guāngxiānjiēkǒu
ㄍㄨㄤ ㄒㄧㄢ ㄐㄧㄝ ㄎㄡˇ
Simplified 光纤接口
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 光纖接口 and it comes back until you know it.