YD/T 2158-2017#Access Network Technical Requirements Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) Equipment # E1 Mapping Jitter Requirements
YD/T 2158-2017#Access Network Technical Requirements Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) Equipment # E1 Combined with Jitter Requirements
YD/T 2158-2017#Access Network Technical Requirements Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) Equipment # E1 Error Performance Requirements
YD/T 2158-2017#Access network technical requirements: Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) equipment # STM-N input jitter and drift tolerance
YD/T 2158-2017#Access network technical requirements: Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) equipment # STM-N output port jitter
YD/T 2158-2017#Technical requirements for access network: Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) equipment # V.35 bit error performance requirements
YD/T 2158-2017#Access Network Technical Requirements Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) Equipment # Rise Time
YD/T 2158-2017#Access Network Technical Requirements: Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) Equipment # Upstream Optical Port Protection Switching
YD/T 2158-2017#Access Network Technical Requirements Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) Equipment # Downtime
YD/T 2158-2017#Access network technical requirements: Multi Service Access Node (MSAP) # Multi Service Access Node (MSAP) equipment # Service board protection switching (optional)
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 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