ARRIS Surfboard SBG7580 Manual

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Modem Information DOCSIS 3.0 Dual Band 802.11-AC WiFi Modem 32×8 channel bonding To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required	Highest Service Level Ultimate 500

DOCSIS 3.0 Dual Band 802.11-AC WiFi Modem

32×8 channel bonding

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

Ultimate 500


Front View Click to enlarge.		After the cable modem is successfully registered on the network, the Power, Send/Receive, and Online indicators illuminate continuously to indicate that the cable modem is online and fully operational.

Back View Click to enlarge.		The following ports are 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. To reboot the modem, press and hold the Reset button for three to four seconds. To restore factory defaults, press and hold the Reset button for more than 10 seconds. Ethernet (1 – 4) – Connects to the 10/100/1000 Ethernet ports on your computer. Provides internet access to a single device. Only one port is active at a time. Cable – Connects to the cable wall outlet. Power – Connects the modem to the power cord.

MAC Address / WiFi Network Label Click to enlarge.		This label is located on the bottom of the device. 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. The default Network Name (SSID) and Passphrase (Preshared Key).

The lights indicate the current status of your modem. 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.
Power	On	None. Device is powered on.
Send/Receive	Blinking	Scanning for downstream and upstream channels. Verify all cable connections and try resetting the modem.
Send/Receive	On	None. Connected to the Internet.
Online	Off	Internet is not available. Verify all cable connections and try resetting the modem.
	Blinking	Downstream and upstream channel acquisition in progress. Verify all cable connections and try resetting the modem.
	On	None. Internet is available.
2.4 GHz	On	None. Activity with a connected device on the 2.4 GHz wireless network.
2.4 GHz	Blinking	None. WiFi is enabled on the 2.4 GHz frequency.
5 GHz	On	None. Activity with a connected device on the 5 GHz wireless network.
5 GHz	Blinking	None. WiFi is enabled on the 5 GHz frequency.
WPS LED	Blinking	None. WPS pairing is in progress with a WPS-enabled wireless device.
WPS LED	On	None. A WPS-enabled wireless device is connected.
USB Port	N/A	There is no LED on the port.

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

Light	Status	Problem
Ethernet	Off	Device is not connected to the port. Verify all cable connections and try resetting the modem.
	Blinking or Solid Green	None. A device is connected to the port at 1000 Mbps speeds and data is passing between cable modem and connected device.
	Blinking or Solid Amber	None. A device is connected at 10/100 Mbps speeds and data is passing between cable modem and connected device.