Public switched telecommunication network. Particular requirements in private switching systems. - Télécommunications
€80.00
Public switched telephone network. Analogue network interface for private switching systems. - Télécommunications
€64.00
Public switched telephone network. Digital attachment of a private time division switch to a public network switch. - Télécommunications
€125.67
Private switchning systems. Principles of private switchning systems test approval by internal interfaces stimulation. - Télécommunication
Public switched telephone network. Technical specification for type approval of direct dialling in private switching systems with mf socotel signalling. - Télécommunications
€89.33
Public switched telephone network. Transmission characteristics for private telephone switching systems. - Télécommunications
Type approval specification for private switching systems. - Télécommunication
€196.00
Safety aspects for xDSL signals on circuits connected to telecommunication networks (DSL : Digital Subscriber Line)
€68.50
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
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 2-3 : Immunity requirements for mains communicating equipment operating in the range of frequencies 3 kHz to 95 kHz and intended for use by electricity supp - Transmission de signaux sur les réseaux électriques basse tension dans la bande de fréquences de 3 kHz à 148,5 kHz - Partie 2-3 : Exigences d'immunité pour les appareils de communication par le réseau électrique dans la bande de fréquences de 3 kHz à 95 kHz et destinés à être utilisés par les
€123.00
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-2 : Low-voltage decoupling filters - Safety requirements
€103.00
Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-1 : Low voltage decoupling filters - Generic specification
