DLink DCM-301 DOCSIS 3.0 Cable Modem
Modem InformationDOCSIS 3.0 modem 8×4 channel bonding with speeds of up to 150 Mbps on a wired connection Cox recommends a DOCSIS 3.1 modem or gateway |
Highest Service LevelPreferred 150 |
Front View
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After the cable modem successfully registers on the network, the Power, DS, US, Online, and LAN indicators illuminate continuously to indicate that the cable modem is online and fully operational. | |
Back View
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The DLink DCM301 has the following ports available on the back of the modem.
The RESET button is for maintenance purposes only. |
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MAC Address
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MAC addresses are written as 12 digits containing both letters and numbers (0-9, A-F). A MAC address is unique. The first six characters of the MAC address are unique to the manufacturer of the device. |
Troubleshooting

The lights indicate the current status of your modem. To troubleshoot any connection problems, use the table below.
| Gateway Light | Status | Problem |
|---|---|---|
| POWER | Solid Green | None |
| Off | No power. Verify that the power supply and electrical outlet connections are secure. Also make sure the outlet is not connected to a switch. | |
| DS
(Downstream) |
Solid Green | None |
| Blinking Green | Modem establishing a connection from the Internet to the computer | |
| US
(Upstream) |
Solid Green | None |
| Blinking Green | Modem trying to connect to service – looking for upstream | |
| Off | Modem establishing a connection from the computer to the Internet | |
| ONLINE | Solid Green | None. |
| Off | No connection. | |
| ETHERNET 1-4 | Solid Green | None. A device is connected to the Ethernet port. |
| Blinking Green | None. A device is connected to the Ethernet port and data is being sent to or from the modem. | |
| Off | No connection. | |
| WIRELESS LINK | Solid Green | None. The Wireless Access Point is operational. |
| Blinking Green | None. Data is being transferred over the wireless connection. | |
| Off | The wireless access point has been disabled by the user. | |
| TEL 1 TEL 2 |
Solid Green | None. Indicates service is enabled |
| Blinking Green | None. Line 1 or Line 2 is in use. | |
| BATTERY | Solid Green | None. The battery is charged. |
| Blinking Green | Battery charge is low. | |
| Off | No battery in the unit. |
Manufacturer Resources
For more detailed technical information on the DLink DCM301, use the resources below.






