Listen32 tap into RS-232 transmit signals for monitoring bi-directional communications between two devices. Two COM ports are used in the listening device, the receive line of each connected to the transmit line of one of the communicating devices.
AccessPort is an advanced serial monitor, simulation and RS232 data analysis tool. Use to log, view, analyse or automate RS232 communication or simply use as an ASCII Terminal for basic serial port communication and RS232 device configuration.
Free Software to monitor (bi-directional) Serial Port communication RS232 between two devices, use our free Bill Serial Port Monitor. This software allows you to view, log, analyse the activity of your full duplex serial RS-232 port.