Polycom Vortex EF2280 Brochure & Specs page 2

Polycom Vortex EF2280
System Block Diagram and Rear Panel
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
• 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 consump-
tion 30 W
Polycom Headquarters:
www.polycom.com
Polycom EMEA:
Polycom Asia Pacific:
Specifications
Inputs
• Phantom power: 48 V DC, software selectable
• Analog input Gain: 0 to 30 dB Mic/line inputs in 1 dB
steps, software adjustable
• Mic/Line switch gain: 33 dB
• Maximum input amplitude: +19 dBu, 1% THD + N
• Nominal level: 0 dBu (0.775V rms)
• Equivalent input noise: <-124 dBu, 20 - 20,000 Hz
• Input Impedance: 10 kOhms
• Input EMI Filter: Pi filter on all audio inputs
Outputs
• Output Gain: -100 to 20 dBu in 1 dB steps, software
adjustable
• Maximum output amplitude: +23 dBu, 1% THD + N
• Nominal output level: 0 dBu (0.775 V rms)
• Output impedance: 33 Ohm, each leg to ground
• Output EMI Filter: Pi filter on all audio outputs
©2004 Polycom, Inc. All rights reserved.
Polycom, the Polycom logo and Vortex are registered trademarks and SoundStation VTX 1000, Conference Composer, InstantDesigner and VSX are trademarks of Polycom, Inc. in
the U.S. and various countries. All other trademarks are the property of their respective companies. Specifications subject to change without notice. For Architect's and Engineer's
Specifications, please visit Polycom.com, or contact the Installed Voice Business Group at 1.770.350.4140.
4750 Willow Road, Pleasanton, CA 94588 (T) 1.800.POLYCOM (765.9266) for North America only.
For North America, Latin America and Caribbean (T) +1.925.924.6000, (F) +1.925.924.6100
270 Bath Road, Slough, Berkshire SL1 4DX, (T) +44 (0)1753 723000, (F) +44 (0)1753 723010
Polycom Hong Kong Ltd., Rm 1101 MassMutual Tower, 38 Gloucester Road, Wanchai, Hong Kong, (T) +852.2861.3113, (F)+852.2866.8028
Part No. 3726-82280-001 Rev. 10/04
System*
• Frequency response: 20-20,000 Hz, + 0.2 /- 0.3 dB
• Idle channel noise: <-100 dB FS "A" weighted, 20 - 20,000
Hz, 0 dB gain
• Dynamic range: >100 dB FS "A" weighted, 20 - 20,000 Hz,
0 dB gain
• Linearity: 0 dB FS to -110 dB FS +/- 1 dB
• THD+N: < -90 dB FS
• Common Mode Rejection Ratio: <-61 dB, 20 - 20,000 Hz,
no weighting
• Cross talk: <-104 dB, 20-20,000 Hz, channel-to-channel
• Latency: Mic/Line inputs to outputs: 13 ms, processing
enabled
• Acoustic Echo Cancellation Span: 270 ms
• Total Cancellation: >65 dB
• Convergence Rate: 40 dB/second
• Noise cancellation: 0-15 dB, software selectable
• Operating Temperature: 0° - 40° C
• Control Inputs: Contact closure
• Status Outputs: 5 V, 20 mA each
*Unless noted, all values are valid for all channels at line level