95 AND 130 VAC;SGL PHASE;47 AND 440 HZ;INDICATOR-CRT;WT 45 LB;EXT ERNAL POWER SOURCE;INPUT/OUTPUT INTELLIGENCE TY -DIGITAL;INTELLIGENCE INPUT METHOD-ELECTRICAL;CONFIGURED W/EITHER THE TMI B286 OR B386 AT COMPATIBLE CPU CARD;DESIGNED FOR 19 IN. RACK CABINET;IBM COMPATIBLE;CAN OPERATE W/O KEYBOARD OR MONITOR