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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Receiving data from Serial Port

I want to receive data from RS232 Serial port to my terminal and with a directive to a file. It should be pretty straight forward. cat /dev/ttyS0 cat /dev/ttyS0 > file.txt Before that I've ...
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how to connect 2 computers using console cable

I know this is a weird question, however, I have a console (rollover) cable - the one used to connect to network devices' console port (e.g. cisco switches). I'd like to know if it's possible to use ...
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26 views

Read serial input from RS232 to USB converter

I want to connect a barcode scanner to my PC and read its output from a selfmade program. I know that there are basically two methods of obtaining output from a barcode scanner: As Keyboard Wedge - ...
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140 views

Netgear Prosafe GSM7248 Console problems

Hey all this is my first time dealing with a managed switch and i seem to be having issues with trying to log into the RS232 console on it. First thing i did was reset it back to factory defaults (i ...
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1answer
68 views

COM port RS485 sniffer using 9bit datawords

I have to monitor COM port, particularly log all raw data from it in a file. I don't have official technical specification of device, which communicates by this port, but as I found in some forum, "It ...
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6answers
8k views

Multi serial devices on one port

I am developing a software for managing parking lot. System is designed to use four HID RFID devices to authorize the clients on gates. Each device should be connected to the server by Serial port ...
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48 views

Forward internet connection over RS-232 Port

I have a Campbell Scientific CR1000 board and have a wireless modem that I plug into the board's RS-232 Port. In order to save data, I would like to forward/bridge my internet connection from my ...
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220 views

Sending commands via serial connection

I've got a Sartorius GD-503 electronic lab scale that I'm trying to work into a control setup. I've got both the regular manual and the data interface description manual. So far I've got my laptop ...
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2answers
347 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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140 views

Linux server to send and receive from RS-232 using socat

I'm trying to bench test a configuration where a Linux server will send and receive RS-232 data from a Black Box RS-232 to Ethernet converter. I've followed this example. I've configured ser2net.conf ...
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7answers
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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 ...
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3answers
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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", ...
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How do I find the Vendor ID of this RS-232 to USB-A 2.0 adapter? [closed]

I need to programmatically allow permissions for this USB device via its vendor ID, but I don't know what its vendor ID is: Does anyone know what the ID is, or how I can discover it?
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3answers
168 views

Can USB to RS232 converter completely “mimic” classic RS232 port on motherboard?

I bought notebook few days ago and of course it doesn't have serial port :) I'm interested in satellite technology and most satellite receivers use serial port for communication with computer. That's ...
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0answers
71 views

Read data from COM port

I am trying to read data from device(http://www.genee-india.com/interactive-whiteboards/genee-powerboard/) wirelessly. Port Details:. com port Silicon Labs CP210X USB to UART Bridge(COM5). ...
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2answers
356 views

How to communicate with two PC using RS232

I was just wondering that is this possible to communicate with two computers using RS232 using softwares like docklight and putty. Suppose if i send Hi from on pc will it recive in another PC and ...
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3answers
7k 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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1answer
90 views

How to transfer data between RS-422 and RS-485 ports?

I'm relatively new to behaviors of serial ports such as RS-232, RS-422, and RS-485. I'm wondering how do you initiate data transmission between a system and a device connected to each other by one ...
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1answer
507 views

RS232 serial Y splitter to Raspberry Pi (USB) and thermal printer sometimes blocks flow to printer

We are sniffing data from a restaurant point of sale system (RJ45 to DB9) to its thermal printer by using an RS232 splitter and a Raspberry Pi (DB9 to USB on the Pi). This has worked great 99% of the ...
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1answer
64 views

Setting RS-232 RTS pin

I am experimenting with my PC's RS-232 interface on Win7. I want to toggle the RTS line state with "mode com1: rts=on" command. However monitoring the RTS line with multimeter shows that the state of ...
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211 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 drive....
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1answer
330 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 address/...
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348 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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5k 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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562 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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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
541 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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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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1answer
31 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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802 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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1answer
229 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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9k 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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I'm looking for serial port monitoring software [closed]

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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562 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 DOUT-...
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730 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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978 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: http://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&...
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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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2k 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 http://...
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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, ...
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1answer
133 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
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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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1answer
3k 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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2answers
601 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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557 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
1k 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
885 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 ...
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575 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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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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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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842 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 ...