CAS CI-600D Series - Serial Interface Details; RS-232 C Port Connections

9. RS-232C Interface in Detail
9-1. RS-232C Port Connection
(1) COM - TXD: Pin No. 2, RXD: Pin No. 3, GND: Pin No. 7
TXD 2 O ----------------
O 2 Receive Data
RXD 3 O ----------------
O 3 Transmit 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-600 Serial port of the computer
(2) COM2 - RXD: Pin No. 2, TXD: Pin No. 3, GND: Pin No. 7 (Option)
TXD 2 O ----------------
O 2 Receive Data
RXD 3 O ----------------
O 3 Transmit Data
GND 7 O ----------------
O 5 Signal Ground
┌─
O 1 Carrier Detect
├─
O 4 Data Terminal Ready
└─
O 6 Data Set Ready
┌─
O 7 Request to Send
└─
O 8 Clear to Send
9 pin port (male) 9 pin port (female)
RS-232C port of CI-600 Serial port of the computer
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