Cisco DPC3008 DOCSIS 3.0 Cable Modem user manual
- June 7, 2024
- Cox
Table of Contents
Cisco DPC3008 DOCSIS 3.0 Cable Modem
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Modem Information
DOCSIS 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
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Highest Service Level
Preferred 150
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Front View
| | The Cisco DPC3008 is a DOCSIS 3.0 device offering 8×4 channel bonding.
After the cable modem successfully registers on the network, the POWER, DS,
US, and ONLINE indicators illuminate continuously to indicate that the cable
modem is online and fully operational.
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Back View
| | The Cisco DPC3008 has the following ports available on the back of the modem.
- ETHERNET – Connects to the Ethernet port on your computer
- CABLE – Connects to the cable wall outlet
- RESET – Used to reset the modem (login/Reset instructions)
- POWER – Connects the cable modem to the power adapter
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MAC Address
| | 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 gateway. To troubleshoot any connection problems, use the table below.
| Gateway Light | Status | Problem |
|---|---|---|
| POWER | Off | No power – Verify all cable connections and try resetting |
the modem.
On| None
DS| Blinking| Modem establishing connection from the Internet to the
computer – Verify all cable connections and try resetting the modem.
On| None
US| Off| Upstream channel inactive – Verify all cable connections and
try resetting the modem
Blinking| Scanning for upstream channel – Verify all cable connections and try
resetting the modem
On| None
ONLINE| Off| No connection – Verify all cable connections and try
resetting the modem.
Blinking| None – scanning for configuration parameters
On| None – operational
LINK| Blinking| None – single device connected via Ethernet and data is
being transferred between the computer and the cable modem.
On| A single device is connected to the Ethernet port and no data is being
sent to or from the cable modem – Verify all cable connections and try
resetting the modem.
Off| No devices connected – Verify all cable connections and try resetting the
modem.
Manufacturer Resources
For more detailed technical information on the DPC3008, use the resources below.