TDV-2200 was a series of terminals produced by Tandberg Data from the early 1980s.
[1] The rebranded TDV-2200/9(S) terminals had keyboards customized for the ND-NOTIS text processing system.
For Siemens, Tandberg build the similar MTS 2000 series.
It optionally used ISO 646-NO for mapping of the Norwegian characters, which made them a pet hate among UNIX people.
It won several awards for ergonomic design, and its keyboard was widely considered to be one of the best on the market.