Kowa KE811CT - Manual (Page 22)

5-2. Connection of RS232C cable
Pin1 Non connect (NC)
Pin2 Transmitted (TX)
Pin3 Received Data (RD)
Pin4 DTE ready connected with Pin6.
Pin5 GND
Pin6 DCE ready
Pin7 Request to send (RTS)
Pin8 Clear to send (CTS)
Pin9 Non connect (NC)
Serial 1 & 3 Pin-Out Diagram
Pin1 Non connect (NC)
Pin2 Received Data (RD)
Pin3 Transmitted Data (TD)
Pin4 DTE.
Pin5 GND
Pin6 It connects with Pin4.
Pin7 It connects with Pin8.
Pin8 It connects with Pin7.
Pin9 Non connect (NC)
Serial 2 Pin-Out Diagram
Pin Number
1 2 3 4 5
6 7 8 9