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    • Switching and signalling systems
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    DS EN 50065-7 : 2002

    SIGNALING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ - PART 7: EQUIPMENT IMPEDANCE

    Danish Standards

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    DS EN 300347-1 : 2000

    V INTERFACES AT THE DIGITAL LOCAL EXCHANGE (LE) - V5.2 INTERFACE FOR THE SUPPORT OF ACCESS NETWORK (AN) - PART 1: V5.2 INTERFACE SPECIFICATION

    Danish Standards

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    DS EN 50065-4-7 : 2005 COR 2007

    SIGNALING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ AND 1,6 MHZ TO 30 MHZ - PART 4-7: PORTABLE LOW VOLTAGE DECOUPLING FILTERS - SAFETY REQUIREMENTS

    Danish Standards

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    DS EN 300324-1 : 2000

    V INTERFACES AT THE DIGITAL LOCAL EXCHANGE (LE) - V5.1 INTERFACE FOR THE SUPPORT OF ACCESS NETWORK (AN) - PART 1: V5.1 INTERFACE SPECIFICATION

    Danish Standards

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    DS ETS 300347-7 : 1999

    V INTERFACES AT THE DIGITAL LOCAL EXCHANGE (LE) - V5.2 INTERFACE FOR THE SUPPORT OF ACCESS NETWORK (AN) - PART 7: TEST SUITE STRUCTURE AND TEST PURPOSES (TSS&TP) SPECIFICATION FOR THE DATA LINK LAYER

    Danish Standards

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    DS EN 300347-6 : 2001

    V INTERFACES AT THE DIGITAL LOCAL EXCHANGE (LE) - V5.2 INTERFACE FOR THE SUPPORT OF ACCESS NETWORK (AN) - PART 6: ABSTRACT TEST SUITE (ATS) AND PARTIAL PROTOCOL IMPLEMENTATION EXTRA INFORMATION FOR TESTING (PIXIT) PROFORMA SPECIFICATION FOR THE NETWORK LAYER (LE SIDE)

    Danish Standards

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    BS EN 50065-4-1 : 2002

    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

    British Standards Institution

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    BS EN 50065-4-2 : 2002

    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

    British Standards Institution

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    BS EN 61643-21 : 2001

    LOW VOLTAGE SURGE PROTECTIVE DEVICES - PART 21: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - PERFORMANCE REQUIREMENTS AND TESTING METHODS

    British Standards Institution

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    BS EN 50065-7 : 2001

    SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATION IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ - PART 7: EQUIPMENT IMPEDANCE

    British Standards Institution

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