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Product Nomenclature and Function
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CPS-MCS341-DS1-111, CPS-MCS341-DS1-131 Reference Manual (Hardware)
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33
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12.
RS-232C Serial Port
This product has 1port of RS-232C compliant serial interface.
9-pin D-SUB (MALE) is used for this product.
The baud rate is 115,200bp (Max)
Pin Assignment
Pin No.
Signal Name
Direction
Description
1
CD
Input
Carrier detection
2
RD
Input
Reception data
3
TD
Output Transmission data
4
DTR
Output Data terminal ready
5
GND
-
Signal ground
6
DSR
Input
Data set ready
7
RTS
Output Request to send
8
CTS
Input
Clear to send
9
RI
Input
Ring Indicate
1
5
6
9
No.4-40UNC
inch nut
9-pin D-SUB (Male)