Ubiquiti EdgeRouter ER-8 Quick Start Manual page 11

4. The login screen will appear. Enter ubnt in the Username
and Password fields. Read the Ubiquiti License Agreement,
and check the box next to I agree to the terms of this License
Agreement to accept it. Click Login.
The EdgeOS Configuration Interface will appear, allowing you
to customize your settings as needed. For more information,
refer to the EdgeOS User Guide, which is available at
www.ubnt.com/download/edgemax
You can also manage your device using the Ubiquiti Network
Management System. UNMS lets you configure, monitor,
upgrade, and back up your devices using a single application.
Get started at www.unms.com