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Motorola - SURFboard® 4220

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Guides, Specs, and Important URLs:

Cable Type: DOCSIS

Manufacturer's Website:

Manufacturer's Support Site:

Screenshots: N/A

Modem Configuration Page Address(es):

Modem Default IP Address(es):

Connection Types:
  • Ethernet
  • USB

Status Lights:

  • Power
    • Solid Green - The modem has power
    • Blinking Green - The modem is currently running diagnostics
    • Off - The modem has no power
  • Receive
    • Solid Green - The modem has a downstream signal
    • Blinking Green - The modem is attempting to aquire a downstream signal
  • Send
    • Solid Green - The modem has a upstream signal
    • Blinking Green - The modem is attempting to aquire a upstream signal
  • Online
    • Solid Green - The modem is connected to the Internet
    • Flashing Green - The modem is searching for an Internet connection
  • Activity
    • Flashing Amber - Data is being sent and received
    • Off - No data is being sent or received
  • Standby
    • Solid Green - The modem's standby button has been pressed and the modem is in standby mode, disabling the ethernet and USB ports for added security while not using one's computer.
    • Off - The modem is currently not in standby mode

Misc Notes:

- When working the lights will look like:
  • Power, Receive, Send, Online all green
  • PC/Activity light will flash Amber when accessing the Internet
- Normal Acceptable Signal Levels:
  • TX (8 to 55)
  • RX (-15 to 15) Ideal is 0
  • SNR (Above 30)

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