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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.
An active internet connection is required to be able to access all the best that America Online® offers. If you're using dial-up internet and can't connect, try the following troubleshooting steps: Check the dial tone - If you DO have one, it's likely the problem has something to do with your computer. If you DON'T, it's likely the problem has ...
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 ...
A DSL modem, which is type of customer-premises equipment. The WAN interface of this device, in this case the DSL port, could expose CWMP to the internet service provider . Technical Report 069 ( TR-069 ) is a document by the Broadband Forum that specifies the CPE WAN Management Protocol ( CWMP ).
User at modem A issues a dial command: AT-Get the modem's ATtention; D-Dial; T-Touch-Tone; 12125550100-Call this number RING: Modem A begins dialing. Modem B's phone-line rings, and the modem reports the fact. ATA: Computer at modem B issues answer command. CONNECT: CONNECT: The modems connect, and both modems report "connect".
Contention in a wireless or noisy spectrum, where the physical medium is entirely out of the control of those who specify the protocol, requires measures that also use up throughput. Wireless devices, BPL , and modems may produce a higher line rate or gross bit rate , due to error-correcting codes and other physical layer overhead.
An Internet-accessing smartphone may have the same capabilities as a standalone modem, and, when connected via a USB cable to a computer, can serve as a modem for the computer. Smartphones with built-in Wi-Fi also typically provide routing and wireless access point facilities. This method of connecting is commonly referred to as "tethering." [9]