A computer s serial com port dte is usually a male port as shown below and any peripheral devices you connect to this port usually has a female connector dce.
Rs232 9 pin wiring.
Data carrier detect after a data terminal is detected a signal is sent to the data set that is going to be transmitted to the terminal.
Its original function was.
Wiring and constructional details for rs232 serial data cables.
The reason for the 9 pin and 25 pin connectors is the 25 pin came along first.
There are oodles of different types of rs232 cables but the only real difference is which pins of the rs232 port they actually use.
Rs232 pin assignments db25 pc signal set pin 1.
An rs232 pinout 9 pin cable features nine pins.
Pin connections db9 9 way db25 25 way.
Do you need networked serial.
Rs232 connections and wiring up serial ports.
Then the rs232 wiring was condensed into the 9 pin connector a victim of evolution if you like.
Rs232 basics rs232 standard software handshaking signals voltage levels pinouts connectors loopback connections rs232 cables.