33.040.20: Transmission systems pathways and multiplexing

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  1. UNE 135701-1:2004 EX▹

    Road traffic signal equipment. Emergency roadside telephones. Part 1: General requirements.

    standard by UNE, 07/09/2004.

    Languages:

    • 👥MULTI-USER

  2. UNE 135701-2:2006▹

    Road traffic signal equipment. Emergency roadside telephones. Part 2: Elements, functions and technical characteristics.

    standard by UNE, 09/20/2006.

    Languages:

    • 👥MULTI-USER

  3. UNE 135701-4:2007▹

    Road traffic signal equipment. Emergency roadside telephones. Part 4: Transmission by optical fiber. Functional specifications and technical characteristics.

    standard by UNE, 06/27/2007.

    Languages:

    • 👥MULTI-USER

  4. UNE-ES 201671 V3.1.1:2009▹

    Lawful Interception (LI); Handover interface for the lawful interception of telecommunications traffic

    standard by UNE-ES, 04/08/2009.

    Languages:

    • 👥MULTI-USER

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  5. UNE 20556:1975▹

    COUPLING DEVICES FOR POWER LINE CARRIER SYSTEMS

    standard by UNE, 10/15/1975.

    Languages:

    • 👥MULTI-USER

  6. UNE 20671:1983▹

    PLANNING OF (SINGLE-SIDEBAND) POWER LINE CARRIER SYSTEMS

    standard by UNE, 10/15/1983.

    Languages:

    • 👥MULTI-USER

  7. UNE-ETS 300002:1993▹

    PUBLIC SWITCHED TELEPHONE NETWORK (PSTN). CATEGORY II ATTACHMENT REQUIREMENTS FOR 9600 OR 4800 BITS PER SECOND DUPLEX MODEMS STANDARDISED FOR USE ON THE PSTN.

    standard by UNE-ETS, 10/07/1993.

    Languages:

    • 👥MULTI-USER

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  8. UNE-ETS 300114:1993▹

    ATTACHMENTS TO THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN). BASIC ATTACHMENT REQUIREMENTS FOR MODEMS STANDARDIZED FOR USE ON THE PSTN.

    standard by UNE-ETS, 07/09/1993.

    Languages:

    • 👥MULTI-USER

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  9. UNE-ETS 300115:1993▹

    ATTACHMENTS TO THE PUBLIC SWITCHED TELEPHONE NETWOR, (PSTN). CATEGORY II ATTACHMENT REQUIREMENTS FOR 300 BITS PER SECOND DUPLEX MODEMS STANDARDISED FOR USE ON THE PSTN.

    standard by UNE-ETS, 07/15/1993.

    Languages:

    • 👥MULTI-USER

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  10. UNE-ETS 300116:1993▹

    ATTACHMENTS TO THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN). CATEGORY II ATTACHMENT REQUIREMENTS FOR 1200 BITS PER SECOND DUPLEX MODEMS STANDARDIZED FOR USE ON THE PSTN.

    standard by UNE-ETS, 07/15/1993.

    Languages:

    • 👥MULTI-USER

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