Hello,
Could you please confirm if your switch is operating on the latest firmware version (1.04.1)? If not, please update it. You can download the firmware from the following link: TSW202 Firmware Downloads.
Have you checked the logs when the issue you described occurs? You can do this via WebUI by navigating to System → Maintenance → Troubleshoot and clicking Show next to the Events Log. Alternatively, you can log in via SSH/CLI, execute logread -f, and then attempt to connect the device causing the issue. This will allow you to see the logs in real-time.
For more information on issues related to TSW202 PoE, please refer to the following resources:
- TSW202 Flyer
- TSW202 PoE Standards
- TSW202 Powering Options
- Teltonika Community: Passive PoE Output
- Teltonika Community: TSW202 Powered with 24 VDC
- Teltonika Community: TSW202 Not Powering TAP200
Best regards,