30
SERIAL INTERFACE
Standard RS-232C Serial Interface
◈ RS-232C Port Connection
RXD 3 O ------------------------------
O
2 Transmit Data
TXD 2 O ------------------------------
O 3 Receive Data
GND 7 O ------------------------------
O 7 Signal Ground
┌─
O 8 Carrier Detect
├─
O 20 Data Terminal Ready
└─
O 6 Data Set Ready
┌─
O 4 Request to Send
└─
O 5 Clear to Send
9 pin port (male) 25 pin port (female)
RS-232C port of CI-20001 A/B Serial port of the computer
RXD 3 O ------------------------------
O
3 Transmit Data
TXD 2 O ------------------------------
O 2 Receive Data
GND 7 O ------------------------------
O 7 Signal Ground
┌─
O 8 Carrier Detect
├─
O 20 Data Terminal Ready
└─
O 6 Data Set Ready
┌─
O 4 Request to Send
└─
O 5 Clear to Send
9 pin port (male) 25 pin port (female)
RS-232C port of CI-20001 A/B Serial port of the computer
◈ Sub-Display Connection
RXD 3 O ------------------------------
O
2 Transmit Data
TXD 2 O ------------------------------
O 3 Receive Data
GND 7 O ------------------------------
O 7 Signal Ground
9 pin port (male) 25 pin port (female)
RS-232C port of CI-20001 A/B Serial port of the computer