Motorola Mb7420 Cable Modem User Manual (+ PDF)

Contents hide

1 Motorola MB7420 Cable Modem

2 Modem Information

3 Highest Service Level

8 Manufacturer Resources

8.1 Related Posts

Motorola MB7420 Cable Modem


Modem Information DOCSIS 3.0 Cable Modem 16×4 channel bonding To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required	Highest Service Level Preferred 150

Modem Information

DOCSIS 3.0 Cable Modem

16×4 channel bonding

To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required

Highest Service Level

Preferred 150


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

Back View Click to enlarge.		The Asus CM16 has the following ports available on the back of the modem. RESET – Use this button to reboot the modem or restore to factory defaults. It is recessed to prevent accidental resets. ETHERNET – Connects to the 10/100/1000 Ethernet ports on your computer. CABLE – Connects to the cable wall outlet. POWER – Connects the modem to the power cord.

MAC Address 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.

Modem Lights

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

Modem Light	Status	Problem
Power	On	None. The modem is powered on.
Power	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	Solid Blue	None. Multiple downstream channels are in use.
	Blinking Blue	Negotiating multiple downstream bonded channels. Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
	Solid Green	None. One downstream channel is in use.
	Blinking Green	Scanning for downstream channels. Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
Upstream	Solid Blue	None. Multiple upstream channel is in use.
	Blinking Blue	Negotiating multiple upstream bonded channels. Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
	Solid Green	None. One upstream channel is in use.
	Blinking Green	Scanning for an upstream channel. Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
	Off	No upstream channels are in use. Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
Online	On	None. The modem is online.
	Blinking	None. The modem is registering a connection.
	Off	The modem is offline. Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.
Ethernet LAN	Green	None – a device is connected to the Ethernet port and is using 1 Gbps LAN speed
	Amber	None – a device is connected to the Ethernet port and is using 10 or 100 Mbps LAN speed
	Blinking	None – data is being transferred over the Ethernet connection
	Off	No device is connected or the device is disabled. Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.