Rev. 2.01 - 8 -
SRP-370/372 Ver.2
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)
RS-232
POWER DK
ON
Power supply
connector Drawer kick-out
connector Interface connector
※ When the Dip Switch is “ON” on the Serial Interface Board,
DTR and RTS are connected each other.
PRINTER
SIDE (25P) HOST
SIDE (25P) PRINTER
SIDE (25P) HOST
SIDE (9P)
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
5 CTS Input Clear To Send
6 DSR Input Data Set Ready
7 SG - Signal Ground
20 DTR Output Data Terminal Ready