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Comcast Cisco DPC3941B
Normal Status Lights

Light
STATUS
Description & Suggested Action
POWERWhite (Solid)Normal operation
UnlitNo power
White (Slow Flashing)Will flash once per second when Network Access is denied
US/DSWhite (Solid)Normal operation
White (Flashing)Performing a downstream scan during initial power up, calibration & registration
White (Slow Flashing)Will flash once per second when Network Access is denied
ONLINEWhite (Solid)Normal Operation
UnlitPerforming a downstream scan during initial power up, calibration & registration
White (Flashing)Requesting High Speed Data Provisioning File
White (Slow Flashing)Will flash once per second when Network Access is denied
2.4 GHzWhite (Solid)When the wireless access point is enabled and operational
White (Flashing)When data is being transferred between the CPE and the wireless gateway
White (Slow Flashing)Will flash once per second when Network Access is denied
UnlitWhen the wireless access point is disabled by the user
5 GHzWhite (Solid)When the wireless access point is enabled and operational
White (Flashing)When data is being transferred between the CPE and the wireless gateway
White (Slow Flashing)Will flash once per second when Network Access is denied
UnlitWhen the wireless access point is disabled by the user
TEL 1-2White (Solid)When telephony service is enabled
White (Flashing)When line 1 or 2 are in use
UnlitNetwork Access is denied
BATTERYWhite (Solid)Battery is charged
White (Flashing)Battery charge is low
UnlitNo battery in unit

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The Story Behind "Status Lights"

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