General Description:
Provides screw-terminal connection points for control-monitor unit input/output cable, transponder busses, and map data busses; provides three ac power outlets for control-monitor unit, video switching matrix control, and power supply pp-7821/fss-1 (v) ; provides 21.5 vdc, 1.0 amp power source for local transponder, line repeaters, and line isolator repeaters; oper pwr rqmts 115/230 vac, 50/60 hz, single ph, 100 watts; o/a dims 19.0 in. W; 7.25 in.H; 15.0 in. D; rack mounted; four-hour internal battery backup with automatic switching and recharging; fixed ground installation