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10 4028103 Rev A
Front Panel Description
Front Panel Description
The front panel of your cable modem provides LED status lights that indicate how
well and at what state your cable modem is operating. After the cable modem is
successfully registered on the network, the POWER and CABLE status indicators
illuminate continuously to show that the cable modem is active and fully
operational. See Functions of Front Panel LED Status Indicators for more
information on front panel LED status indicator functions.
1 POWER—Illuminates solid green to indicate that AC power is being applied to
the cable modem.
2 DS (Downstream)—Indicates the status of the connection for receiving data.
Illuminates during normal operation
3 US (Upstream)—Indicates the status of the connection for sending data.
Illuminates during normal operation
4 ONLINE—Illuminates solid green when the cable modem is registered on the
network and fully operational. This indicator blinks to indicate one of the
following conditions:
- The cable modem is booting up and not ready for data
- The cable modem is scanning the network and attempting to register
- The cable modem has lost registration on the network and will continue
blinking until it registers again
5 LINK—Illuminates solid green to indicate that an Ethernet/USB carrier is
present and blinks to indicate that Ethernet/USB data is being transferred
between the PC and the cable modem