The utility model relates to a device for preventing acquisition terminal crashes or GPRS falls line effectively solves the electricity and adopts automatic the opening in terminal and stop, prevents that collector or network terminal from making GPRS fall the problem of line or deadlock, and control circuit is, intelligent control unit respectively with keep apart communication unit, state indicating units, electrical shutoff control unit and power unit and link to each other, electrical shutoff control unit, isolation communication unit state indicating units link to each other with power unit respectively, be equipped with state indicating units's status indicator lamp on the casing front panel, status indicator lamp includes power indicator, communication pilot lamp, and power input binding post and the power output binding post who links to each other with power unit be equipped with to the lower part of casing, and the casing lower part has between power input binding post and power output binding post and keeps apart the status indicator lamp 1 that the communication unit links to each other, the utility model discloses simple structure, it is novel unique, installation convenient to use, it is with low costs, longe -lived, effectively guarantee the terminal acquisition ware success rate of reaching the standard grade, reduce staff's intensity of labour.