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Cisco DPQ3925 eMTA Gateway
Last Updated: Thu, 20 Sep 2012 > Related Articles
Summary
Troubleshooting and setup tips for the DPQ3925 eMTA Gateway.
Solution
The Cisco DPQ3925 is a DOCSIS 3.0 wireless residential gateway with embedded digital voice adapter. It is a high-performance home gateway that combines a cable modem, two-line digital voice adapter, router, and wireless access point in a single device. This gateway is a cost-effective voice and networking solution for both the home and small office.
- Provides a faster connection to the Internet and can be activated for up to two phone lines.
- Requires subscription to Cox Digital Telephone and / or Cox High Speed Internet service.
Front View

After the gateway is successfully connected to the network, the POWER, DS, US, ONLINE, ETHERNET (1-4), USB, WIRELESS LINK, SETUP, TEL1, TEL2, and BATTERY indicators illuminate continuously to indicate that the gateway is online and fully operational. For more details, refer to the Gateway Lights section.
Back View

The gateway includes the following connection ports:
- POWER - Connects the wireless home gateway to the AC power source.
- ETHERNET (1-4) - Connects to the Ethernet port on your computer or your home network.
- USB - Connects to the USB port on your computer.
- TELEPHONE 1 and 2 - Connects to home telephone wiring and to conventional telephones for or fax machines.
- RESET - Used by Cox maintenance to reset the cable modem - may delete all previous settings.
- WIRELESS SETUP - Activates Wireless Protected Setup (WPS), which allows you to add wireless devices to the wireless network of the residential gateway.
- CABLE - Connects to an active cable signal from your service provider.
| Gateway Light | Status | Problem | Solution |
|---|---|---|---|
| POWER | Solid Green | None | N/A |
| Off | No power | Verify power supply connections and electrical outlet, also make sure the outlet is not connected to a switch. | |
(Downstream) | Solid Green | None | N/A |
| Blinking Green | Gateway is establishing a connection from the Internet to the computer. | Verify all cable connections and try resetting the gateway. If cable is OK and gateway reset does not work, contact Customer Support. | |
US (Upstream) | Solid Green | None | N/A |
| Blinking Green | Gateway is trying to connect to service. Looking for upstream. | Verify all cable connections and try resetting the gateway. If cable is OK and gateway reset does not work, contact Customer Support. | |
| Off | Gateway is establishing a connection from the computer to the Internet. | Verify all cable connections and try resetting the gateway. If cable is OK and gateway reset does not work, contact Customer Support. | |
| ONLINE | Solid Green | None | N/A |
| Off | No connection. | Verify all cable connections and try resetting the gateway. If cable is OK and gateway reset does not work, contact Customer Support. | |
| LINK | Solid Green | None. A single device is connected to either the Ethernet or USB port and no data is being sent to or from the gateway. | N/A |
| Blinking Green | None. A single device is connected to either the Ethernet or USB port and data is being transferred between the computer and the gateway. | N/A | |
| Off | No devices connected. | Verify all cable connections and try resetting the gateway. If cable is OK and gateway reset does not work, contact Customer Support. | |
| TEL 1 TEL 2 | Solid Green | None. Indicates service is enabled. | N/A |
| Blinking Green | None. Indicates Line 1 or Line 2 is in use. | N/A | |
| BATTERY | Solid Green | None. Indicates battery is charged. | N/A |
| Blinking Green | Indicates battery charge is low. | Make sure the power cord is connected to the unit and an active power source. If the battery is over seven years old, contact Customer Support. | |
| Off | Indicates there is no battery in the unit. | Contact Customer Support. |
Manufacturer Resources
- Cisco DPQ3925 Support Site
- Data Sheet (PDF)
- User Guide (PDF)
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