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Front-Panel Controls and
Connectors |
Talk/Listen Buttons: 30
Function Buttons: 6
Answer Back Button: 1
Clear Button: 1
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Volume Controls Intercom |
Headset Connector: XLR-4M
Panel Mic Connector Locking: 1/4-in. phone jack
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Rear-Panel Connectors |
To Matrix: RJ-45
Expansion Option: DB-9F
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Panel Microphone Input |
Type: Electret with proprietary phone jack
Input Level: - 40 dBv
Gain Adjustment Range: 0 to 20 dB
Impedance: 200 ohms
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Headset Microphone Input |
Type: Dynamic
Input Level: - 55 dBv
Gain Adjustment Range: 0 to 20 dB
Impedance: 200 ohms
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Line Input/output |
Type: Transformer Balanced
Input Impedance: 8k ohms Bridging
Output Impedance: 150 ohms
Level: 0 dBv nominal
Freq. Resp.: 50 Hz to 15 kHz, ± 2 dB
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Headphone Outputs |
Impedance: 50 to 600 ohms
Power: 1/2 W into 50 ohms
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Temperature |
Operating: 0 to 50 C (32 to 125 F)
Humidity: 20% to 90%, noncondensing
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Power |
Power Supply: In-Line Power Supply, with 3-pin EIA connector, UL
approved power supply
Voltage: 90 to 250 VAC, 50 to 60 Hz, 50 VA max.
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Dimensions |
Height: 1.75 in. (89 mm)
Width: 19 in. (483 mm)
Depth: 6.75 in. (172 mm)
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Weight |
4.0 lbs (1.81Kg).
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