Internet
The Internet should add convenience, not headaches. From step-by-step instructions to helpful tips, we'll help you install your equipment, troubleshoot problems, and get the most out of your online experience – minus the migraine.
Cisco DPC3825 Home Gateway
Last Updated: Tue, 19 Mar 2013 > Related Articles
Summary
Learn about the available ports and an explanation of the status lights on a Cisco DPC3825 Home Gateway.
Solution
The Cisco DPC3825 is a DOCSIS 3.0 cable gateway.
Back View

The Cisco DPC3825 has the following ports available on the back of the gateway:
- POWER - Connects the gateway to the power adapter.
- USB - Connects to selected client devices.
- ETHERNET - Four ports connect to the Ethernet port on your computer or home network.
- WIRELESS SETUP - Initiates wireless setup. This feature allows the user to add new Wireless Protected Setup (WPS) compliant wireless clients to the home network.
- RESET - Used to reset the gateway.
| Router Light | Status | Problem | Solution |
|---|---|---|---|
| Power | On | None. The gateway is powered on. | N/A |
| Blinking | Not connected to the Internet. | Turn off all network devices, including the gateway and computers. Then turn on each device in the following order:
| |
| Off | No power | Verify power supply connections and electrical outlet. Also make sure the outlet is not connected to a switch. | |
| DS | On | None | N/A |
| Amber | None. Narrowband operation. | N/A | |
| Green | None. Bonded channel operation. | N/A | |
| US | On | None | N/A |
| Amber | None. Narrowband operation. | N/A | |
| Green | None. Bonded channel operation. | N/A | |
| ONLINE | On | None. The gateway is registered on the network and operational. | N/A |
| ETHERNET 1 - 4 | On | None. The gateway is successfully connected to a device through that port. | N/A |
| Blinking | None. There is network activity over that port. | N/A | |
| Off | No devices are connected. | Verify Ethernet cable connections, the TCP/IP settings and the NIC. NIC drivers may need to be reinstalled. If these steps do not resolve the issue, contact Customer Support. | |
| USB | On | None. There is a connection made through the USB port. | N/A |
| Blinking | None. There is network activity over the USB port. | N/A | |
| Off | No devices are connected. | Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support. | |
| WIRELESS LINK | On | None. Wireless access point is enabled. | N/A |
| Blinking | None. The gateway is actively sending or receiving data over the network. | N/A | |
| Off | None. Wireless access point is disabled by the user. | N/A | |
| WIRELESS SETUP | Off | None. Wireless setup is not active. | N/A |
| Blinking | None. Wireless setup is active to add new wireless clients on the wireless network. | N/A |
Mac Address
The Cisco DPC3825 comes configured with wireless security. By default, the Cisco home networking gateway supports up to 802.11n wireless standards and uses WPA / WPA2 wireless security settings. The SSID and Passphrase are printed on the label on the gateway.
- The SSID on the gateway is the same as the last 6 characters of the Wireless MAC address.
- The Passphrase is the same as the 9-digit serial number of the Cisco home networking gateway.

Need More Help?
-
Technical Support
Live Chat
-
Send An Email To
Cox.com
-
Join the Discussion
Support Forums
-
Find Your Nearest
Service Center
-
Give Us A Call
24/7 Phone Support
-
Additional Contacts
Local Information


