Cable Modem Troubleshooting: Motorola SB4220

Light patterns, images, manuals and more helpful info for the Motorola SB4220 cable modem –

Manufacturer: Motorola	Model: SB4220

Modem Light Indicators

Power	Flashing – Startup diagnostics in progress. On – Cable modem is powered on.
Receive	Flashing – Scanning for a downstream channel. On – Downstream channel is connected.
Send	Flashing – Scanning for an upstream channel. On – Upstream channel is connected.
Online	Flashing – Scanning for a network connection. On – Startup process complete. Modem aqcuired.
Activity	Flashing or On – Transmitting or receiving data.
Standby	This light turns on when the standby button is pressed and standby mode is activated.

Notes and Useful Information:

This modem has a standby button located on the top of the unit. When activated, the LED lights turn off (except the standby LED) indicating the ethernet and usb ports are disabled. Note: The cable connection to the service provider remains active.

Installation and User Manual (Requires Adobe Acrobat
Motorola Product Website

If this article helped you, I'd be grateful if you could share it on your preferred social network - it helps me a lot. If you're feeling particularly generous, you could buy me a coffee and I'd be super grateful :)

Home » Cable Modems » Cable Modem Troubleshooting: Motorola SB4220

Leave a Comment