Hardware and Internet Setup
6
CM600 Cable Modem
You can use the LEDs to verify status and connections. The following table lists and
describes each LED on the front panel of the cable modem.
Table 1. LED descriptions
LED Icon Description
Power
• Green. Power is supplied to the cable modem.
• Off. No power is supplied to the cable modem.
• Red.
The cable modem is too warm and might overheat. For more information
about this condition, see Use LEDs to T
roubleshoot on page 24.
Downstream
• 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.
Upstream
• 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.
Internet
• Solid green. The cable modem is online.
• Blinking green. The cable modem is synchronizing with the cable Internet
provider
’s cable modem termination system (CMTS).
• Off. The
cable
modem is offline.
Ethernet
• Green. A powered-on device is connected to the Ethernet port at 1000 Mbps.
• Amber. A powered-on device is connected to the Ethernet port at 10/100 Mbps.
• Blinking green or amber. The Ethernet
port is processing traffic.
• Off. No device is connected to the Ethernet port.
Product Label
The product label on the side of the cable modem displays the serial number and MAC
address of the cable modem and login information, including the default IP address, default
user name, and default password.
MAC address
Serial number
Figure 3. Product label
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