Techsphere VP-II M Installation Manual page 10

For a stand-alone VP-II system consisting of only one VP-II M
system (one Scanner and one Controller), set the dip switch of the
VP-II Controller as shown below. For extension to a network
environment (multiple Scanners and multiple Controllers), see the
VP-II NCU installation guide.
Please, do not adjust settings unless you are an installer or a
technician.
8
Factory setting
Single VP-II M
system mode