Specifications
General
Power Requirements:
Phantom Power:24 VDC nominal (12 to 30 VDC), 65 to 150 mA
Local Power:12 to 15 VDC, 65 to 150 mA
Dimensions:Mounts in standard two-gang electrical box
Environmental Requirements:
Storage:-20°C to 80°C; 0% to 95% humidity, non-condensing
Operating:-15°C to 60°C; 0% to 95% humidity, non-condensing
Dynamic-mic Headset
Microphone:50 to 200 ohm, dynamic (balanced or unbalanced)
Headphones:150 to 600 ohm, monaural
Connector Type:XLR-4M
Pin 1 Microphone low
Pin 2 Microphone high
Pin 3 Headphone high
Pin 4 Headphone low
Intercom Channels,Balanced Mode (SW1 set to BAL position)
Output Level:1 Vrms nominal
Input Impedance:300 ohms
Bridging Impedance:greater than 10,000 ohms
Sidetone:-40 dB, 35 dB adjustable range
Call Signaling:
Send:20 kHz ±100 Hz, 0.5 Vrms ±10%
Receive:20 kHz ±800 Hz, 100 mVrms
Mic-Kill Detect Frequency:24 kHz ±800 Hz, 100 mVrms
Noise Contribution:less than -70 dB
Common Mode Rejection Ratio:greater than 50 dB
Connector Type:Six-position terminal block with screw-in wire clamps
Pin 1 Audio and DC Common
Pin 2 Local power (12 to 15 VDC, 65 to 150 mA)
Pin 3 Intercom channel 1 audio low and +24 VDC phantom power
Pin 4 Intercom channel 1 audio high and +24 VDC phantom power
Pin 5 Intercom channel 2 audio low and +24 VDC phantom power
Pin 6 Intercom channel 2 audio high and +24 VDC phantom power
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Audiocom®