Led Patterns During Boot Sequence; Blackout Mode - Spectracom VersaSync Quick Reference Manual

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2.4.3.1

LED Patterns during Boot Sequence

For the first five seconds after power-up all LEDs will be OFF. Then the Power LED will be blink
ing before it will be lit permanently. If you have configured your unit to operate in Blackout
Mode, this will take effect once the blinking cycle ends.
2.4.4

Blackout Mode

All LEDS can be turned off via the Web UI, and the CLI.
To disable/enable all LED activity via the
To disable all LED activity, using the
CHAPTER •
2 VersaSync Evaluation Kit Quick Reference Guide Rev. 5
Light
OFF No network detected
FAST Network malfunction detected (e.g., no auto-negotiation)
ON Network OK, configuration OK
OFF Unit OK
FAST Unit requires attention; check other status LEDs, see Web UI
HEARTBEAT See table
OFF Temperature OK
FAST High temperature detected
Navigate to MANAGEMENT > OTHER: LED Configuration and click the toggle switch.
Use the command
ledctl
required. To test the command do not forget to use the
).
ctl [options]
Meaning
"LED Lighting Patterns" on page 15
Web UI :
CLI :
to access a tool located in
2.4 Status LEDs
. No arguments are
/usr/bin/
command (
sudo sudo led-
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