ATEN KN2116VA User Manual page 73

 [-u] specifies the username for logging in. Without this parameter,
the default username will be: administrator.
 [-p] Specifies the password for logging in. Without this parameter,
the default password will be: password.
Example: Java -jar Javaclient.jar 192.168.0.2:9000:8 -u admin -p test
Chapter 4. Logging In
57