Specifications - Polycom Vortex EF2211 Brochure & Specs

Polycom Vortex EF2211
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
System Block Diagram and Rear Panel
Amplifier 1
Output
Line
+ -
+ -
AMP
D/A
PEQ
EN
A/D
Level
adjust
Phantom
Mic/Line
+ -
1
EN (Echo Canceller, Noise Canceller)
Echo Noise
Canceller Canceller
On Off
R1, R2, Bus
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Specifications

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
A B
Line
Line
+ - + -
D/A D/A
Tone
PEQ PEQ PEQ
Gen.
Matrixing
PEQ PEQ TLP
A/D A/D
Level Level
adjust
adjust
+ - + -
A B
AGC PEQ Mute Gate
On Off On Off
Parameters Parameters
©2006 Polycom, Inc. All rights reserved.
Polycom, the Polycom logo and Vortex are registered trademarks of Polycom, Inc. in the U.S. and various countries. All other trademarks are the property of their respective
owners. Information in this document is subject to change without notice.
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. 3726-82211-001 Rev. 03/06
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
RS-232
EF Bus
Control/
Status
Phone
D/A
LEC
Telephone
Line
A/D
TLP (Telephone Line Processing)
Ungated
Noise
PEQ AGC
Canceller
Gated
On Off
Parameters Parameters
Call Prog
Mute
Detect
On Off
Parameters