Polycom Vortex EF2211 פוליקום

Easily add phone calls and improved acoustic echo
cancellation to your rollabout or installed conferencing
applications.

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דגם: Polycom Vortex EF2211

מחיר ₪ 19,702 ILS 12/7/2027 In stock Polycom Vortex EF2211 Polycom Vortex EF2211

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Dimensions
• 19” (483 mm) W x 9.6” (244 mm) L x 1.75” (45 mm) H
(one rack unit)
Weight
• 4 lbs. (1.8 kg) dry, 5.5 lbs. (2.5 kg) shipping
Connectors
• RS-232: DB9F
• EF Bus In/Out: RJ45
• Telephone Line/Set: RJ11 (2)
• Control /Status: DB25F
• Audio: Mini (3.5mm) quick connect terminal blocks
Power
• External supply (provided)
• Input voltage of 110-240 VAC; 47-63 Hz; power
consumption 25 W
Microphone Input
• -30 dBu to +0 dBu/ -66 dBu to -33 dBu, nominal;
software selectable
Phantom Power
• 24 V, software selectable
Line Inputs
• -20 dBu to +0 dBu, nominal; software adjustable
Line Outputs
• -20 dBu to +0 dBu, nominal; software adjustable
Loudspeaker Output
• 10 W, 4-16 Ohms
Input Impedance
• >10 k Ohms
Output Impedance
• 50 Ohms (drives 600 Ohms)
Headroom
• 20 dB, nominal
Signal to Noise Ratio
• Line level, 0 dB gain: >85dB
Frequency Response
• 20 Hz - 22 kHz
Acoustic Echo Cancellation Span
• 270 ms
Total Cancellation
• >65 dB
Convergence Rate
• 40 dB/second
Noise Cancellation
• 0-15 dB, software selectable
Line Echo Canceller (telephone hybrid)
• Echo cancellation 40 dB, total >65 dB
• Convergence 30 dB/second; cancellation span 32 ms
Operating Temperature
• 0 °- 40 °C
Control Inputs
• Contact closure
Status Outputs
• 5 V, 20 mA each