无法将我的串行端口电缆更改为空调制解调器 [英] could not change my serialport cable to null modem

问题描述

hellow
我已将串行端口电缆的一端切开，我想将电线重新连接到零电缆，但我发现只有7根电线+ 1条未安装的电线，我也发现了一根箔.使用测压仪，我已经重新识别了导线号2、3、4、5、6、7和8， 我使用此找不到导线号1和导线号9 电缆的末端，我如何将串行电缆连接到空调制解调器?

hellow
i have made a cut in one end of my serial port cable,i want to reconnect the wires to a null cable,but i have found only 7 wires + 1 uninsualted wire ,i also have found a foil. using the ovometer i have recoginzed wire number 2,3,4,5,6,7,and 8,i could not found wire number 1 and wire number 9using this end of the cable ,how can i connect the serial cable to a null modem?

推荐答案

假设这是一个9针连接器，请不要太担心1和9-它们分别是DCD和RI，因此您可能不需要它们.
只需尝试连接2-> 3、7-> 8和4-> 6，然后查看其是否有效. (5是接地的，您不应该将其用于空调制解调器，因为它不会到任何地方)

Assuming this is a 9 pin connector, don''t worry too much about 1 and 9 - they are DCD and RI respectively so you probably don''t need them.
Just try connecting 2->3, 7->8 and 4->6 and see if it works. (5 is ground, and you shouldn''t need it for null modem since it doesn''t go anywhere)

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