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Cisco 3939B Normal Status Lights








Bolded status/descriptions below indicate likely Failures
Light
Status
Description / Suggested Action to Take
POWER Blue Power is on.
US/DS Blue Upstream and Downstream ports are connected
ONLINE Blue Unit is online
2.4 GHz Blue Wireless access point is enabled and operational.
Blue (flashing) Data is being transferred between the CPE and the wireless home gateway
Off Wireless access point is disabled by the user.
5 GHz Blue Wireless access point is enabled and operational.
Blue (flashing) Data is being transferred between the CPE and the wireless home gateway.
Off Wireless access point is disabled by user.
Tel 1 Blue Telephony service is enabled.
Blue (flashing) Line 1 is in use.
Tel 2 Blue Telephony service is enabled.
Blue (flashing) Line 2 is in use.
Battery Blue Battery is charged.
Blue (flashing) Battery needs to be charged.
Off No battery in unit or battery is completely dead.

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