Ubee Interactive Troubleshooting the InstallationUbee DDW365 Advanced Wireless Gateway Subscriber User Guide • February 2014 15Primary Network screen. Refer to Using the Primary Network Option on page 77.The serial number can also be found on the device label. Refer to Understandingthe Device Label on page 10.Example pre-shared key: B7Y3R11000049 If using WPS, enter the WPS personal identification number (PIN). The WPS PINis a randomly-generated number found on the Wireless Primary Network screen.Refer to Using the Primary Network Option on page 77. The WPS PIN can also befound on the device label. Refer to Understanding the Device Label on page 10. WPA-WPA2 TKIP+AES is the default encryption method.3. Confirm connectivity by opening a Web browser and going to any Web site(for example, http://www.wikipedia.org) or access the Web interface for the DDW365.NoteThe Web interface allows you to customize the configurations and capabilities for thedevice. For a full explanation of all Web interface functions, refer to Using the WebUser Interface on page 16.If you have wireless issues or questions, refer to Deploying and Troubleshooting theWireless Network on page 93.2.3 Troubleshooting the InstallationUse the following tips to troubleshoot the installation. None of the LEDs are on when I power on the DDW365. Check the connection between the power outlet and the power cord. Verify thepower outlet is energized and the power cord is connected to the power outlet. Check the connection between the power cord and the cable modem. Power offthe cable modem and wait for 5 seconds and power on the modem again. If theproblem still exists, there may be a hardware problem. The ETH1, ETH2, ETH3, or ETH4 LEDs on the back of the modem are not litwhere Ethernet cables are connected. Restart the computer so that it can re-establish a connection with the cablemodem. Check for a resource conflict (Windows users only):1. Right-click My Computer on your desktop and choose Properties.2. Choose the Device Manager tab and look for a yellow exclamation point or red X over thenetwork interface card (NIC) in the Network Adapters field. If you see either one, you mayhave an interrupt request (IRQ) conflict. Refer to the manufacturer’s documentation or askyour service provider for further assistance. Verify that TCP/IP is the default protocol for your network interface card. Power cycle the cable modem by removing the power cord from the electricaloutlet and plugging it back in. Wait for the cable modem to re-establishcommunications with your cable service provider. Check General Connectivity Issues: