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5
Getting Familiar with your Gateway
This section contains a quick description of the gateway's lights, ports, and buttons to help you get familiar with the SR555ac model.
LED Status Indicators
The indicator lights (LEDs) on the front of the SR555ac gateway
can help you understand the state of your gateway.
Legend:
Green
Green Blinking
Red
Lt. Blue
Lt. Blue Blinking
Dk Blue
Dk. Blue Blinking
LED
Action
Explanation
All LEDs
except
those
listed below
Feature enabled &/or working correctly
Data being transferred
POWER
Device in CFE mode
Device powered on and ready for use
DSL
For VDSL only /WAN service
(Single Line - Inner or
Outer Pair)
For VDSL only WAN service (Bonded Line)
DSL line
0
acquiring sync
DSL line
0
(inner pair) connected
DSL Line 0 (Inner pair) is active; DSL line 1 (Outer pair) is not
active.
DSL line
1
(outer pair) acquiring sync and
connected
DSL Line 1 (Outer pair) is active; DSL line 0 (Inner pair) is not
active
DSL connected
Both DSL lines connected
DSL down
By default, this LED will blink when the DSL connection goes
down. You can modify this setting on the Advanced Settings > DSL
page.
Not lit
No lines connected
Note:
This LED may flash green briefly on startup.
INTERNET
DSL sync acquired and gateway on line
Data being transferred
Internet authentication / connection has failed