Bixolon SRP-352 User Manual

 

1-2 Connecting the Cables 
 
You can connect up the three cables to the printer. They all connect to the connector panel 
on the back of the printer, which is shown below: 
 
※

Before connecting any of the cables, make sure that both the printer and the host are 
turned off. 
 
1-2-1 Serial Interface (RS-232C) 

 

 

 

 
 
※

 When the Dip Switch is “ON” on the Serial Interface Board, 

DTR and RTS are connected each other. 

 

 

 

Pin No.  Signal Name  Signal Direction

Function 

BODY 

Frame GND 

- 

Frame Ground 

2 TXD  Output 

Transmit 

Data 

3 RXD 

Input 

Receive 

Data 

6 DSR 

Input 

This signal indicates whether the host computer can receive 
data. (H/W flow control) 
  1) MARK(Logic1) : The host can receive a data. 
  2) SPACE(Logic0) : The host can not receive a data. 
  3) The printer transmits a data to the host, after confirming 

this signal. 

  4) When XON/XOFF flow control is selected, the printer 

does not check this signal. 

7 

Signal GND 

- 

Signal Ground 

20 DTR  Output 

This signal indicates whether the printer is busy. (H/W flow 
control) 

1) MARK(Logic1) : The printer is busy. 

  2) SPACE(Logic0) : The printer is not busy. 
  3) The host transmits a data to the printer, after confirming 

 this signal. 

  4) When XON/XOFF flow control is selected, the host does 

  not check this signal. 

Shield 

Frame GND 

- 

Frame Ground 

Drawer 
kick-out 
connector 

Power 
supply 
connector 

Interface connector