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GENERAL
The Audiocom®
OPERATION
SYSTEM POWER
The
IFB-1000 SETUP
The channel termination is set for balanced operation, which is compat- ible with other Audiocom equipment.
The headset/earset jack is set for 150 ohm operation.
EXTERNAL CONNECTIONS & CONTROLS
1 | 2 |
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3 | 4 |
HEADSET
1.Volume Control.
Use this control to adjust the headset/earset listen level.
2.On Indicator
This LED glows green when the belt pack is connected to an intercom channel that is functioning.
3.Headset Connector
This connector accepts a
4.Intercom Channel Connectors
The
CONNECTOR PIN CONFIGURATIONS
HEADSET CONNECTOR
Type: 1/4” Monaural Plug
Sleeve Headset audio low
Tip Headset audio high
INTERCOM CHANNEL CONNECTORS
Type:
Pin 1 Common
Pin 2 Intercom audio and +24 VDC input
Pin 3 Intercom audio and +24 VDC input
SPECIFICATIONS
GENERAL:
Channel Supplied Power Requirements:
+24 VDC nominal (standard Audiocom line), 50 to 80 mA
Environmental Requirements:
Storage:
Operating: 0°C to 50°C; 0% to 95 % humidity,
Dimensions:
3.25” (82.6 mm) H x 3.5” (88.9 mm) W x 1.8” (45.7 mm) D
Weight:
1.0 pounds (0.45 kg)
INTERFACE REQUIREMENTS:
Earset:
150 to 600 ohm headphones
Balanced Intercom Channel Level & Impedance: 1 Vrms nominal; 300 ohms ±5%
Noise Contribution:
Less than
HEADPHONE AMPLIFIER:
Voltage Gain:
27 ±3 dB from the line
Maximum Output:
60 mW into 150 ohms
Frequency Response:
200 Hz to 8 kHz