There is a bar code on the front panel of each board, from which the basic information about the board can be obtained, such as the BOM code, delivery information, board version, board name, and board model number. The bar code of some of such boards also include a characteristic code. The board characteristic code comprises the information about frequency of signals, type of the optical module, wavelength, and so on.

The information of a bar code includes can be queried on the U2000, for details refer to Supporting Tasks.

Constitutions of the bar codes on a unit (example 1)