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Table 9. SmartNode LED Indications
LED Description
NoteIf an error occurs, all LEDs will flash once per second.
Power When lit, indicates power is applied. Off indicates no power applied.
Run When lit, indicates normal operation. Flashes once per second during boot (startup).
VoIP Link When lit, indicates the gateway is registered on a gatekeeper, media gateway con-
troller, associated to a remote unit, or has an active VoIP connection. Off indicates
the unit is not configured or registered and has no active VoIP connection. Flashing
green indicates that the unit is attempting or has failed to associate/register
FXS (each port) Off indicates on-hook condition. Solid green when off-hook. Flashes to follow ring
cadence.
FXO (each port) Off indicates on-hook condition. Solid green when off-hook. Flashes to follow ring
cadence.
Ethernet (each port)
Status LEDs 49
SmartNode 4520 & 4110 Series User Manual 5 • LEDs status and monitoring
• Link: Lit when Ethernet link is up.
• 100M: On when 100-Mbps Ethernet is selected.
• Activity: Flashes when data is received or transmitted from the unit to the LAN.