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)

Flash Time
Telephone Line Cut Off Time:
   Nominal:.......................................................0.6 sec.
   Limit:...................................................0.4 - 0.8 sec.

NOTE:  This phone has Continuous DTMF/Key Following.

Specifications are typical; individual units might vary.  Specifications
are subject to change without notice.

(jlc/ir-04/05/95)