DM111P ADSL2+ Ethernet Modem Reference Manual
•Disconnect all telephones on the line. If this solves the problem, reconnect the telephones one at a time, being careful to use a microfilter on each telephone. If the microfilters are connected correctly, you should be able to connect all your telephones.
•If disconnecting telephones does not result in a green Internet LED, there may be a problem with your wiring. If the telephone company has tested the ADSL signal at your Network Interface Device (NID), then you may have poor quality wiring in your house.
•Verify that you are connected to the correct telephone line. If you have more than one phone line, be sure that you are connected to the line with the ADSL service. It may be necessary to use a swapper if you ADSL signal is on pins 1 and 4 or the
•Log in to the modem interface, as described in “Opening the
•Make sure your login name and account password are correct and the ADSL settings are set to the values required by your ISP.
If the ADSL light was solid on but is now blinking, try switching off the modem, waiting 30 seconds, and then switching back on again to see if the modem recovers. If the problem persists, try the following:
•Check with your ISP that your service is not being interrupted.
•If you have recently installed a telephone or other device that uses the telephone lines, make sure that it is connected to the telephone line via a microfilter.
•Log in to the modem interface, as described in “Opening the
LAN or Internet Port LEDs Not On
If either the LAN LED or Internet LED does not light when the Ethernet connection is made, check the following:
•Make sure that the Ethernet cable connections are secure at the modem and at the connected router or computer.
•Make sure that power is turned on to the connected router or computer.
Troubleshooting |