| GENERAL CHARACTERISTICS ITEM DESCRIPTION | PROVIDES TALKING ACCESS TO A FOUR-WIRE TRANSMISSION; FREQUENCY RESPONSE MINUS 0.15 DECIBEL AT 300 HZ; IMPEDANCE FOUR-WIRE 600 OHMS BALANCED; 73.0 MILLIAMPS AT MINUS 24 VDC; OPERATING AMBIENT TEMPERATURE RANGE MINUS 3O.0 DEG C TO PLUS 55.0 DEG C |