This standard specifies the definition, classification, specifications, requirements, test methods, inspection rules and markings, packaging, transportation, storage, etc. of AC power distribution units used inside communication equipment cabinets. This standard applies to power distribution units (PDUs) for communication equipment in substations 2 Normative References: The clauses in the following documents become the clauses of this standard through reference in this standard. For dated references, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, it is encouraged for all parties who have reached agreements based on this standard to investigate whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 191 Packaging, Storage and Transportation Pictorial Symbols GB 1002 Single phase Plug and Socket Types for Household and Similar Purposes Basic parameters and dimensions GB 2099.1-2008 Plugs and socket-outlets for household and similar purposes - Part 1: General requirements GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (applicable to the inspection of process stability) GB/T 3873-1983 General Technical Conditions for Packaging of Communication Equipment Products GB 5169.10-2006 Fire Hazard Testing for Electrical and Electronic Products - Part 10: Glow Wire/Hot Wire Basic Test Method - Glow Wire Device and General Test Method GB 5169.11-2006 Fire Hazard Testing for Electrical and Electronic Products - Part 11: Glow Wire/Hot Wire Basic Test Method - Glow Wire Flammability Test Method for Finished Products GB 11918 Industrial Plugs, Sockets, and Couplers - Part 1: General Requirements GB 1 4536.1-2008 Automatic Electrical Controllers for Household and Similar Purposes Part 1: General Requirements GB/T 16842-2008 Test Fixtures for Testing the Protection of Enclosures against Persons and Equipment GB/T 16895.15-2002 Electrical Installations in Buildings Part 5: Selection and Installation of Electrical Equipment Section 523; Cabling systems - Current carrying capacity GB 17465.1 Appliance couplers for household and similar purposes - Part 1: General requirements GB 17465.2 Appliance couplers for household and similar purposes - Part 2: Interconnection couplers for household and similar equipment - YDT 282-2000- General test methods for reliability of communication equipment - YDT 944-2007- Lightning protection technical requirements and test methods for communication power supply equipment
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China