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IEC 60793-2-10 - Optical fibres – Part 2-10: Product specifications – Sectional specification for category A1 multimode fibres
August 1, 2017 - IEC

This part of IEC 60793 is applicable to optical fibre sub-categories A1a, A1b, and A1d. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables. Sub-category A1a applies to 50/125 μm graded index fibre. Four bandwidth grades are defined as...

IEC 61000-3-11 - Electromagnetic compatibility (EMC) – Part 3-11: Limits – Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems – Equipment with rated current ≤75 A and subject to conditional connection
April 1, 2017 - IEC

This part of IEC 61000 is concerned with the emission of voltage changes, voltage fluctuations and flicker produced by equipment and impressed on the public low-voltage supply system. It specifies the limits of voltage changes produced by equipment tested under specified conditions....

IEC 61000-3-11 REDLINE - Electromagnetic compatibility (EMC) – Part 3-11: Limits – Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems – Equipment with rated current ≤75 A and subject to conditional connection
April 1, 2017 - IEC

This part of IEC 61000 is concerned with the emission of voltage changes, voltage fluctuations and flicker produced by equipment and impressed on the public low-voltage supply system. It specifies the limits of voltage changes produced by equipment tested under specified conditions....

TIA-470.120 - Telecommunications Telephone Terminal Equipment Transmission Requirements for Analog Speakerphones
June 19, 2017 - TIA

This standard provides acoustic transmission performance requirements for speakerphone equipped analog telephones intended for connection to the Public Switched Telephone Network (PSTN), analog terminal adaptors (ATA) and voice gateways. These requirements should ensure compatibility and...

UL 498B OUTLINE - UL Outline of Investigation for Receptacles with Integral Switching Means
August 9, 2017 - UL

These requirements cover a receptacle with integral switching means rated 600 V or less, used in ordinary dry locations and intended for connection to a branch circuit in accordance with the National Electrical Code, NFPA 70. A receptacle with integral switching means covered by this Outline shall...

TIA-102.BAAA - Project 25 FDMA- Common Air Interface
June 19, 2017 - TIA

The TIA-102 Documentation Suite covers all of the parts of a system for public safety land mobile radio communications. These systems have subscriber units (which include portable radios for hand held operation and mobile radios for vehicular operation), fixed stations (for fixed...

ANSI C137.3 - Lighting Systems - Minimum Requirements for Installation of Energy Efficient Power over Ethernet (PoE) Lighting Systems
January 1, 2017 - NEMA

This standard specifies the minimum requirements for installation of Power over Ethernet (PoE) lighting systems to ensure minimal energy losses. A typical PoE lighting system uses standardized ethernet twisted pair cable (e.g. category 5e cable) to connect powered devices (PDs), such as...

BICSI ITSIMM - Information Technology Systems Installation Methods Manual (ITSIMM)
January 1, 2017 - BICSI

Introduction This chapter discusses the transmission of information over various physical media. It also identifies the impact that information and communications technology (ICT) systems cabling installation methods have on the transmission of information. In the context of this manual,...

IEC 61010-2-201 REDLINE - Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 2-201: Particular requirements for control equipment
March 1, 2017 - IEC

This clause of Part 1 is applicable, except as follows. Equipment included in scope Replacement: • This part of IEC 61010 specifies safety requirements and related verification tests for any product performing the function of control equipment and/or their associated peripherals. In...

DIN EN 16450 - Ambient air - Automated measuring systems for the measurement of the concentration of particulate matter (PM10; PM2,5)
July 1, 2017 - DIN

In order to be in compliance with EU Air Quality Directive requirements, the reference methods given in the Directive 2008/50/EC [1] for the measurement of mass concentrations of particulate matter are not commonly used for operation in routine monitoring networks. These networks...

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