Business Telecommunications (BTC). Ordinary and Special quality voice bandwidth 2-wire analogue leased lines (A2O and A2S). Attachment requirements for terminal equipment interface. - Télécommunications
€93.67
Business Telecommunications (BTC). Ordinary and Special quality voice bandwidth 4-wire analogue leased lines (A4O and A4S). Attachment requirements for terminal equipment interface. - Télécommunications
Télécommunications - Télécommunications d'affaires (BTC). Liaisons louées numériques à 2048 kbit/s structuré (D2048S) - Exigences pour le raccordement de l'interface du terminal.
Distribution automation using distribution line carrier systems. General considerations Guide to identification of data transmission parameters concerning medium and low-voltage mains
€269.00
Transmission and Multiplexing (TM) - Optical Distribution Network (ODN) for Optical Access Network (OAN); English version ETS 300681:1997
€84.58
Distribution automation using distribution line carrier systems. Data communication protocols Application protocols. message specification
€404.00
Distribution automation using distribution line carrier systems. General considerations Guide for specification
Transmission and Multiplexing (TM) - Generic frame structures for the transport of various signals (including Asynchronous Transfer Mode (ATM) cells and Synchronous Digital Hierarchy (SDH) elements) at the ITU-T Recommendation G.702 hierarchical rates of 2048 kbit/s, 34368 kbit/s and 139264 kbit/s; English version ETS 300337:1997
€63.27
Télécommunications - Télécommunications personnelles universelles (UPT). Dispositifs d'accès - Émetteur multifréquence bitonalité (DTMF) pour couplage acoustique au microphone d'un combiné téléphonique.
€65.33
Information technology. Telecommunications and information exchange between systems. Broadband private integrated services network. Inter-exchange signalling protocol. Signalling ATM adaptation layer
Information technology. Telecommunications and information exchange between systems. Broadband private integrated services network. Inter-exchange signalling protocol. Basic call/connection control
Transmission and Multiplexing (TM) - Physical layer User Network Interface (UNI) for 2048 kbit/s Asynchronous Transfer Mode (ATM) signals; English version ETS 300742:1997
€91.03
Distribution automation using distribution line carrier systems - Part 4: Data communication protocols; Section 1: Reference model of the communication system (IEC 61334-4-1:1996); German version EN 61334-4-1:1996
Distribution automation using distribution line carrier systems. General considerations Guide to system architecture
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Route restriction class additional network feature
€193.00
