•2 - Tx
(Transmit Data) 4 - RTS (Request to Send)
•3 - Rx
(Receive Data) 5 - CTS (Clear to Send)
•7 - GND (Signal Ground) 8 - DCD (Data Carrier Detect)
• 6 - DSR (Data Set Ready)
•1 - Frame GND 20 - DTR (Data Terminal
Ready)
• 22 - RI (Ring
Indicator)