DECRPTUI—Report Terminal Unit ID
DECRPTUI is a response from the terminal to a tertiary DA (DA3) request from the host. DECRPTUI is available in VT Level 4 mode only. See DA3 for more information.
|D . . . D
is the unit ID of the terminal, consisting of four hexadecimal pairs. The first pair represents the manufacturing site code. This code can be any hexadecimal value from 00 through FF.
The last three pairs are the terminal ID number. This number is unique for each terminal manufactured at that site.