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楓林殘陽(yáng)
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樓主  發(fā)表于: 2009-03-24 19:10
有兩個(gè),COM1為RS-232,COM2為RS-232/RS-422/RS-485,都可以獨立使用.
sjm213
有小知識，無(wú)大學(xué)問(wèn)。
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1樓  發(fā)表于: 2009-03-25 20:38
？？

可以獨立使用，是提問(wèn)還是回答？

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