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Subject : 
The function of DCE/DTE DIP Switch in IC485S/SI/SN/AI
 
Description : 
What is the function of DCE/DTE DIP Switch in IC485S/SI/SN/AI?
 
Solution : 
There are two types of RS232 interface: one is DCE, and the other one is DTE. DCE is short for Data Communications Equipment, and the modem is the typical of the DCE equipment; DTE is short for Data Terminal Equipment, and the computer is the typical of the CTE equipment.
When IC485S/SI/SN/AI is connected to the DCE equipment, the DIP switch MUST be set to DTE position; when IC485S/SI/SN/AI is connected to the DTE equipment, the DIP switch MUST be set to DCE position.
 
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