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Motorola MB7220

Details

     

Modem Information

DOCSIS 3.0 Single Band Modem

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

My WiFi Compatible

Cox recommends a DOCSIS 3.0 16x4 or higher device for optimal Internet performance.

Highest Service Level

Preferred 100

   

Front View

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

Back view

Click to enlarge.

 

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

  • POWER 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 Light Status Problem Solution
Power

Power light
 
On None - the modem is powered on N/A
Off No power Verify 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.
Downstream

Downstream light
Solid Blue None - multiple downstream channels are in use N/A
Blinking Blue Negotiating multiple downstream bonded channels Verify all cable connections and try resetting the modem.
Solid Green None - one downstream channel is in use N/A
Blinking Green Scanning for downstream channels Verify all cable connections and try resetting the modem.
Upstream

Upstream light
Solid Blue None - multiple upstream channel is in use N/A
Blinking Blue Negotiating multiple upstream bonded channels Verify all cable connections and try resetting the modem.
Solid Green None - one upstream channel is in use N/A
Blinking Green Scanning for an upstream channel Verify all cable connections and try resetting the modem.
Off No upstream channels are in use Verify all cable connections and try resetting the modem.
Online

Online light
On None - the modem is online N/A
Blinking None - the modem is registering a connection N/A
Off The modem is offline Verify all cable connections and try resetting the modem.
Ethernet LAN

Ethernet light
Green None - a device is connected to the Ethernet port and is using 1 Gbps LAN speed N/A
Amber None - a device is connected to the Ethernet port and is using 10 or 100 Mbps LAN speed N/A
Blinking None - data is being transferred over the Ethernet connection N/A
Off No device is connected or the device is disabled Verify all cable connections and try resetting the modem.

Manufacturer Resources

For more detailed technical information, use the resources below.

Quick Start (PDF)

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