Serial interfaces cables and converters scheme
For models CITIZEN CBM 1000 II printers


computer Pin
computer Pin
Direction Epson 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)

Clear To Send (CTS)

6+8 <-- 20

Data Terminal Ready (DTR)

Request To Send (RTS)

Ground 0   0 Ground  


9 pin D-SUB male connector layout
9 pin D-SUB male connector
at the computer
25 pin D-SUB female connector layout
25 pin D-SUB female connector
at the printer
According to 3 reports in our database (3 positive and 0 negative) this pinout should be correct.

Is this pinout
Serial Printer (9-25) CITIZEN CBM 1000 II cable visual pinout:
Serial Printer (9-25) CITIZEN CBM 1000 II cable diagram
click to enlarge
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