This image shows the Success status for the sys_conn connection.

In the New / Select Database Connection window, this example uses the following values:

1. Connection Name: sys_conn
2. User Name: sys
3. Password: SYS password
4. Hostname: localhost
5. SID: orcl
6. Role: SYSDBA

Replace 'SYS password' with the password of your SYS user.