I want to show you how to start working with Juniper SRX firewalls from the very beginning.
The very beginning is when you open the box, take out your device, put it on your table (or mount it in a rack), and plug it into an outlet. Right after that, the LEDs on your device start blinking and changing colors and the fans start to rotate - depending on how big your appliance is, fans could sound like a hum or a roar! Finally, if everything goes well, your device will reach to the point that it is ready to be configured.
Link to the Article:
kryptomesh.com/2019/01/26/Starting-with-Juniper-SRX-Firewall-Security-Gateway-FromScratch-(Episode-1).html