B920 2 Line Alpha Numeric Keypad (SDI2)
https://cdn.adiglobaldistribution.us/pim/Original/10046/Upload_DS-B920_ProductManual.pdf
The B920 Two-line Alphanumeric Keypad (SDI2) is a SDI2 bus compatible device. Each keypad has user adjustable options such as volume and display brightness. The B920 shows two-line system messages for all areas. Keypad languages. Available languages: English, Dutch, French, German, Hungarian, Italian, Portuguese, Spanish, Swedish. System overview.
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