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Reboot your modem/router - Sometimes the old "turn it off and on again" approach actually does work! Just wait about five minutes before turning it back on to make sure everything was reset. Just wait about five minutes before turning it back on to make sure everything was reset.
The calling modem waits for the tone after it dials the phone line before it initiates data transmission. If it does not receive a carrier tone within a set amount of time, it will disconnect the phone line and issues the NO CARRIER message. The actual data is transmitted from the answering modem to the calling modem via modulation of the carrier.
Unplug all phone devices in your home - Unplug all phone devices in your home, then reconnect just the modem. Try to connect online, and if it works, plug in each device one at a time until you find the one causing the problem. Restart your computer and modem - Sometimes the old "turn it off and on again" approach actually does work! Just wait ...
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 ...
Because it was possible for an ISP to obtain a direct digital connection to a telco, a digital modem – one that connects directly to a digital telephone network interface, such as T1 or PRI – could send a signal that utilized every bit of bandwidth available in the system. While that signal still had to be converted back to analog at the ...
Wi-Fi Protected Setup allows access points to be set up simply by entering a PIN or other identification into a connection screen, or in some cases, simply by pressing a button. The Protected Setup system uses this information to send data to a computer, handing it the information needed to complete the network setup and connect to the Internet.
If you're using an older or outdated browser, such as Internet Explorer, you may need to access AOL Mail from a different browser. If you don't have an updated or supported browser installed on your computer, update your existing browser or download a new one.
DCD is a signal sent from the modem to the computer. (Note that DCD also remains high if in command mode after a +++ escape sequence, but in practice, software uses this so rarely, if at all, so it's not really an issue.) The modem interprets the Data Terminal Ready (DTR) pin as a signal from the computer to know when it wants to terminate a ...