GRAPHICAL SYMBOLS FOR DIAGRAMS. PART 9: TELECOMMUNICATIONS: SWITCHING AND PERIPHERAL EQUIPMENT.
€63.00
SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 kHz TO 148,5 kHz. PART 1: GENERAL REQUIREMENTS, FREQUENCY BANDS AND ELECTROMAGNETIC DISTURBANCES.
€54.00
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN) - Part 1: V5.1 interface specification; English version ETS 300324-1:1994
€229.44
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma; English version ETS 300324-2:1994
€84.58
Equipment engineering (EE) - European telecommunication standard for equipment practice - Part 2: Engineering requirements for racks and cabinets; English version ETS 300119-2:1994
€56.17
Equipment engineering (EE) - European telecommunication standard for equipment practice - Part 3: Engineering requirements for miscellaneous racks and cabinets; English version ETS 300119-3:1994
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Circuit mode basic services; English version ETS 300172:1994
€190.65
SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ. PART 1: GENERAL REQUIREMENTS, FREQUENCY BANDS AND ELECTROMAGNETIC DISTURBANCES.
€67.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators Specification ports
€404.00
Transmissions de signaux sur les réseaux électriques basse tension dans la bande de fréquence de 3kHz à 148,5 kHz - Partie 1 : règles générales, bande des fréquences et perturbations électromagnétiques
€53.50
Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators Specification general requirements
€316.00
Private branch exchanges for connection to the British Telecommunications public switched telephone network. Facilities on private Specification facilities with terminating stations treated as an entirety
€269.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators Specification private with terminating stations treated as an entirety
Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators. Simple call-routeing mode (SCRM) Specification the simple of PBX operation, with terminating stations treated as an entirety
€193.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators. Direct dialling in on private Specification direct with terminating stations treated as an entirety