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

 

computer Pin
Name
computer Pin
Number
Direction Epson printer Pin
Number
Epson printer Pin
Name
Description
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 2 reports in our database (2 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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