INSTALLATION AND USER’S MANUAL REV. 2
-The Voice-
6.
TECHNICAL SPECIFICATIONS
AUDIO BANDWIDTH
200Hz - 3400Hz
LOUDSPEAKER VOLUME
Adju12dB/-12dB
Maximum sound level 78dBSPL
MICROPHONES
3 per module unidirectional hypercardioid
type
ADAPTIVE ACOUSTIC ECHO
CANCELLER
ERLE 30 dB typical
ADAPTIVE LINE ECHO CANCELLER
ERLE 36 dB typical
ADAPTIVE NOISE REDUCTION
FILTER
Noise attenuation 10 dB typical
ADAPTIVE ECHO REDUCTION
Residual Echo Level is reduced at the
adaptive estimation of the Tx noise level
AUX OUTPUTS
Line Level > 100 Ohm
NETWORK INTERFACE
RJ-11 Type single line analog on PSTN
POWER REQUIREMENTS
104-126 VAC 188mA maximum
DIMENSIONS
ACU: 30cm x 30cm x 7cm
SUPPLY MODULE: 10cm x 20cm x 6.5cm
WEIGHT
ACU: 1 Kg
SUPPLY MODULE: 0.850 Kg
LINE VOLTAGE
115/230 VAC 60/50 Hz with Voltage
selector switch
TEST FREQUENCY
1kHz
MAXIMUM TOTAL HARMONIC
DISTORTION
Tel Line output 0.5% at -12dBm
Speaker output: 0.5% at 78 dBSPL
MUTING
100dB minimum attenuation of transmit
signal
LINE LOSS COMPENSATOR RANGE
+12dB/-6dB
SPEECH LEVEL COMPENSATOR
RANGE
+12dB/-6dB
CHAPTER 6. TECHNICAL SPECIFICATIONS
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