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 <description><![CDATA[不同的上位机COM口定义可能不一样引脚有说明应该不会自己定义发送接收+短接《RD+,SD+》再和下位机发送接收+短接后相连。发送接收—一样相连。地相连]]></description>
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 <pubdate><![CDATA[Sat, 11 Jun 2011 04:21:04 +0000]]></pubdate>
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 <author><![CDATA[qq861107]]></author>
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 <pubdate><![CDATA[Sat, 11 Jun 2011 03:33:06 +0000]]></pubdate>
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