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The abort can be triggered by the computer receiving a keypress to abort or the computer dropping the Data Terminal Ready (DTR) signal to hang up. A previously established data connection has ended (either at the attached computer's command, or as a result of being disconnected from the remote end), and the modem has now gone from the data mode ...
The computer also keeps DTR low when no programs are running that want to use the modem - this keeps the modem from answering calls due to auto-answer or otherwise doing something unexpected or undesired. The computer may safely assume that after DTR has been brought low for a couple seconds, that the modem will be in command mode.
If you're using broadband (cable) internet and you can't connect, try the following troubleshooting steps in the order listed until you get up and running again. 1. Check if you can visit other sites with a different browser - If you can go to another site, the problem may be associated the browser you're using.
Desktop Gold doesn't provide dial-up internet connectivity and can only be used if you already have a broadband internet connection. If you're having trouble getting online, check to see if the issue is with your internet connection.Our help article, Troubleshooting a Broadband Connection, provides some useful troubleshooting tips. If you are ...
Data Carrier Detect (DCD) or Carrier Detect (CD) is a control signal present inside an RS-232 serial communications cable that goes between a computer and another device, such as a modem. This signal is a simple "high/low" status bit that is sent from a data communications equipment (DCE) to a data terminal equipment (DTE), i.e., from the modem ...
The person at computer B issues the modem escape command. (Alternately, and more commonly, the computer B could drop the DTR, or Data Terminal Ready signal, to achieve a hangup, without needing to use +++ or ATH.) OK: The modem acknowledges it. ATH: The person at computer B issues a hang up command. NO CARRIER: OK
According to the RS232 standard, dropping DTR from active to inactive for at least two seconds tells the modem to disconnect (end) a call or data connection. When a modem is being used for automatic answering (such as with the command ATS0=1), the DTR signal confirms to the modem that the computer is available to accept a call. [1]
If something is wrong with your mobile web browser, it can cause AOL websites to stop working. Get back to what you're doing by fixing the source of the problem.