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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find an uart on a mother board 0WPG9H

I would like to debug a 0WPG9H mother board with linux and serial line and so i hope to find uart pin (rs232) on it. Any idea how to find spec about this mother board or tricks to find if an uart is ...
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30 views

How to connect 2 computers using Hyperterminal?

How can i send text from one computer to another using Hyperterminal? They both have Windows XP, they are connected with a RS-232 null modem cable. Is it possible? If yes what settings should i use
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52 views

RS232-> convert to usb format and store to jump drive or other usb connected memory

I work with older (pre1997) machine tools. They use a RS232 port to transfer data to and from the machine. I would like to convert these serial signals into a USB format and store them on a jump ...
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63 views

ATEN USB to Serial driver on Windows 8 - using Linux driver?

I'd like to use an ATEN UC232A USB to serial converter on my computer with Windows 8. I downloaded the appropriate driver which seems to work but after a while produces a blue screen because of the ...
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142 views

Mac OS X hyper terminal client with log contents adding timestamp

Is there any hyper terminal client in OS X can save the log with timestamp at each line of the log? Just like PC's hyper terminal tool TeraTerm, there is an timestamp option while configuring the log ...
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1answer
193 views

Telnet into a linux machine using an RJ45-RS232 cable

my linux machine doesn't have a RS232 port, only an RJ45. I also have my grandpa's old pentium machine running windows 95 that has an RS232 port. The only means of interfacing these two computers are ...
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2answers
241 views

RS232 Splitter For PC [closed]

I have two XP machines (I know), one is an industrial XP Embedded Beckhoff CX unit, the other is a run of the mill i3 PC. Both have serial ports and both have separate Symbol hand scanners. Does a ...
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1answer
140 views

Why isn't there any terminal program using USB?

I often use HyperTerminal in Windows XP. The problem is that it just supports COM and telnet. I know COM Port is very old-fashioned, but I can't replace it with USB because there is no such program ...
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0answers
348 views

Installation of USB-to-RS232 driver fails

When I connect my USB-to-RS232 ADAPTER on USB 2.0 port on Windows 7 (64-bit), I get: Device driver software was not successfully installed Prolific USB-to-Serial COMM Port (Failed) On Device ...
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0answers
26 views

Can I receive “terminal” output through USB?

I've acquired my first SoC hardware, the only direct connectors being 2 USB ports and 1 DB-9 port. I know that the latter type has been used for a long time as a terminal connector, enabling direct ...
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1answer
151 views

Telnet rs232 using scpi :s:gui:c

I have some problems in using SCPI:S:GUI:C language, because I'm just a programmer but I need to deal with some devices connecting with RS232 in Flash. I have this machine which connects to the pc ...
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1answer
102 views

Can COM ports be used as RS232 serial ports?

Appologies if I am misusing/abusing specifications. Question: Is it possible to send serial signals via the PC's COM port? Is it further possible to split this port somehow and send signals to two ...
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1answer
25 views

how to skip Hyperterminal splash page (spinning globe)

Is there a secret trick to skipping the 5 second animated splash screen when Hilgraeve HYPERTERMINAL starts? When I open HyperTerminal (HyperTrm.exe), I want it to open immediately, and not show me ...
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1answer
191 views

Connect a VFD display RS232 serial port

I need to connect a VSF display to a computer. The VSF datasheet has this pin out specifications (http://www.noritake-itron.com/Specs/CUK/CU2x20029SCPB-KV91B-04.pdf) DIN-Receive EIN-Host Busy ...
3
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3answers
369 views

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 ...
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0answers
392 views

Unable to connect my projector via USB-to-RS232

I have to connect a Mitsubishi projector XL6600U via a USB-to-RS232 connector. I have a Prolific PL2303 cable, the drivers are available here: ...
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3answers
2k views

Barcode scanner with RS232 interface not working with USB adapter

I used RS232 interface of barcode scanner (Datalogic QD2100), for my project but a problem arises. The manual given with this barcode scanner has certain barcodes for mode setting (scan mode-flashing, ...
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3answers
989 views

RS232 / Ethernet Port Servers - Protocols Involved?

Firstly, I'm not responsible for the equipment, so don't panic that I'm asking such basic questions :) At work we have multiple RS232 / Ethernet port servers (Say the 16 port version of this ...
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2answers
1k views

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, ...
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1answer
110 views

Serial cable vs USB-to-serial adapter

I have a device with RS-232 and a control program on PC. It works fine via serial cable but with usb-to-serial some functions don't work correctly. Why usb-to-serial doesn't work? I tried to change ...
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1answer
3k views

USB-to-Serial showing gibberish at 115200 Baud

I've got a serious problem which drives me crazy because I tried everything I could think of. First of all, I made a video: http://youtu.be/boghkuq7L_s but please read the following text for more ...
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3answers
2k views

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", ...
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1answer
5k views

How to create direct RS232 (PPP) connection from Windows 7

I'm trying to create a direct connection to a hardware device via RS232 serial connection. Am using a USB to Serial adapter and works fine in WinXP but the option seems to have disappeared in Win7. ...
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1answer
126 views

I need to monitor a physical RS232 port on an appliance?

