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ARRIS / Surfboard SB6120

Details

     

Modem Information

DOCSIS 3.0 Cable Modem

4x4 channel bonding with speeds of up to 50 Mbps on a wired connection

Not compatible with future speed increases

What does this mean?DOCSIS 3.0 modems with 4x4 channel bonding have a maximum speed of 50 Mbps on the Cox network. Cox recommends a DOCSIS 3.0 16x4 or higher device for optimal Internet performance.

Highest Service Level

Essential

   

Front View

Front View of the modem and lights

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 After the cable modem is successfully registered on the network, the POWER, RECEIVE, SEND, and ONLINE indicators illuminate continuously to indicate that the cable modem is online and fully operational. 

 

     

Back View

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The ARRIS / Surfboard SB6120 has the following ports available on the back of the modem.

  • ETHERNET - Connects to the Ethernet port on your computer
  • CABLE - Connects to the cable wall outlet
  • POWER - Connects the cable modem to the power adapter
     

MAC Address

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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

Modem lights


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

Modem Light Status Problem
POWER Solid Green None
Off No power - Verify power supply connections and electrical outlet. Also make sure the outlet is not connected to a switch.
RECEIVE Solid Green None - downstream channel connected
Solid Blue None - downstream channel connected with bonded channels
Flashing Searching for a downstream channel connection - Verify all cable connections and try resetting the modem.
Off Modem off-line - Verify all cable connections and try resetting the modem.
SEND Solid Green None - upstream channel connected
Solid Blue None - upstream channel connected with bonded channels.
Flashing Modem registering with headend - searching for an upstream channel connection - Verify all cable connections and try resetting the modem.
Off Modem off-line - Verify all cable connections and try resetting the modem.
ONLINE Solid Green None - connected to the Internet
Flashing None - scanning for configuration parameters
Off No connection - Verify all cable connections and try resetting the modem.
LINK Solid Amber None - a single device connected to the Ethernet port and no data is being sent to or from the modem
Solid Blue None - a High-speed Gigabit Ethernet connection from the cable modem to the computer
Flashing None - a single device connected to the Ethernet port and data is being transferred between the computer and the cable modem
Off No devices connected - Verify all cable connections and try resetting the modem.

Manufacturer Resources

User Guide (PDF)

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