CAS CI-502A - Serial Communication(RS-232 C)

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Serial Communication (RS-232C)
1) RS232C connection
① How to Connect PC
Connect the RS-232C port on the back of the Indicator to the serial port of the PC as shown
below:
RXD2 ㅇ
-------------------------
ㅇ 2 Transmit Data
TXD2 ㅇ
--------------------------
ㅇ 3 Receive Data
GND2 ㅇ
--------------------------
ㅇ 7 Signal Ground
┌─
ㅇ 8 Carrier Detect
├─
ㅇ 20 Data Terminal Ready
└─
ㅇ 6 Data Set Ready
┌─
ㅇ 4 Request to Send
└─
ㅇ 5 Clear to Send
RS-232C Terminal 25 pin port(Female)
Indicator’s RS-232C Port Serial port of computer
RXD2 ㅇ
-------------------------
ㅇ 3 Transmit Data
TXD2 ㅇ
--------------------------
ㅇ 2 Receive Data
GND2 ㅇ
--------------------------
ㅇ 5 Signal Ground
┌─
ㅇ 1 Carrier Detect
├─
ㅇ 4 Data Terminal Ready
└─
ㅇ 6 Data Set Ready
┌─
ㅇ 7 Request to Send
└─
ㅇ 8 Clear to Send
RS-232C Terminal 9 pin port(Female)
Indicator’s RS-232C Port Serial port of computer