Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use a router as a switch [title] Plug the router into an open power outlet. [step] Plug the router you want to turn into a switch (we'll call this the' switch-router' from now on) into an open power outlet. You should see the power light indicator light up.

Ending1: This should be located on the back of the router's circuit breaker (just beneath the switch). [title] Turn on the switch and wait for the power to be turned on. Ending2: [substeps] If your router does not have a circuit breaker, this indicator may only turn off. You can find the light button at the bottom of the router's housing. Ending3: This indicates that the switch-router is receiving voltage and the router is receiving electricity. [substeps] If the router is not receiving voltage, have the switch-router switch off immediately. Ending4: [title] Hold the reset button on the switch-router for 30 seconds. [step] Look for a small button labeled " reset " and hold it for 30 seconds until all the lights blink off for a few seconds.

Answer format: ending1/ending2/ending3/ending4