各位兄弟,本人有一客戶要求我們的18W電源適配器,要通過ITU-T.K.21且要有它的測試報告.我以前沒碰到過此類安規(guī),不知有哪位熟悉的兄弟能否告知詳情.且告知在哪里可進行這方面的測試.
另外客人有附一段要求(見下面)請知道的朋友告知這個具體要求怎樣.謝謝!
Basic levels shall be applied, output (22Vdc) is considered as “internal port” for the purpose of this test requirement.Only those tests shall be done that are related to the AC mains power input. For the tests where primary protectors are to be a equipped, these shall be put between L-N, L-PE & N-PE. The value shall be 275V.Note: The unit shall comply in both following cases: one of the terminals of the output connected to Protective Earth and the output floating.