It flashes green during the initialization phase, remains solid green after successful initialization, and turns red when a system fault occurs. When the Status light is red, you can use a PC super terminal to confirm whether the switch's software is running normally. PoE mode is enabled and Port LEDs function as described in Port LEDs and Modes, on page 3. The S3100 series does not have a Power indicator. S3100 SERIES SWITCHES TROUBLESHOOTING GUIDE. The status LEDs can display solid amber or flash during boot, POST, or other diagnostic tests. Power: This LED will light green after poweringthe Switch on to indicate the ready state of. Ethernet ports use LEDs to communicate link and activity status: Solid Green (Link) – Connection established and stable. Blinking Green (Activity) – Data is actively being transmitted. Amber / Orange (Solid or Blinking) – Indicates slower speed, configuration mismatch, or minor network errors.
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