TAD-325 (430-0396) Specifications Faxback Doc. # 7500 General Specifications Unit Limit Number of rings before seizing the line IMMEDIATE position...............................time...........1 - 2 DELAY position...................................time...........3 - 5 OFF HOOK condition for telephone line a. Impedance (50 mA Loop) Frequency, 500 - 2500 Hz......................ohm.......350 - 1050 Frequency, 200 - 3500 Hz......................ohm.......250 - 2500 b. DC voltage at 20 mA loop........................volt...........< 6.0 Operating time without voice..........................sec..........7 +/- 2 Maximum recording time 30 SECOND position...............................sec.........30 +/- 5 3 MIN. position..................................sec.......180 +/- 15 CPC detector operating time of DC current interruption on the line MAX position.....................................m sec.....275 +/- 75 MIN position.....................................m sec........6 +/- 2 CPC invalid time at the start.........................sec..........2 +/- 1 Beep tone frequency (OGM to ICM)......................Hz........800 +/- 50 Remote control a. DTMF detection bandwidth................+/- 1.2% of center frequency INPUT:......................................on the line, 0 to 30 dBm b. Detectable DTMF twist ratio (Referenced Low tone)...........................dB............-8, +4 INPUT:......................................on the line, 0 to 30 dBm Speaker & Microphone Speaker :...................................2-1/4" Speaker, 8 ohm Microphone :...........................Built-in condenser microphone Power supply................AC 120 Volts 60 Hz (Consumption: 200 mA max.) Remote turn-on:..............Turns on after 75 seconds of continuous ring. Dimensions (H x W x D):..........................2-1/5" x 10-1/3" x 7-4/5" (5.6 x 26.3 x 20 cm) Weight:...............................................3 lb 14 oz (1.75 kg) Mechanical Specifications Unit Nominal Limit Tape Speed a. Incoming....................Cm/sec.........4.75........4.75 +3%/-2% Test tape:..MMT-111.........In/sec.........1-7/8......1-7/8 +3%/-2% b. Outgoing....................Cm/sec.........4.75..........4.75 +/-5% Test tape:..SCC-890.........In/sec.........1-7/8........1-7/8 +/-5% Torque: Incoming tape a. Take up torque..............g-cm...........40.................35-70 b. Rewind torqu................g-cm...........130...............70-160 Wow and flutter (WRMS) a. Incoming Test tape:..MMT-111.........%..............0.3.................<0.7 b. Outgoing Test tape:..SCC-890.........%..............0.3.................<0.7 Rewind Time (ICM) (C-60 Cassette Tape)..........sec.............115.................<130 Electrical Specifications Unit Nominal Limit Ringer Detection for (T) - (R) line a. Required ring voltage (RMS)...........V...........30............<40 b. EIA ringer tap voltage................V...........120..........>105 VOX sensitivity (ICM) (Measured by VOX jig on the line)...................................dBm.........-48.....-48 +/- 6 S/N ratio (R/P at 1 kHz) a. Outgoing tape.........................dBm.........35............>25 Input:...............................-40 dBm at microphone terminal Output:..................................On the line 600 ohm loaded b. Incoming tape.........................dBm.........35............>25 Input:..........................................-10 dBm on the line Output:....At speaker terminal Volume 7.5mW 9-10dBm) (8 ohm loaded) Frequency response (R/P at 1 kHz reference) a. Outgoing tape Input:.............................. -60 dBm at microphone terminal Output:..................................On the line 600 ohm loaded 500 Hz dB -4 -4 +/- 5 3 kHz dB -2 -2 +/- 5 b. Incoming tape Input:..........................................-30 dBm on the line Output:....At speaker terminal Volume 7.5mW (-10dBm) (8 ohm loaded) 500 Hz dB -4 -4 +/- 5 3 kHz dB -2 -2 +/- 5 Distortion (R/P at 1 kHz) a. Outgoing tape......................%............4...............<10 Input:...............................-40 dBm at microphone terminal Output:..................................On the line 600 ohm loaded b. Incoming tape......................%............4...............<10 Input:..........................................-10 dBm on the line Output:...At speaker terminal Volume 7.5mW (-10dBm) (8 ohm loaded) Erading ration at 1 kHz with B.P.F. (Q=10) a. Outgoing tape......................dB...........40..............>30 Input:...............................-40 dBm at microphone terminal Output:....At speaker terminal Volume 7.5mW (-10dBm) (8 ohm loaded) b. Incoming tape......................dB...........40..............>30 Input:..........................................-10 dBm on the line Output:....At speaker terminal Volume 7.5mW (-10dBm) (8 ohm loaded) Sensitivity (R/P at 1 kHz) a. Outgoing tape......................dBm..........-13.......-13 +/- 5 Input:...............................-60 dBm at microphone terminal Output:..................................On the line 600 ohm loaded b. Incoming tape......................dBm..........-13.......-13 +/- 5 Input:..........................................-30 dBm on the line Output:..................................On the line 600 ohm loaded ower output at 10% distortion (1 kHz) a. Outgoing tape......................mW...........150............>100 Input:...............................-40 dBm at microphone terminal Output:............At speaker terminal Volume adjust 10% distortion b. Incoming tape......................mW...........150............>100 Input:..........................................-10 dBm on the line Output:............At speaker terminal Volume adjust 10% distortion Remote control a. Minimum remote voltage.............dBm..........-40.............-30 on the line b. Minimum detectable.................ms...........50..............100 tone time Note: Nominal specs represent the design specs, all units should be able to approximate these - some will exceed and some may drop slightly below these specs. Limit specs represent the absolute worst condition that still might be considered acceptable; in no case should a unit perform to less than within any limit spec. (/jej-09/01/94)