成全高清免费完整观看,日韩一区二区三免费高清,欧美在线看欧美视频免费,日本无码专区无码二区

為什么我的電腦與F940觸摸屏無(wú)法通訊。我的通訊線的接法是DB9孔2----------------------3
                                                                                                                         3----------------------2
                                                                                                                         5----------------------5
                                                                                                                         6----------------------4
                                                                                                                         8----------------------4
                                                                                                                         4----------------------6
                                                                                                                         4----------------------8

兩端7、8短接，不要與4連接

謝謝老大，明天我到公司去試下。