Security Auto Dialer  (490-0434)    Specifications     Faxback Doc. # 6521

DTMF DIALING
Minimum Level of Single tone (loop current 20 mA)
    Low Group............................................-5.5 dB (typical)
    High Group...........................................-3.5 dB.(typical)
Maximum Level of Frequency Pair (loop current 40mA).............. .1.0 dBm
Pause Time....................................................... .2.0 sec

PULSE DIALING

Dialing Rate........................................................10 pps
Breaking Ratio........................................................60 %
Inter-Digital Pause.................................................800 ms

AUDIO PERFORMANCE

S/N Ratio (Record/Play ref. 1 kHz)...................(greater than) -30 dB
RX Level (ref. 1kHz Loop current 40 mA)..............................50 mW
    Freq. = 500 Hz....,............................................-15 dBm
    Freq. = 1 kHz..................................................-13 dBm
    Freq. = 2.5 kHz................................................-20 dBm
Frequency Response (Record/Play, ref. to 1 kHz)
(Outgoing Message to Line)
    500 Hz.......................................................0 +/- dBm
    2500 Hz.....................................................-3 +/- dBm
Off-Hook Line Input Impedance (at 50 mA Loop Current)
    Freq. 200-3500 Hz.....................................650 +/- 100 Ohms
DC Line Impedance (Off Hook DC resistance, at 20 mA).............<301 Ohms
Distortion (Record/Play, ref 1 kHz).........................< 5% (typical)
Output to Speaker (Playback).....................................90 dB SPL
Beep Tone Output.................................................91 dB SPL
Beep Tone Frequency................................................ 850 Hz

OPERATION PARAMETERS

Number of Rings Before Terminating Call........................4 - 7 Rings
Number of Call Attempts per Stored Number
     1 x Call Mode.......................................................1
     3 x Call Mode.......................................................3

DTMP Tone Signal
    Fire.................................................DTMF Key #3 Tones
    Burglar                       Alternating DTMF Key #0 and Key #2 Tones

OPERATING VOLTAGE RANGE

Burglar Alarm Input............................................10 - 18 Vdc
Fire Alarm Input...............................................10 - 18 Vdc
Auxiliary Power Input..........................................10 - 18 Vdc
Wall Adapter Input.........................................12 Vdc @ 200 mA


RECORD TIME.....................................................20 seconds


RING DETECT SENSITIVITY
(Minimum Line Level)...............................................-30 dBm


POWER CONSUMPTION
Steady State 12 Volts DC AUX Input..................................<50 mA
Active 12 Volts DC AUX Input (Message Playback).....................<75 mA
Steady State AC Power Consumption 12V Adapter Input.............<2.1 Watts


DIMENSIONS
(HWD).........................................1 3/4 x 4 5/8 x 4 1/4 inches
                                                     (45.5 x 115 x 108 mm)


WEIGHT...........................................................12 ounces

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

(CJD/all-06/23/94)