TRENDnet TDM-C500 - Troubleshooting Guide

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Troubleshooting Guide
The Troubleshooting Guide provides answers to common problems regarding the TDM-C500 ADSL2/2+
Modem Router settings, connections, and computer settings.
1. The TDM-C500 ADSL2/2+ Modem Router does not work (None of the LEDs light up)
Ans.Check the following:
1. Make sure that the TDM-C500 ADSL2/2+ Modem Router is plugged into a power socket.
2. Make sure that you are using the correct power supply for your TDM-C500 ADSL2/2+ Modem
Router device.
3. Make sure the power switch on the TDM-C500 ADSL2/2+ Modem Router is turned on.
2. I changed the LAN IP Address in the LAN configuration page and my PC is no longer able to
detect the TDM-C500 ADSL2/2+ Modem Router.
Ans. After changing the LAN IP Address of the TDM-C500 ADSL2/2+ Modem Router, proceed to the
following step before a PC is able to recognize the TDM-C500 ADSL2/2+ Modem Router:
1. Click “Start” Æ “Run”.
2. In the open field, enter “cmd” then click “OK”.
3. In the command prompt, type “ipconfig/release” then press “Enter”.
4. Type “ipconfig/renew” then press “Enter”.
3. LAN (Link/Act) LED does not light up.
Ans. Check the following:
1. Make sure that the LAN cables are securely connected to the 10/100Base-T port.
2. Make sure that you are using the correct cable type for your Ethernet equipment.
3. Make sure the computer's Ethernet port is configured for auto-negotiation.
4. Failed to configure the TDM-C500 ADSL2/2+ Modem Router through web browser (By a client PC in
LAN)
Ans.Check the following:
1. Check the hardware connection of the TDM-C500 ADSL2/2+ Modem Router’s LAN port. The LED
will lit when a proper connection is made.
2. Check your Windows TCP/IP setting (Refer to Chapter 3 for setting details).
3. Open the Windows System Command Prompt:
 For Windows 9x/ME: Manually enter winipcfg, then press Enter.
 For Windows 2000/XP/Vista/Windows 7: Manually enter ipconfig/all, then press Enter.
4. You should have the following information listed on your Window System:
 IP Address: 192.168.1.x
 Subnet mask: 255.255.255.0
 Default Gateway IP: 192.168.1.1
5. I forgot or lost my Administrator Password.