Samsung SRP - 350 User Guide

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Rev. 1.08 
- 8 - 
SRP-350/352plusA&C
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: 
 
 NOTE 
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 
Direction 
Function 
1 FG  - 
Frame 
Ground 
2 TxD Output 
Transmit 
Data 
3 RxD Input 
Receive 
Data 
4 RTS Output 
Ready 
To 
Send 
CTS 
Input 
Clear To Send 
DSR 
Input 
Data Set Ready 
7 SG  - 
Signal 
Ground 
20 
DTR 
Output 
Data Terminal Ready 
Drawer 
kick-out 
connector 
Power 
supply 
connector 
Interface connector 
PRINTER 
SIDE (25P) 
HOST 
SIDE (25P)
PRINTER
SIDE (25P)
HOST 
SIDE (9P)