Ver. 1.00
- 9 -
SRP-S320
1-2-4 Dual Serial Interface Card(RS-232C)
Model: SRP-S320SDK
*Printer side
DSUB 9pin
Pin No.
RJ45
Pin No.
Signal Name
Direction
Function
1
1
NC
-
-
2
2
TxD
Output
Transmit Data
3
3
RxD
Input
Receive Data
5
5
GND
-
Signal Ground
6
6
DTR
Output
Data Terminal Ready
7
7
CTS
Input
Clear To Send
8
8
RTS
Output
Ready To Send
9
-
NC
-
-
Caution
After turning off the power switch of printer, connect and disconnect
the communication cable.
Serial Port
RJ45 Serial Port