| GENERAL CHARACTERISTICS ITEM DESCRIPTION | PERMITS UP TO 140 SITES TO BE SIGNALED ON A SELECTIVE BASIS; INPUT IMPEDANCE 10.0 KILOHMS BRIDGING; OUTPUT SIGNAL INTERVAL 4,8,OR 12 SECONDS; 45.0 MILLIAMPS NOMINAL AT MINUS 24 VDC; OPERATING AMBIENT TEMPERATURE RANGE 0.0 DEG C TO PLUS 55.0 DEG C |