Important Notice Regarding Firmware Version 6.6.0 and Above
Feature Integration: As of router firmware version 6.6.0, the functionality of this Router App is now included as a standard firmware feature, accessible via Configuration → Peripheral Ports → Inputs/Outputs.
Recommendation: On routers running firmware version 6.6.0 or newer, it is strongly recommended to use the native firmware feature and uninstall this Router App to prevent potential conflicts.
Migration Advisory: When transitioning from this Router App to the integrated firmware feature, carefully review the new settings. Default values and available options may differ, and failing to adjust them could lead to unexpected reboot behavior.
The USR LED Management Router App controls the behavior of the USR LED on supported routers. The figure below shows the USR LED location on the ICR-2800 router.
USR LED on the ICR-2800 router
The Router App web interface is accessible by clicking the Router App name on the Router Apps page. The left menu contains only the Return item, which navigates back to the router's web configuration pages.
All settings are configured directly in the main form of the Router App web interface.
Router app configuration
Warning
The character x in the table below represents the port or input number. The specific number available depends on the device model.
Some items in this list may not be available on all router models.
USR LED signaling is indicative only; its timing may not correspond exactly to when an activity starts or finishes.
Item
Description
Enable USR LED Management
Enables LED management using the Operation Mode configured below.
Operation mode
Controls the LED behavior. Available modes: • Always OFF — The LED is permanently off. • Always ON — The LED is permanently on. Useful for locating a specific router among many. • Binary IN x — The LED lights when binary input x is in the active (on) state. Updated every 100 ms. • Binary OUT x — The LED lights when binary output x is in the active (on) state. Updated every 100 ms. • Portx Rx activity — The LED lights when the serial expansion port x is receiving data. • Portx Tx activity — The LED lights when the serial expansion port x is transmitting data. • Portx Rx and Tx activity — The LED lights when the serial expansion port x is receiving and/or transmitting data. • WiFi AP activity — The LED lights when a client is connected to the router's Wi-Fi AP and flashes during communication. • WiFi STA activity — The LED lights when the router is connected to a Wi-Fi AP and flashes during communication. • OpenVPN active — The LED lights when an OpenVPN tunnel is established and has received data. • IPsec active — The LED lights when an IPsec tunnel is established. • WebAccess/DMP active — The LED lights when the router is connected to a WebAccess/DMP server. • WebAccess/VPN active — The LED lights when the router is connected to a WebAccess/VPN server.
