Motorola MB7220 Cable Modem user manual
- June 7, 2024
- Cox
Table of Contents
Motorola MB7220 Cable Modem
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Modem Information
DOCSIS 3.0 Cable 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
| | 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
| | 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 (login/Reset instructions)
- ETHERNET – Connects devices to the 10/100/1000 Ethernet port
- COAX – Connects to a coaxial cable
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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 modem lights indicate the current status of your cable modem. To troubleshoot any connection problems, use the table below.
| Modem Light | Status | Problem | Solution |
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Ethernet LAN
| 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.
Online
| 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.
Upstream
| 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.
Downstream
| 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.
Power
| 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.
Manufacturer Resources
For more detailed technical information, refer to the ZoomMotorola_MB7220_QuickStart [PDF].
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