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Table 1. LED descriptions
Description
Icon
LED
• 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.
Online
• Solid green. A powered-on device is connected to the LAN port at
1000 Mbps.
• Solid amber. A powered-on device is connected to the LAN port at
10 Mbps or 100 Mbps.
• Off. No device is connected to the LAN port.
• Blinking green or amber. The LAN port is processing traffic.
Ethernet
Rear panel
The connections and button on the rear panel are shown in the following figure.
User Manual
7
Hardware Setup
High Speed Cable Modem