Polycom Vortex EF2211
Specifications
Part No. 3726-82211-001 Rev. 03/06
www.polycom.com
Polycom Headquarters:
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
Polycom EMEA:
270 Bath Road, Slough, Berkshire SL1 4DX, (T) +44 (0)1753 723000, (F) +44 (0)1753 723010
Polycom Asia Pacific:
Polycom Hong Kong Ltd., Rm 1101 MassMutual Tower, 38 Gloucester Road, Wanchai, Hong Kong, (T) +852.2861.3113, (F)+852.2866.8028
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
©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.
RS-232
EF Bus
Control/
Status
D/A
A/D
TLP
LEC
PEQ
Tone
Gen.
PEQ
Noise
Canceller
AGC
Parameters
On
Off
Mute
On
Off
Parameters
Parameters
TLP (Telephone Line Processing)
Echo
Canceller
Noise
Canceller
R1, R2, Bus
EN (Echo Canceller, Noise Canceller)
PEQ
Gate
Mute
Gated
Ungated
AGC
On
Off
On
Off
On
Off
Parameters
Parameters
Call Prog
Detect
Phone
Telephone
Line
Matrixing
A/D
Level
adjust
+
-
EN
Mic/Line
Phantom
A/D
Level
adjust
+
-
PEQ
1
B
Line
D/A
+ -
B
PEQ
Line
D/A
+ -
A
PEQ
A/D
Level
adjust
+
-
PEQ
A
Line
D/A
+ -
1
PEQ
+ -
Amplifier
Output
AMP
System Block Diagram and Rear Panel
