Topic: RS232 Works
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Answers to Common Questions
How does the RS232 Watchdog work?
The watchdog function may be enabled or disabled by configuring the controller's settings. When enabled, the controller expects to receive at least one character every 5 seconds. The character can be part of a command, or may be a dummy cha... Read More »
Source: http://www.querycat.com/question/4b20233d788e62735e9a08debab05515
What is RS232 what does it do and how does it work?
Excellent article on Wikipedia, link below. From 1981 to 1998, the RS-232 port was really the only working serial port on a computer, until USB finally got its bugs all corrected. Source(s): http://en.wikipedia.org/wiki/RS-232 Read More »
Source: http://uk.answers.yahoo.com/question/index?qid=20081126031916AAGU...
How can I check if my RS232 port is working?
RS232 can be used for fine adjustment and can also substitute remote control functions. To check if your RS232 port is working, download and perform the quick test method provided. See similar questions... Read More »
Source: http://www.querycat.com/question/83b67a70542a15ee897100d9ce8f76e4
More Common Questions
Answers to Other Common Questions
If it came with the laptop I would check with Dell. I use one from Cables-to-go and it works great. If you need a new one you can start there.
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Source: http://www.experts-exchange.com/Software/System_Utilities/Drivers...
check this out: http://www.planetsourcecode.com/vb/scripts/ShowCode.asp?txtCodeId=40594&lngWId=1
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Source: http://www.experts-exchange.com/Q_20680832.htm
Perkins, its not your circuit, its the pc's prob, some are using a low power version of RS-232 communications chips and wont work unless the external unit is self powered. these serial driver chips are CMOS type chips and can put up the plu...
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Source: http://www.fixya.com/support/t88448-rs_232_problem_please_help
CTC offers adapters for connection to a 25-pin D-shell (2880A) or a 9-pin D-shell (2880B) connector. Should you wish to make your own connectors, see the illustrations below: Do I have to initialize my ethernet IP address, subnet mask and g...
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Source: http://www.querycat.com/question/0821b076a7c049adf077bf6b1e35baf2
There are many possible sources of console connection problems, including terminal emulator defects and incorrect configurations. Your HP Advancestack or ProCurve Networking by HP installation documentation discusses the correct configurati...
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Source: http://www.hp.com/rnd/support/faqs/sw_2000.htm
simply remove the MCU from the circuit. then using hyperterminal check the communication. you will be able to know whether your IC is working or not. This would only work if your bridge the 2 pins where the MCU transmit and Receive were. A ...
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Source: http://edaboard.com/viewtopic.php?t=302510
The RS232 function supports the standard EIA-RS232 protocol. You will need a RS232 level shifter chip to convert the 5 volt signals to the RS232 standards voltage levels. See the USBRS232.pdf for the schematic. With the USBIODS chips the ba...
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Source: http://www.delcomproducts.com/FAQ.asp