84 Key Sub-Compact Keyboard

KeyboardFeatures:*All subcompact keyboard/trackball assemblies feature the G84-4100 keyboard. Available in beige, IBM gray, or black keys. Foreign language key caps available, compatible with Windows 9x fonts.*All keyboards are manufactured with a clear polyurethane, key-hugging membrane that provides a waterproof seal for the keyboard. If the "D" waterproof trackball insert configuration is chosen (see below), the complete assembly becomes waterproof.*All overlays are black unless IBM gray (medium) or IBM gray (light) is specified.*All inserts are color matched to the keyboard overlay.*Balls are black unless a color is specified. White balls have been used in pictures for clarity. (Colored balls available in 100 plus quantities).*Buttons with overlays are backlighted with red LED's. Other colors are optional.The keyboard interface is standard IBM PC/AT compatible.Specifications:Power Supply +5VDC +-5%,180 mA typicalInterface Bi-directional. Synchronous serial. The keyboard communicates with the system via clock and data lines.Data Format IBM compatible. Bi-directional. AT, PS/2 modes: Data and clock high in idle state. PC mode: Data low and clock high in idle state.Output Drivers Open collector TTL.Data Buffer All codes are buffered before transmission.Rollover Full N-key rollover.Automatic Repeat All keys have Autorepeat function. Delay time and repeat sequence can be modified from system (fixed at 10Hz, after 500ms delay for PC mode)Reset Keyboard automatically resets at power on. Reset time is 150 msec to 2 seconds.The keyboard is compatible with PC. XT AT, and PS/2 systems.Approvals/Regulations (Keyboard Only):* Radio Frequency Interference.. FCC Part IS, Subpart J. Class B. Post-Vfg.1046/1984 (VDE 087l. Class B).* Electrostatic Discharge: IEC801-2:15KVTrackballA 2.0" panel mount trackball enclosed in a housing designed to compliment the keyboard has been developed with all the features of the standard industrial/military trackballs Evergreen is noted for.