This Part of GB 4943 specifies safety requirements for remote feeding telecommunication circuit. This Part is applicable to information technology equipment that is intended to supply and receive communication network power, and the voltage exceeds the TNV circuit limit.
Basic Data
Standard ID
GB 4943.21-2019 (GB4943.21-2019)
Description (Translated English)
Information technology equipment -- Safety -- Part 21: Remote power feeding
Sector / Industry
National Standard
Classification of Chinese Standard
L09
Classification of International Standard
35.020
Word Count Estimation
15,138
Date of Issue
2019-12-31
Date of Implementation
2020-07-01
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
