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9 pin D-SUB female connector layout
Разъем 9 pin D-SUB female
For most of models Epson printers
computer Pin
computer Pin
DirectionEpson printer Pin
Epson printer Pin
Receive Data (RxD) 2 <-- 2 Transmit Data (TxD)  
Transmit Data (TxD) 3 --> 3 Receive Data (RxD)  
Data Terminal Ready (DTR) 4 --> 6 Data Set Ready (DSR)  
System Ground (SG) 5 --- 7 System Ground (SG)  
Data Set Ready (DSR) 6 <-- 20 Data Terminal Ready (DTR)  
Clear To Send (CTS) 8 <-- 4 Request To Send (RTS)  

25 pin D-SUB male connector layout
Разъем 25 pin D-SUB male
На распиновку Serial Printer (9-25) Epson cable есть 10 отзыв(а): 9 положительных и 1 отрицательных.

Эта распиновка
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