1746-A4

1746-A4

1746-A4

1、 USB-串口的识别

这个最简单，拔下USB串口转换器，看WINOOWS资源管理器下缺少了哪个COM号。或者插入USB-串口转换器，看WINOOWS资源管理器下增加了哪个COM号。

这个方法只适合USB-单串口转换器，如果一个USB口同时扩多个串口也无法识别。那就得用以下的方法了。

2、 使用波仕485C转换器自发自收检测。

波仕485C是一种RS-232到RS-485/422的无源转换器，全双工半双工通用。将485C的端子板的跳线设置为全双工，并且跳线将A-Y短接、B-Z短接即可。

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厦门泰尼电气有限公司
Xiamen Thani Electric Co.,Ltd
联系人：小黄
电话:0592-6809319
手机:18950191386
QQ:2917675397
传真:0592-6890859
Adress:厦门市海沧区滨湖一里7号2008室
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