Netgear DM111P User Manual download pdf (Page 41)

DM111P ADSL2+ Ethernet Modem Reference Manual

Troubleshooting 4-3

v1.1, September 2006

• 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 RJ-11 jack. The ADSL2+ Modem

uses pins 2 and 3.

• Log in to the modem interface, as described in “Opening the Web-Based Modem Management

Utility” on page 2-4, and select ADSL Settings from the Setup section of the main menu.

• 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 Web-Based Modem Management

Utility” on page 2-4, note the modem and ADSL status, and run the ADSL Bit Error Test

(BER) and modem diagnostics, as described in Chapter 3, “Managing Your Modem”, and

contact your ISP’s technical support representative.

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.

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Netgear DM111P User Manual Page 41