Some firmware versions require a longer press. Try holding the reset button down for a full 30 seconds to ensure the command registers. If you run into any trouble during this setup, tell me: What brand or service provider is printed on the router? What color are the status lights showing right now?

If you can log in to the web interface, you can reset the password by restoring the switch to factory defaults.

Insert your tool into the reset hole. Gently press the button down until you feel a slight click. Hold the button down firmly for 10 to 15 seconds.

Some enterprise-grade cameras allow you to export configuration files. If your 7004tlmv3 supports this feature, back up your settings after each significant change:

By following this guide, you should be able to regain access to your 7004tlmv3 and get your network back to full operation.

If none of these steps work, contact technical support, as there may be a hardware issue.

Before performing a full factory reset—which erases all your custom network configurations—try logging in with the manufacturer's default factory credentials.