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Cisco DPQ3212

Last Updated: Wed, 05 Aug 2015 > Related Articles

85 rated this

Summary

View troubleshooting and setup tips for the DPQ3212 modem.

Solution


Installation

If you need help setting up your cable modem, refer to the following articles.


The Cisco DPQ3212 is a DOCSIS 3.0 cable modem that enables wired telephone and Internet services from Cox. It connects to the coax cable from the wall and delivers digital telephone and Internet access through the connection ports on its back panel. The modem:

  • Can be activated for up to two phone lines, a high-speed Internet device (such as a PC or router), and a secondary Internet device via a 12 Mbps USB port
  • Requires subscription to Cox Digital Telephone and / or Cox High Speed Internet service

Front View 


Front View of DPQ3212 modem


After the modem is successfully connected to the network, the POWER, DS, US, and ONLINE indicators illuminate continuously to indicate that the modem is online and fully operational. For more details, refer to the Modem Lights section.

Back View 


Back View of DPQ3212 modem


The modem includes the following connection ports:

  • POWER - Connects the cable modem to the power adapter
  • ETHERNET - Connects to the Ethernet port on your computer
  • USB - Connects to the USB port on your computer
  • TELEPHONE 1 and 2 - Connects to the telephone (or fax)
  • RESET - Used by Cox maintenance to reset the modem - may delete all previous settings
  • CABLE - Connects to the cable wall outlet

Modem Lights 


Modem lights on DPQ3212


The modem lights indicate the current status of your cable modem. To troubleshoot any connection problems, use the table below.

Modem LightStatusProblemSolution
POWERSolid GreenNoneN/A
OffNo powerVerify power supply connections and electrical outlet, also make sure the outlet is not connected to a switch.

DS 

(Downstream)

Solid GreenNoneN/A
Blinking GreenModem establishing a connection from the Internet to the computerVerify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.

US

(Upstream)

Solid GreenNoneN/A
Blinking GreenModem trying to connect to service - looking for upstreamVerify all cable connections and try resetting the modem. If cable is OK and modem reset does not work,  contact Customer Support.
OffModem establishing a connection from the computer to the InternetVerify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
ONLINESolid GreenNoneN/A
OffNo connectionVerify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
LINKSolid GreenNone - single device connected to either the Ethernet or USB port and no data is being sent to or from the modemN/A
Blinking GreenNone - single device is connected to either the Ethernet or USB port and data is being transferred between the computer and the cable modemN/A
AmberNone - bonded connection being usedN/A
OffNo devices connectedVerify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
TEL 1
TEL 2
Solid GreenNone - service enabledNA
Blinking GreenNone - Line 1 or Line 2 in useNA
BATTERYSolid GreenNone - battery chargedNA
Blinking GreenBattery charge is lowMake sure the power cord is connected to the unit and an active power source. If the battery is over seven (7) years old, contact Customer Support.
OffNo battery in the unitContact Customer Support.

MAC Address Label 


MAC address label on DPQ3212 modem


The S/N is the serial number of the DPQ3212 modem.

The CM MAC is the MAC address of the DPQ3212 modem.

Manufacturer Resources 

Cisco DPQ3212 eMTA Modem User Guide (PDF)

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