RS232 Pinout designation DB-9

Pinout designation of rs232 in DB-9 connectors
Pin - Name - description - direction
1 -- DCD -- Data Carrier (DTE <- DCE)
2 -- RxD -- Received Data (DTE <- DCE)
3 -- TxD -- Transmitted Data (DTE -> DCE)
4 -- DTR -- Data Terminal Ready (DTE -> DCE)
5 -- GND -- Signal Ground
6 -- DSR -- Data Set Ready (DTE <- DCE)
7 -- RTS -- Request To Send (DTE -> DCE)
8 -- CTS -- Clear To Send (DTE <- DCE)
9 -- RI -- Ring Indicator (DTE <- DCE)

Rs232 DB9 pinout