User guide

8
1
Not applicable; icon
does not flash
Green: Power is properly connected
2
Scanning for a receive
channel connection
Blue: High-speed Internet connection
with bonded downstream channels
3
Scanning for a send
channel connection
Green: Send channel is connected
4
Scanning for an Internet
connection
Green: Startup process completed
5
Transmitting or receiving
data on Ethernet port
Amber: Computer or router connected
to Ethernet port Blue: High-speed
Gigabit Ethernet connection between
modem and computer/router
6
Powers on and off the
cable modem
Rear Panel –6121
1 Ethernet Connects to Ethernet-equipped devices
2 Cable
Connects the modem to the cable wall outlet using a coaxial
cable connection
3 Power Provides power to the cable modem
Front Panel — 6121
Key Icon Flashing On
Key Port Description