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3
votes
0answers
91 views

When exactly was the RS-232 standard issued? [closed]

This year is 50th anniversary of RS-232 standard. Despite its age it is still used nowadays, and I work in company that has to deal with it. So we have a half-serious idea to celebrate the exact day ...
1
vote
2answers
93 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 ...
0
votes
1answer
72 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 ...
1
vote
0answers
59 views

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

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 ...
1
vote
1answer
124 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 ...
0
votes
2answers
75 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 ...
1
vote
2answers
135 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?
4
votes
6answers
2k 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 ...
3
votes
1answer
614 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 ...
3
votes
1answer
68 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 ...
1
vote
2answers
356 views

RS-232 vs. RS-485 [closed]

Doing a little research on the two to figure out which one may better suit my purposes (communications amongst different hardware). How do they fare against one another? Im far from being a ...
1
vote
1answer
163 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 ...
3
votes
4answers
163 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, ...
1
vote
0answers
511 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 ...
0
votes
0answers
369 views

Controlling Pioneer DVD-V5000 DVD Player via 9-Pin RS-232 Serial Port [closed]

I have a Pioneer DVD-V5000 player that I'm trying to control via 9-pin RS-232 port. (As opposed to the 15-pin port that's hard to find cables for.) Trouble is, I can't get the thing to acknowledge ...
0
votes
2answers
119 views

is RS-232 installed in new computers?

as above. Is it going to be deprecated port or not?
1
vote
2answers
302 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 ...
0
votes
1answer
212 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 ...
0
votes
6answers
518 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 ...
1
vote
2answers
1k 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 ...
7
votes
1answer
1k 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 ...
5
votes
6answers
3k 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 ...
2
votes
6answers
2k 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? ...
0
votes
1answer
530 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 ...
1
vote
1answer
354 views

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 ...