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1996年,华为第一套ＳＤＨ光同步传输网在重庆地区顺利开通,标志着中国在光同步传输领域的长足进步。随后华为的ＳＤＨ设备ＳＢＳ155/622陆续进入山东、吉林、甘肃、贵州、江西、河南、河北等省,经受了通信网上实际运行的考验,得到了使用者的普遍认可和信赖。华为的ＳＤＨ产品的
In 1996, Huawei successfully launched the first SDH optical synchronous transmission network in Chongqing, marking China’s great progress in optical synchronous transmission. Subsequently, Huawei’s SDH equipment, SBS155 / 622, entered the provinces of Shandong, Jilin, Gansu, Guizhou, Jiangxi, Henan and Hebei successively and has withstood the test of the actual operation of the communications network and has gained universal recognition and trust from users. Huawei’s SDH products