User manual

27
Specifications
General
Power Requirements
AC Input:
100-240VAC, 50/60Hz
Channel Power:
24VDC nominal (12 - 30VDC), up to 1Amp per channel (max. 3.5
Amps)
Dimensions
1.75” (44.5mm)high x 19” (483mm) wide x 11.25” (286 mm) deep
Weight
Approximately 5lb. (2.25kg)
Environmental Requirements
Storage:
-20° C to 80°C (-4°F – 176°F); 0% to 95% humidity, non-condensing
Operating
-15° C to 60°C (5°F – 140°F); 0% to 95% humidity, non-condensing
Dynamic/Electret Mic Headset
Microphone
50-200 Ohm, dynamic (balanced or unbalanced) - 2k Ohm, electret
Headphones
150-600 Ohm, monaural
Connector Type
XLR-4M connector
Input Level
-55dBu (nominal), dynamic
9mV, electret
Panel Microphone: Input
Microphone Type
Electret condenser (MCP-90 series microphone)
Power
Phantom (+12VDC)
Nominal Level
-42dBu
Maximum Level
-25dBu
Connector Type
1/4” stereo plug with threaded shaft
Program Input
Input Level
100mV maximum
Vo lt ag e G a in
20 ± 3dB
Output Level (to intercom channel)
1.0Vrms nominal, 2.3 Vrms max.
Input Impedance
75k Ohm
Common Mode Rejection
Greater than 50dB
Connector Type
9-pin female D-sub (DE9S)
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Ground
Program 1 input low
Program 2 input low
Program 3 input low
Program 4 input low
Program 1 input high
Program 2 input high
Program 3 input high
Program 4 input high
Input Channels, Balanced Mode
Output Level
1Vrms nominal
Input Impedance
300 Ohms
Bridging Impedance
Greater than 10,000 Ohms
Sidetone
-40dB, 35dB adjustable range
Call Signaling
Send:
20kHz ± 100Hz 0.5Vrms ± 10%
Receive:
20kHz ± 800Hz, 100mVrms
Mic Kill Frequency
Send
24 kHz ± 100Hz, 0.5Vrms ± 10%
Receive
24kHz ± 800Hz, 100mVrms
Noise Contribution
Less than -70dB
Common Mode Rejection Ratio
Greater than 50dB
Connector Type
One XLR-3M and XLR -3F pair, wired in parallel, for each channel
(permits loop-through connection). Four (4) total channels.
Pin 1
Pin 2
Pin 3
Common
Intercom audio low and +24VDC input
Intercom audio high and +24VDC input
Intercom Channel, Unbalanced Mode
Output Level
.750Vrms ± 10%
Input Impedance
200 Ohms
Bridging Impendance
Greater than 10,000 Ohms
Call Signaling
Send
11 ±3VDC
Receive
4VDC minimum
Connector Type
Uses the same connectors as balanced mode, above, but with pin out
modified by BAL/UNBAL switch on back panel as follows:
XLR-3 Unbalanced Configuration Pin-out
Pin 1
Pin 2
Pin 3
Common
+30VDC input
Intercom audio high