Public switched telephone network. Technical specification for type approval of direct dialling in private switching systems with mf socotel signalling. - Télécommunications
€93.67
Public switched telephone network. Transmission characteristics for private telephone switching systems. - Télécommunications
€141.33
Type approval specification for private switching systems. - Télécommunication
€200.67
Safety aspects for xDSL signals on circuits connected to telecommunication networks (DSL : Digital Subscriber Line)
€74.00
Telecommunications - Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Inter-exchange signalling protocol - Cordless terminal outgoing call additional network feature (ANF-CTMO) for the VPN b service entry point - Part 1 : test Suite Structure and Test purposes (TSS&TP) specification (V1.1.4) - Télécommunications
€64.01
Telecommunications - Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call completion supplementary service for the VPN b service entry point - Part 1 : test Suite Structure and Test Purposes (TSS&TP) specification (V1.1.4) - Télécommunications
€84.02
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 7 : equipment impedance
€85.42
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 2-1 : immunity requirements for mains communications equipment and systems operating in the range of frequencies 95 kHz to 148,5 kHz and intended for use in residential, commercial and light industrial environments
€85.00
Broadband integrated services digital network (B-ISDN) and Broadband private integrated services network (B-PISN) - Digital subscriber signalling system No. two (DSS2) and Broadband inter-exchange signalling (B-QSIG) and Signalling system No.7 (SS7) - Prenegotiation - Part 4 : abstract test suite (ATS) and partial protocol implementation extra information for testing (PIXIT) proforma specification (V1.1.1) - Réseau numérique à intégration de services large bande (RNIS-LB) et Réseau privé à intégration de services large bande (RPIS-LB) - Protocoles du système de signalisation n° 2 d'abonné numérique (DSS2) et système de signalisation n° 7 (SS7) - Prénégociation - Partie 4 : spécifications de la suite de
Broadband integrated services digital network (B-ISDN) and Broadband private integrated services network (B-PISN) - Digital subscriber signalling system No. two (DSS2) and Broadband QSIG (B-QSIG) protocol - Call control specification in a separated call and bearer control environment - Part 4 : abstract test suite (ATS) and partial protocol implementation extra information for testing (PIXIT) proforma specification (V1.1.1) - Réseau numérique à intégration de services large bande (RNIS-LB) et Réseau privé à intégration de services large bande (RPIS-LB) - Protocoles du système de signalisation n° 2 d'abonné numérique (DSS2) et de signalisation large bande inter-centraux (QSIG-LB) - Spécification de la commande d'appel
€73.30
€59.33
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 2-2 : immunity requirements for mains communications equipment and systems operating in the range of frequencies 95 kHz to 148,5 kHz and intended for use in industrial environments
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz and 1,6 MHz to 30 MHz - Part 4-2 : Low voltage decoupling filters - Safety requirements
€34.00
Distribution automation using distribution line carrier systems. Part 3 : mains signalling requirements. Section 21 : mv phase-to-phase isolated capacitive coupling device.
€95.67
Integrated Services Digital Network (ISDN) - Subaddressing (SUB) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 3 : Test Suite Structure and Test Purposes (TSS and TP) specification for the user - Télécommunications
