The serial interface or serial port, also known as RS-232 is a communication port used to connect modems, mouses, some printers, scanners and other hardware equipment.

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How can I send data to the serial port from a Linux shell?

I need to find the linux way of running the following DOS commands: MODE COM1: 9600,N,8,1,P COPY FIRMWARE.COD COM1 Is this possible? I know COM1 in Linux is /dev/ttyS0 but that's about it. How do ...
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What (traditional) modems work with Windows Vista 64-bit or Windows 7 64-bit?

I have a US Robotics v.Everything modem that I occasionally used for fax and Internet dial-in backup access. However, that modem connected to my previous PC using a plain RS-232 9-pin serial port. ...
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I'm looking for serial port monitoring software

I need a serial port monitoring software that works on windows 7 64bit or GNU/Linux and supports at least RS-232. Bonus points are if it's free software or at least freeware. I just need to be able to ...
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RS232 Packet Sniffer

I'm working on a software development project that requires me to send signals to a device via RS232 port. Sadly the included utilities for transferring to and from the device would not work for mass ...
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How can I monitor a virtual serial port in Windows 7?

I need to listen to everything that goes (both directions) through a virtual serial port on Windows 7 64bit. I do not need to send anything, just monitor the communication for debugging purposes. ...
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Is it possible to reset FTDI virtual com ports enumeration, we easily get hundreds of COM ports in production environment

I have also asked this on serverfault but perhaps it is better suited to be asked here? I hope I'm not breaking any etiquette. When producing devices that use a FTDI USB to serial chip to ...
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How to use IrDA adapter as serial port?

I remember back in windows 98 era that you could install IrDA adapter and associate serial port with it so it would work just like rs-232 to infra-red adapter. Is such thing possible on windows 7? Is ...
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Is there a free way to monitor a serial port on Windows 7 x64? [closed]

The title questions pretty much says it all. I've looked around quite a bit, but I have yet to find a free way to monitor a serial port (without opening or blocking it from other applications), that ...
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Serial connection between 2 computers

I recently purchased a USB to serial cable to connect to other desktop computers (reason is for headless servers), and I don't know if it is working right or I am just doing something wrong. The USB ...
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Serial ports COM3-COM49 used, but not listed in device manager

Some piece of software or some driver appears to be using the serial ports COM3-COM49. New COM ports for Bluetooth et al get assigned ridiculous numbers over 50. When I try to change the number, ...
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Ubuntu: Write to serial port: permission denied

I've connected a USB to Serial bridge dongle, and running dmesg | grep tty outputted the following: [ 0.000000] console [tty0] enabled [603199.380677] usb 2-2: cp210x converter now attached to ...