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Questions tagged [rs232]

RS-232 (also known as EIA RS-232C or V.24) is a standard for serial binary data exchange between a DTE (data terminal equipment) and DCE (Data Communication equipment). It is commonly used in the serial ports of PCs.

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USB-to-Serial showing gibberish at 115200 Baud

When using a USB-to-Serial interface everything works as long as I don't go beyond 57600 Baud. At higher rates I only get giberish like this: év.­b0JNLYÆÿ¿iëd0U²(kßÞb! …
Mose
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Is DB-25 port Serial or Parallel?

I would like to know whether the DB-25 port is a serial or parallel port. These ports are otherwise known as printer ports, aka LPT port. I'm very confused about this since, according to Wikipedia, this port is considered part of the D-Subminiature…
Sam
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Using an Rj45 to D9 RS232 Adaptor with a laptop to control an RS232 device

I've got an RJ45 to D9 RS232 Adapter that I want to use to control an RS232 device in the following config: Laptop RJ45 Ethernet port -> Cat6 patch lead -> D9 RS232 adapter -> RS232 Device Would the above work ?
sam
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How can I log in to Ubuntu using a USB serial port?

How can I enable remote terminal log in into Ubuntu 9.10 (Karmic Koala) using a USB serial port? I created device /dev/ttyUSB0, and I want to allow logins using HyperTerminal. I found some resources, but they are related to real hardware RS-232…
marc
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Laptop with internal serial port in 2009 (and 2010)

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 programmed) with serial port (RS232, DB9, ..). We…
Vincent Demeester
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connect two computers together via a rs232 serial port

Wondering if anyone knows of a solution to connect with telnet/ssh through a rs232 serial port Edit: I am looking for a way to connect to computers together via a serial port. I want to be able to view the file system of a computer through a serial…
Richard
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Backup USB connection for Test Cell - USB splitter design?

This is a question for a project I am working on involving an unusual use of some USB equipment. Please see the diagram. Our existing setup consists solely of a single link between the device and the laptop - this is the USB-over-Cat5 link shown as…
Guest1
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What is the minimum delay between two consecutive RS232 frames?

I have been working on creating a UART on an FPGA. I can successfully transmit and receive single characters typed on PuTTY. However, when I set my FPGA to constantly write a large sequences of "A", sometimes I end up with a sequences of "@" or some…
Lord Loh.
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How does a RS-232 to USB converter work?

When I send some data using RS-232 cable a sender and receiver have UART. I can use RS-232 to USB converter to connect some device or other PC to my laptop. Does such converter has inbuilt UART? How data is converted from RS-232 to USB?
Irbis
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Serial to Stereo cable?

While going through some (really) old computer parts I came across a very interesting cable: a female RS232 (9-pin serial) to 3.5mm stereo jack. Any ideas what this cable might have been used for? (it's not a makeshift DIY cable) I remember having…
Molly7244
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Connect 2 computers with RS232 to USB cable

So I have a very, very old DOS machine with an RS232 port on it and I want to be able to transfer files to it from a Windows 7 machine. For this i bought an RS232 to USB cable. What sort of software do I need for the devices to see each other, once…
Capurnicus
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Can't communicate using PuTTY, but can with Termite

I'm trying to establish a serial connection to a peripheral from my PC's RS-232 port. Pretty simple stuff, and I've had not trouble doing it with countless peripherals before. And yet when I configure PuTTY to the right baud rate, stop bits, etc.…
SharpHawk
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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 see what goes in and what goes out of the port.…
AndrejaKo
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Can I set up a COM Port that Connects via TCP/IP?

I have an RS232 device connected to a Digi PortServer on my network. I can telnet to the Digi's IP and port number to communicate with that RS232 device. I have a Windows application that knows how to talk to the device, but it wants to connect…
Kristopher Johnson
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Looking for Fast RS-232 or RS-485 Interface Cards for Windows

I have a module that is usually bundled with a master module, which we now want to use unbundled. The module uses an RS-485 interface. The problem is, by default, the module runs at 1.25 Megabaud, which is not one of the "standard" speeds that most…
Sam Skuce
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