NETGEAR DM111P User Manual

Troubleshooting 3-1
v1.0, October 2014
Chapter 3
Troubleshooting
This chapter provides information about troubleshooting your Broadband ADSL2+ Modem
DM111Pv2. After each problem description, instructions are provided to help you diagnose and
solve the problem. For the common problems listed, go to the section indicated.
• Is the modem on?
Go to “Basic Functioning” in the following section.
• Have I connected the modem correctly?
Go to “Basic Functioning” in the following section.
• I cannot access the modem’s configuration with my browser.
Go to “Cannot Log in to the Modem” on page 3-4.
• The configuration changes are not saved.
Go to “Modem Does Not Save Configuration Changes” on page 3-5.
• I’ve configured the modem but I cannot access the Internet.
Go to “Troubleshooting the Internet Connection” on page 3-5.
• I cannot remember the modem’s management utility password.
Go to “Restoring the Default Configuration and Password” on page 3-7.
• I want to clear the modem configuration and start over again.
Go to “Restoring the Default Configuration and Password” on page 3-7.
Basic Functioning
After you turn on power to the modem, the following sequence of events should occur:
1. When power is first applied, verify that the Power LED initially displays red to indicate that
the self-test procedure is running (see the Broadband ADSL2+ Modem Setup Manual for an
illustration and explanation of the LEDs).

NETGEAR DM111P Specifications

Power

power requirements	12V DC, 1.0A
power adapter localization	Plug is localized to country of sale, RoHS compliant

Operating Environment

operating temperature	0° to 40°C (32 to 104ºF)
non-operating temperature	-20° C to 70° C
operating humidity	10-90% relative humidity, noncondensing
non-operating humidity	5-95% relative humidity, noncondensing

System Memory

flash memory	2 MB
DRAM	8 MB

Weight and Dimensions

height	3.0 cm
width	14.1 cm
depth	9.3 cm
weight	190 g (0.67 lb)