According to the manual the Schleifenbauer PDU Gateway has default credentials:
In order to continue you will be asked for a user name and password:
default user name = power (no password)
Change this at the GATEWAY tab asap for security reasons.
Every router is factory pre-configured with IP address 192.168.88.1/24 on ether1 port. Default username is admin with empty password.
User Name = ADMIN.
Password = 632379.
AirOS is the operating system for Ubiquiti M Series products. According to the manual version 5.5.4 has a default password:
Upon subsequent login, the standard login screen appears. Enter ubnt in the Username and Password fields, and click Login.