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Motorola MB7220

Details




Modem Information

DOCSIS 3.0 Cable Modem

8x4 channel bonding with speeds of up to 150 Mbps on a wired connection

Cox recommends a DOCSIS 3.1 modem or gateway

Highest Service Level

Preferred 150



Front View

image of the Front view

Click to enlarge.

After the cable modem is successfully registered on the network, the Power, Downstream, Upstream, and Online indicators illuminate continuously to indicate that the cable modem is online and fully operational. For more details, refer to the Troubleshooting section.




Back View

image of the Back view

Click to enlarge.


The Motorola MB7220 has the following ports and button available on the back of the modem.

  • ON / OFF - Turns the modem on and off
  • POWER - Connects to the power adapter
  • RESET - Press and hold this recessed button at least 10 seconds to restore to factory defaults and reboot the modem
  • ETHERNET - Connects devices to the 10/100/1000 Ethernet port
  • COAX - Connects to a coaxial cable



MAC Address

MAC label

Click to enlarge.


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

Modem LightStatusProblemSolution
Ethernet LAN

image of the Ethernet light
GreenNone - a device is connected to the Ethernet port and is using 1 Gbps LAN speedN/A
AmberNone - a device is connected to the Ethernet port and is using 10 or 100 Mbps LAN speedN/A
BlinkingNone - data is being transferred over the Ethernet connectionN/A
OffNo device is connected or the device is disabledVerify all cable connections and try resetting the modem.
Online

image of the Online light
OnNone - the modem is onlineN/A
BlinkingNone - the modem is registering a connectionN/A
OffThe modem is offlineVerify all cable connections and try resetting the modem.
Upstream

image of the Upstream light
Solid BlueNone - multiple upstream channel is in useN/A
Blinking BlueNegotiating multiple upstream bonded channelsVerify all cable connections and try resetting the modem.
Solid GreenNone - one upstream channel is in useN/A
Blinking GreenScanning for an upstream channelVerify all cable connections and try resetting the modem.
OffNo upstream channels are in useVerify all cable connections and try resetting the modem.
Downstream

image of the Downstream light
Solid BlueNone - multiple downstream channels are in useN/A
Blinking BlueNegotiating multiple downstream bonded channelsVerify all cable connections and try resetting the modem.
Solid GreenNone - one downstream channel is in useN/A
Blinking GreenScanning for downstream channelsVerify all cable connections and try resetting the modem.
Power

image of the Power light
 
OnNone - the modem is powered onN/A
OffNo powerVerify power supply connections and electrical outlet. Ensure the outlet is not connected to a switch. Press the ON/OFF button on the back of the modem to ensure it is turned on.

Manufacturer Resources

For more detailed technical information, refer to the Quick Start (PDF).

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