Netgear CM500 Cable Modem WiFi Router Combo user manual

Netgear CM500 Cable Modem WiFi Router Combo


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.		The Netgear CM500 is a DOCSIS 3.0 device. The highest service level is based on wired connectivity speeds. After the cable modem is successfully registered on the network, the Power, Upstream, Downstream, and Internet indicators illuminate continuously to indicate that the cable modem is online and fully operational.

Back View Click to enlarge.		The Netgear CM500 has the following ports available on the back of the modem. Power – Connect the supplied power cord to this port. ETHERNET – Connects to the Ethernet cable.Note: This is a LAN Gigabit Ethernet port. RESET – Use this button in the unlikely event that you want to restore the default factory settings. This button is recessed to prevent accidental resets of your modem. login/Reset instructions Cable / Internet – Connect your coaxial cable line to this port.

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.

Troubleshooting

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

Modem Light	Status	Problem
Power	Off	No power – Verify all cable connections and try resetting the modem.
	Solid Green	None
	Red	The cable modem is too warm and might overheat. Fix: Disconnect the power adapter. Wait a couple of minutes to let the cable modem cool down. Make sure that the cable modem is placed in a vertical position. Make sure that the cable modem is placed in a location with good ventilation. Reconnect the power adapter.
Downstream	Off	Downstream channel inactive – Verify all cable connections and try resetting the modem.
	Solid Amber	None – connection from the computer to the Internet established on one channel.
	Blinking Amber	Scanning for downstream channel – Verify all cable connections and try resetting the modem.
	Solid Green	None – connection from the computer to the Internet established on more than one channels.
Upstream	Off	Upstream channel inactive – Verify all cable connections and try resetting the modem.
	Blinking Amber	Scanning for upstream channel – Verify all cable connections and try resetting the modem.
	Solid Amber	None – connection from the Internet to the computer established on one channel.
	Solid Green	None – connection from the Internet to the computer established on more than one channels.
Internet	Off	Modem Offline – Verify all cable connections and try resetting the modem.
	Solid Green	None – Modem operational
	Blinking Green	None – Modem receiving DHCP information
Ethernet	Off	A device is not connected to the Ethernet port on the back. – Connect a device to the Ethernet port on the back.
	Solid Green	None – A device is connected to the Ethernet port at 1000 Mbps.
	Solid Amber	None – A device is connected to the Ethernet port at 10/100 Mbps.
	Blinking Green or Amber	None – Ethernet port is processing traffic

Manufacturer Resources

References

User Manualmanual.tools

Published: August 10, 2021

Updated: April 26, 2023

Netgear CM500 Cable Modem WiFi Router Combo

Modem Information

Highest Service Level

Front View

Back View

MAC Address

Troubleshooting

Manufacturer Resources

References

Ask a Question

Ask a Question Cancel question

Latest Cox Manuals