfer supplementary service; English version ETS 300261:1993
