DUOPHONE 148 SPEAKERPHONE (430-0612) Specifications Faxback Doc. # 8064 Power Requirements.............................Phone Line, Two AA Batteries Optional AC Adapter (AC 120V/DC 6V) Connector..........................................USOC Type RJ11C or RJ11W Pulse Dialing Rate...................................................10 pps Break Ratio............................................................60 % Inter-Digital Pause..................................................850 ms Access Pause..............................................Approx. 2 Seconds Tone Dialing..................................................Standard DTMF Pulse Mode........................................................16 Digits Tone Mode.........................................................15 Digits Redial Memory Capacity Pulse Mode........................................................32 Digits Tone Mode.........................................................31 Digits Dimensions..............................4 1/16 x 6 3/8 x 8 7/8 Inches (HWD) Weight........................................................2 lbs. 13 oz. Operating Parameters Interface........................................................Loop Start Ringer..............................................Standard Bridged Ringer 20-60 Hz sine or square wave 40-105 volts ring signal Current............................................6-15 volts DC (off hook) 20-70 mA Resistance................................................10 Mohm (on hook) 300 Ohm (off hook) (jlc-08/16/93)