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This standard specifies the requirements for the product quality level and quality level of 34368 kbit/s positive code speed adjustment third group digital multiplexing equipment (hereinafter referred to as third group digital multiplexing equipment). The wooden standard is applicable to third group digital multiplexing equipment and serves as the basis for evaluating third group digital multiplexing equipment. This standard is not applicable to product sorting. Reference standard GB/T 12707 Guidelines for Quality Classification of Industrial Products GB 9405.134368kbit/s Technical Requirements for Triple Group Digital Multiplexing Equipment GB 9405.234368kbit/s Test Plan for Triple Group Digital Multiplexing Equipment GB 2828 Sampling Procedures and Tables for Batch Inspection and Counting (Applicable to Continuous Batch Inspection) GB 2829- Sampling Procedures and Tables for Periodic Inspection and Counting GB 2421 Basic Environmental Testing Regulations for Electronic and Electrical Products GB 2423.1 Basic Environmental Testing Regulations for Electronic and Electrical Products GB 2423.1 Test A: Low Temperature Test Method GB 2423.2: Basic Environmental Testing Regulations for Electronic and Electrical Products Test B: High Temperature Test Method GB 2423.9 Basic Environmental Testing Regulations and Test C for Electronic and Electrical Products YD 282 General Test Method for Reliability of Postal and Telecommunications Equipment Law 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 problems100% inspection 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
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