Netgear CBR750 Nighthawk Cable Modem manual

Netgear CBR750 Nighthawk Cable Modem

Modem Information DOCSIS 3.1 802.11-AX Dual Band WiFi Modem 32×8 channel bonding	Highest Service Level Gigablast

Front View Click to enlarge.		After the gateway is successfully registered on the network, the Power, Downstream, Upstream, and Online indicators illuminate white continuously to indicate that the gateway is online and fully operational.
Back View Click to enlarge.		The Netgear CBR750 has the following ports and buttons on the back of the gateway. Sync – Used for WPS connections. Ethernet – Connect Gigabit Ethernet cables using these four ports. Cable – Connect a coaxial cable line using this port. Reset – Restores the default factory settings. This button is recessed to prevent accidental resets of your gateway. DC – Connect the power cable using 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 the gateway. To troubleshoot any connection problems, use the table below.

LED Light	Status	Problem
Power	Off	No power. Verify all cable connections and reset the gateway.
	Solid White	None. The gateway is receiving power and functioning normally.
	Solid Red	The gateway is too warm and may overheat. Disconnect the power adapter and allow the gateway to cool down for a few minutes. Once the gateway has cooled, ensure it is placed in a vertical position and in a location with good ventilation before reconnecting the adapter.
Downstream	Off	The downstream channel is inactive. Verify all cable connections and reset the gateway.
	Solid Amber	None. A connection from the computer to the internet is established on one channel.
	Blinking White	The gateway is scanning for downstream channel. Verify all cable connections and try resetting the gateway if the LED indicator continues to blink.
	Solid White	None. A connection from the computer to the internet is established on more than one channel.
Upstream	Off	The upstream channel is inactive. Verify all cable connections and reset the gateway.
	Solid Amber	None. A connection from the internet to the computer is established on one channel.
	Blinking White	The gateway is scanning for an upstream channel. Verify all cable connections and try resetting the gateway if the LED indicator continues to blink.
	Solid White	None. A connection from the internet to the computer is established on more than one channel.
Online	Off	The gateway is offline. Verify all cable connections and reset the gateway.
	Solid White	None. The gateway is online and operational.
	Blinking White	The gateway is synchronizing. Verify all cable connections and try resetting the modem if the LED indicator continues to blink.