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NR - TPWS/TGN/009 ISSUE 1 - POWER SUPPLIES TO TPWS AT SIGNALS CONTROLLED FROM MECHANICAL SIGNAL BOXES Organization: NR
Date: 2001-04-06
Description: It has been established that where existing supplies are not suitable for use, power distributed to signals from a centrally located Uninterruptible Power Supply (UPS) is the preferred solution for signals close to the controlling signal box. For signals located at significant distances from the controlling signal box, an alternative solution in the form of a DC Signalling Interface Module (SIM) supplied by local batteries is available.
MCGRAW - BIG BOOK OF MAKERSPACE PR - BIG BOOK OF MAKERSPACE PROJECTS: INSPIRING MAKERS TO EXPERIMENT, CREATE, AND LEARN Organization: MCGRAW
Date: 2017-01-01
Description: Discover how to create: • Brushbot warriors, scribble machines, and balloon hovercrafts • Smartphone illusions, holograms, and projections • Paper circuits, origami, greeting cards, and pop-ups • Dodgeball, mazes, and other interesting Scratch games • PVC organs, box guitars, and percussion instruments • Sewed LED bracelets, art cuffs, and Arduino plushies • Makey Makey and littleBits gadgets • Programs for plug-and-play and Bluetooth-enabled robots • 3D design and printing projects and enhancements Author: Colleen Graves, Aaron Graves
ITU-T L.1203 - COLOUR AND MARKING IDENTIFICATION OF UP TO 400 VDC POWER DISTRIBUTION FOR INFORMATION AND COMMUNICATION TECHNOLOGY SYSTEMS - STUDY GROUP 5 Organization: ITU-T
Date: 2016-02-01
Description: This applies to 400 VDC cabling for telecom, ICT equipment and environment equipment using interface defined in [b-EN 300 132-3-1] or [ITU-T L.1200] and avoids confusion between the DC colour and marking of up to 400 VDC distribution and the other power interfaces identification: −48 VDC distribution for A interface, AC and uninterrupted AC given by inverters or UPS used in the building. The Recommendation defines: – requirements for the colour and identification of separate wires used in DC distribution systems and installations and as much as possible inside equipment between A or P interface and end use; – marking and identification of DC multiwire cables, connectors and any associated equipment for DC power distribution; – marking identification for sub-distribution boards and interconnection boxes.
ETSI - ES 203 408 - ENVIRONMENTAL ENGINEERING (EE); COLOUR AND MARKING OF DC CABLE AND CONNECTING DEVICES - V1.1.1 Organization: ETSI
Date: 2016-12-01
Description: This applies to 400VDC cabling for Telecom, ICT equipment and environment equipment using interface defined in ETSI EN 300 132-3-1 [8] or Recommendation ITU-T L.1200 [2] and avoids confusion between the DC colour and marking of up to 400VDC distribution and the other power interfaces identification: -48VDC distribution for A interface, AC and uninterrupted AC given by inverters or UPS used in the building. The Recommendation defines: • requirements for the colour and identification of separate wires used in DC distribution systems and installations, and as much as possible inside equipment between A or P interface and end use; • marking and identification of DC multiwire cables, connectors and any associated equipment for DC power distribution; • marking identification for sui-distribution boards and interconnection boxes.
DS/CEN/TS 14773 - POSTAL SERVICES - QUALITY OF SERVICE - MEASUREMENT OF LOSS AND SUBSTANTIAL DELAY IN PRIORITY AND FIRST CLASS SINGLE PIECE MAIL USING A SURVEY OF TEST LETTERS Organization: DS
Date: 2007-01-30
Description: This document relates to the measurement of the so called "normal" services given to private persons/ households and businesses that post mail at street letter boxes, over the counter at post offices,have pick ups at their offices or give their mail directly at postal service operators' sorting centres.
PACKT - METEOR DESIGN PATTERNS - METEOR DESIGN PATTERNS Organization: PACKT
Date: 2015-10-21
Description: At the same time, it gives them the tools and flexibility to build a fully fledged production app. Meteor is the weapon of choice for start-ups in today’s world. Meteor Design Patterns cuts through the jargon that most websites play with and gets to the point with simple solutions that will boost your development skills.

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