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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

Cox recommends a DOCSIS 3.1 modem or gateway

What does this mean? DOCSIS 3.0 modems with 4x4 channel bonding have a maximum speed of 50 Mbps on the Cox network.

Highest Service Level

Go Fast - 100 Mbps

   

Front View

image of 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 continuously indicate that the cable modem is online and fully operational.

 

     

Back View

image of the 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

image of the mac address label

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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 device's manufacturer.

Troubleshooting

image of the 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 outlets. Also, make sure the outlet is not connected to a switch.
RECEIVE Solid Green None. Downstream channel connected
Solid Blue None. The downstream channel connected with bonded channels
Flashing Searching for a downstream channel connection. Verify all cable connections and try resetting the modem.
Off Modem offline. Verify all cable connections and try resetting the modem.
SEND Solid Green None. Upstream channel connected
Solid Blue None. The upstream channel is connected with bonded channels.
Flashing Modem registering with headend and searching for an upstream channel connection. Verify all cable connections and try resetting the modem.
Off Modem offline. 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 is connected to the Ethernet port; no data is 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 transfers data between the computer and the cable modem.
Off No devices are connected. Verify all cable connections and try resetting the modem.

Manufacturer Resources

User Guide (PDF)

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