Select Finder > Go > Connect to Server..
In the “Server Address:” text field, type in “afp://your-user-name@secd.unl.edu” without the quotes.
Then click the “Connect” button.
To authenticate click the “Registered User” button.
Type your name and password in to the appropriate fields.
Then click the “Connect” button.
Select the appropriate volumes to mount in the “Select the volumes to mount” list field.
Then click the “OK” button.
The volume will mount to the Desktop of your computer.