ET-385 (430-0570) Specifications Faxback Doc. # 6277 Frequency Control:........................................CH. 1, 4, 6, 10 Operating Frequency:...............................Full Duplex, 46/49 MHz (One pair of the FCC's ten pairs of frequency channels) Modulation:............................................................FM Pulse Dialing Rate:................................................10 pps Make/Break Ratio:...................................................40:60 Redial Memory Capacity:...................................Up to 32 digits Touch-Tone Dialing:.........................................Standard DTMF Telephone Connector:..............................Modular Connector RJ-11 Dimensions:.....................................178(L) x 102(W) x 29(D)MM Weight:............................................................10 oz. Power Supply Base:......................................................AC Adapter Phone:.........................................3 Alkaline C Batteries OPERATING PARAMETERS This information is provided to assist you when answering possible technical questions from your phone company. Interface:.....................................................Loop start Ringer:.....................................Standard electronic dual tone 20-60 Hz sine or square wave 40-105 volt ring signal Current:..................................................20-80 milliamps Resistance:...........................................300 ohms (off hook) 10 megohms (on hook) (BR-04/03/94)