Pub.: 42004-383D
M
ODEL
DHS/DHF
S
ERIES
D
IGITAL
I
NTERCOM
S
TATIONS
Page 23 of 24
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Specifications
Power input (24 V ac) ......... Voltage ................................................................................ 24 V ac, 50/60 Hz
Power consumed ..........................................................36 VA, 30 watts (max.)
Power input (24 V dc)......... Voltage ................................................................................................. 24 V dc
Power
consumed .............................................................
29 watts (maximum)
Speaker amplifier**............ Output............................................... Class D, 12 watts maximum into 8 ohms
Frequency response............................. 200–7,000 Hz, +0/
−
3 dB ref. @ 1 kHz
Distortion............................................ 2% maximum THD @ 1 kHz, 12 watts
Hum and noise...........................................................
−
55 dB (20 Hz–20 kHz)
Loudspeaker.........................................................................................................................................8 ohms
Audio Line Driver**........... Output................................................................. 0 dBm @ 600 ohms, nominal
Frequency response............................. 200–7,000 Hz, +0/
−
3 dB ref. @ 1 kHz
Distortion......................................... 2% maximum THD @ 1 kHz, 0.775 V
rms
Hum and noise...........................................................
−
55 dB (20 Hz–20 kHz)
Indicators ............................ External ............................................................................................Call Status
Internal** ......................................................................................Power, Fault
Controls............................... External .............................................................Keypad*, push-button inputs*
Internal .............................Speaker Volume, Speaker Gain, Audio Line Level,
Handset Volume, Unit Speaker Volume, Headset Volume**,
AGC Level**, AGC Bypass**
Inputs ...........................................................................................Two configurable inputs, footswitch input
Outputs**...............................................................................................................Two configurable outputs
30 V dc/100 mA maximum switching
Headsets** ......................................................................................................................Headset Connector*
System cabling.................... Power........................................................No. 12–18 AWG (3.33–0.823 mm
2
)
Audio........................................................No. 16–24 AWG (1.31–0.205 mm
2
)
Inputs/outputs...........................................No. 16–24 AWG (1.31–0.205 mm
2
)
Temperature range ...............................................................................
−
4º F to + 140º F (
−
20º C to +60º C)
*Not available on all models.
**Operational on locally powered units only.
