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Subject : 
RS232连接
 
Description : 
如何延长连接RS232?
 
Solution : 
请参考:
1。在这种情况下,您可能需要使用2根调制解调器电缆
2。在这种情况下,您可能需要使用1根零调制解调器电缆和1根直电缆。
 
Related FAQ : 
DI & DO Mode
电流和电压监测
CS1742 - 兼容性 - Logitech Dinovo Notebook keyboard
Dead-zone
Ground on shielded cable
 

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