Table 1. LED descriptions
DescriptionIconLED
• Solid green. Power is supplied to the cable modem.
• Off. No power is supplied to the cable modem.
• Solid red.The cable modem is too warm and might overheat. For more
information about this condition, see Use LEDs to Troubleshoot on
page 23.
Power
• Solid amber. One downstream channel is locked.
• Solid green.Two or more downstream channels are locked.
• Blinking green. The cable modem is scanning for a downstream
channel.
• Off. No downstream channel is locked.
Downstream
• Solid amber. One upstream channel is locked.
• Solid green.Two or more upstream channels are locked.
• Blinking green.The cable modem is scanning for an upstream channel.
• Off. No upstream channel is locked.
Upstream
• Solid green.The cable modem is online.
• Blinking green.The cable modem is synchronizing with the cable
provider’s cable modem termination system (CMTS).
• Off.The cable modem is offline.
Internet
Hardware Setup
7
Nighthawk Multi-Gig Speed Cable Modem
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