This standard specifies the terms and definitions, classification and naming, requirements, test methods, inspection rules, marking, and packaging of power distribution cabinets (hereinafter referred to as distribution cabinets) and power distribution units (hereinafter referred to as power distribution units) for transmission equipment. , transportation and storage. This standard applies to power distribution cabinets and power distribution units used in conjunction with transmission equipment. Power distribution cabinets and power distribution units used in conjunction with other equipment can also be used with reference.
YD/T 939-2014 Referenced Document
GB 4943.1-2011 Information technology equipment.Safety.Part 1:General requirements
GB/T 18380.1-2001 Tests on electric cables under fire conditions Part 1: Test on a single vertical insulated wire or cable
GB/T 2408-2008 Plastics.Determination of burning characteristics.Horizontal and vertical test
GB/T 2423.1-2008 Environmental testing for electric and electronic products.Part 2:Test methods.Tests A:Cold
GB/T 2423.2-2008 Environmental testing for electric and electronic products.Part 2:Test methods.Tests B:Dry heat
GB/T 2423.9-2001 Environmental testing for electric and electronic products Part 2: Test methods Test Cb: Damp heat,steady state,primarily for equipment
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 3873-1983 General specifications for products packaging of communication equipments
GB/T 9286-1998 Paints and varnishes--Cross cut test for films
YD/T 1363.1 Communications bureau (station) power supply, air conditioning and environment centralized monitoring and management system Part 1: System technical requirements*， 2023-12-20 Update
YD/T 1363.2 Specification of supervision system for power, air conditioner and environment.Part 2: intercommunicate protocol
YD/T 1363.3 Communications bureau (station) power supply, air conditioning and environment centralized monitoring and management system Part 3: Front-end intelligent equipment protocol*， 2023-12-20 Update
YD/T 1363.4 Specification of supervision system for power, air conditioner and environment.Part 4: Test method
YD/T 1363.5 Specification of supervision system for power, air conditioner and environment.Part 5:Access control and control supervision system
YD/T 1363.6 Communications Bureau (station) power supply, air conditioning and environment centralized monitoring and management system Part 6: Image centralized monitoring system*， 2015-05-05 Update
YD/T 282-2000 General reliability test methods for communication equipment
YD/T 585-2010 Distribution equipment for telecommunications
YD/T 638.3-1998 The naming rule of types of telecommunication power supply
YD/T 939-2014 history
2014YD/T 939-2014 Power distribution cabinet for transmission equipment
2005YD/T 939-2005 Power distributing file cabinet for transfer equipment
1997YD/T 939-1997 DC power distribution cabinet for transmission equipment