LKE950 Series Security Pin Pad with DES/3DE & DUKPT; highly secure PIN shield; LCD display; compatible with IBM4778 FeaturesSpecifications Display2-line/16 characters alphanumeric or graphical LCD displayKeypad15 keys, ergonomically designed,InterfaceRS232, PS/2, TTL connection, 300~19,200 bps at option, 1200BPS default, asynchronousPower supplyDC 6-14V, 30mA maximumConnectorDB9 or ...