I need to verify what's being output on an RS232 port of an appliance that's running proprietary software (e.g. NOT Windows or Linux). The port is sending data to a target app on another appliance, ...
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1answer
2k views

COM ports not working on Windows XP

I am trying to configure a GSM modem on a Windows XP box. It communicates over the COM ports. The device shows no change in status whether it is plugged in to the computer or not (though I am not ...
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1answer
280 views

Setup null modem connection with a phone like cable

I have a device that i want to connect with, reading the user's manual it claims that i can connect to the device via SR-232 interface and it list all the steps to configure a null modem connection on ...
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1answer
650 views

USB-RS232 adapter

I have an USB-RS-232 adapter that when I plug it into my Windows 7 laptop comes up as a ps/2 + USB input device. How do I go about changing this? I don't have the original driver disk and there ...
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1answer
1k views

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 ...
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1answer
445 views

interface an lcd through rs232 interface

Linux has character device file representing serial port /dev/ttys*. I can simply open , read , write , close a serial port using system calls in my c program. I am working on a board which has an ...
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2answers
1k views

What does the BIOS of a motherboard interpret as a wake-up signal on the COM port?

I have a motherboard (Gigabyte 990fxa-ud3) that I want to wake up using a ring event on the COM port, but I am unable to do so. I generate the ring event with an atmega32a. The BIOS settings are ...
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1answer
580 views

Targus USB-to-RS232 not working with Linux?

I have the Targus PA088 USB to RS232 converter, but it seems that it does not work with linux. Its RX and TX lights are flashing, but I can't see the data in minicom/picocom. When using it with ...
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1answer
213 views

Is there a software that allows RS232 sniffing and TCP/UDP listening [closed]

I am looking for a software that would fulfill the following requirements: Able to "sniff" communication over RS232 (like PortMon and Advanced Serial Data Logger) Able to listen to a given ...
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1answer
1k views

interpreting stty output to start connection with hyperterminal

I am trying to communicate between an embedded device which runs linux and a PC which runs windows xp over a RS232 connection. On windows I use Hyperterminal, but I don't know which settings I should ...
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2answers
269 views

Novell Netware rs232 to lan

I'm trying to replace an old computer which is boot from a floppy disk with novell netware 3.12 with a modern computer. This computer has a serial com port and an Ethernet card, and all is does is to ...
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2answers
678 views

Do I fry my device when attaching a 5V RS232 converter to a 3.3V port?

I have a device, namely a Synology DiskStation. It has a 3.3V RS232 interface on board. All I have is a 5V RS232 to USB adapter. Can I attach it to my DiskStation without making any smoke?
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8answers
13k views

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 ...
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2answers
2k views

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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1answer
130 views

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 ...
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1answer
488 views

Turning on computer using communication port

I am working on something that would require a computer to be turned on "remotely" but still within reach in the same building. I did some reading about WOL (Wake On LAN) and would like to know if ...
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4answers
271 views

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, ...
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0answers
986 views

How do I make a USB RS232 dongle show up in /dev/ttyUSB* in Ubuntu 10.04?

I have a couple of FTDI based USB to Rs232 serial dongles. Sometimes when I plug them into my Ubuntu 10.04 laptop, they show up as /dev/ttyUSB0 and /dev/ttyUSB1. Sometimes they don't. When they ...
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2answers
356 views

Do new computers still come with RS-232 ports?

Is the RS-232 port still being used on new computer or is it going to be deprecated?
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2answers
772 views

Serial port RS-232 and Security

If I have a device connected to serial port RS-232 on my computer and an application that is communicating with it. How secure is this? Can another application communicate with the device at the same ...
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1answer
485 views

How to disable mouse function for a RS232 usb device in Windows 7?

I have this RS232 USB device that Windows 7 thinks its a mouse. When it's activated the mouse cursor starts to jump to random places on the screen. I want to use this device but I want to disable this ...
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6answers
4k views

Multi serial devices on one port

I am developing one software for managing parking lot. System is designed to use four HID RFID devices for authorization clients on gates. Each device should be connected to server by Serial port ...
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2answers
3k views

Sending ASCII characters on Mac USB/RS232 cable

I have a RS232C/USB cable to connect an electronic device to my iMac Intel (MacOSX SnowLeo 10.6.3). Is there a utility program that allows for sending ASCII characters on the USB port that the RS232C ...
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2answers
4k views

How can I login to Ubuntu using a USB serial port?

How can enable remote terminal login into Ubuntu 9.10 using a USB serial port? I created device /dev/ttyUSB0 and i want to allow logins using Hyper-Terminal. I found some resources but they are ...
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6answers
4k views

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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6answers
6k views

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? ...
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1answer
765 views

rs232 PTZ cameras software program for control

Does anyone know of a program that would allow you to control multiple IR cameras via usb (computer jack) to rs232 (camera hardware)? We have a cameraswitcher, very low key, that I can press buttons ...