The VSOL V2802GW is a Fiber-to-the-Home (FTTH) Optical Network Unit (ONU/ONT) widely used by Internet Service Providers (ISPs) to deliver fiber broadband services to end users. Like most CPE (Customer Premises Equipment), the device ships with a default administrative account.
If the default credentials do not work, it is likely the password was changed previously. How to Log in to VSOL Router? vsol v2802gw admin password top