What does the LED lights indicate on my SB6121 modem?
Answer
This document describes the function of the front and back panel LED lights on the SB6121.
Front Panel
Icon
Flashing
On
Not applicable - icon does not flash.
Green: Power is properly connected.
Scanning for a downstream (receive) channel connection.
Green: Non-bonded downstream is connected. Blue*: High-speed Internet connection with bonded downstream channels.
Scanning for upstream (send) channel connection.
Green: Non-bonded upstream channel is connected. Blue*: High-speed Internet connection with bonded upstream channels.
Scanning for an Internet connection.
Green: Startup process completed.
Transmitting or receiving data on Ethernet port.
Amber: A device, computer, or hub is connected to the Ethernet (10Base-T) or Fast Ethernet (100Base-T) port. Blue*: High-Speed Gigabit Ethernet (1000Base-T) connection from the SB6121 to PC.
Powers on and off the cable modem NOTE: The Energy Conservation switch may be an option that is not provided by the service provider.
Blue*: icon operation is not available in all locations. The service provider may implement bonded channels for high-speed Internet and Ethernets connections.
Back Panel
Port Name
Description
10/100/1000Base-T
One 10/100/1000Base-T Ethernet port for RJ-45 network cable connection:
