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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Determining Serial Driver Supported Baud Rates

How can I determine the baud rates supported by my serial driver? My driver details (from the Device Manager) follow, but they do not seem very helpful. I am writing an application that is crashing ...
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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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Serial Over IP, windows-linux

I need to have a serial port "shared" over the internet (may or may not be using a vpn) At one end is a windows box, at the other is a linux box, wich has the serial port the linux box has no gui and ...
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Add serial port to VirtualBox VM?

I am using Fedora 12 and VirtualBox 3.1.2. My guest OS is Windows XP. How to add a serial port which will be 'physically' connected to /dev/ttyUSB0?
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Valid 16550 UART settings

Is it valid by the protocol of a FFUART 16550 to configure one side (Machine A) to 155200 baud rate and the other side (Machine B) to 1200? Should I expect the connection to work flawlessly in the ...
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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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Why do I lose data from serial port when I reboot my computer?

I have an application that is monitoring a serial port. Data is sent from the other side only when the port is opened but I found out that I lose some data when I reboot my computer. Why is that? The ...
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Windows with putty via USB serial cable to Linux serial port - output ok, input isn't

I am trying to get two way serial communications going between a Windows XP system and a Linux system (RHEL 5). I have /sbin/agetty -L 9600 ttyS0 in /etc/inittab. I am using a generic USB to ...
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Laptop with internal serial port in 2009 (and 2010) [closed]

Are there any computer vendors (like Dell, Lenovo, or..) that still sell laptops with an internal serial port? We are using several modem and other kind of box at work that have to be used (and/or ...
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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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15 Pin Serial Cable?

Stumbled across what appears to be a 15pin serial cable when cleaning out the equipment room today. I'm familiar with 25 pin and Any idea what these are commonly used for?
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How do I get Snow Leopard to recognize an old RS-232 UPS?

Instead of blowing $100+ on a brand new UPS, I decided to try to resuscitate the ancient CPS350SL that got me through college and grad school. One $7 sealed lead-acid battery later and it's back in ...
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Any free application to redirect serial communication to TCP/IP?

Please can anyone suggest a free application which creates virtual serial ports and any traffic on that port is redirected to given TCP/IP address?
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USB TO DB9 Adapter

I have a USB-to-DB9 adapter, no FCC serial visible anywhere, that I need drivers for. I can't seem to get any relevant info searching on Google. Does anyone have any good ideas where I might be able ...
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RS232 to USB conversion

I want to connect some old device (with a RS232 port) to my laptop which doesn't have serial ports. I bought an adapter which is made in China and comes with no drivers CD. After searching I ...
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Internet Connection Sharing via SLIP

I'm trying to get my Amiga 2000 online with a serial cable connected to a PC running Windows XP. I'm following these instructions, which glance over how exactly to configure Internet Connection ...
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an x86 computer platform with MANY RS232 COM ports?

I'm looking to buy a system that can run windows XP, has decent horsepower, and also has 12+ comm ports, i'm not looking to slap cards into my system either, any ideas?
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Cleaning up Windows XP serial ports

I have been using USB-to-serial port converters and have not been careful to plug them into -exactly- the same USB port every time. What is the best (and safest) method to clean up the giant mess of ...
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Virtualbox and Serial Port permissions

I have a Windows XP Pro SP3 host machine running a Windows XP Pro SP3 guest machine. The host machine has one serial port, COM1, that I need to use in the guest machine. When I add the serial port to ...
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WiFi adapter over serial port?

I just recently came into possession of a old AST Premium Exec notebook computer. The only ports it has are a serial port and a parallel port and it runs DOS. I thought that with the serial port I ...
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How can I add a DB9 serial port to a laptop?

I have a device I need a 9 pin serial port to configure. How can I add this capability to my laptop?
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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. ...