Polycom Vortex EF2241 Brochure & Specs

Polycom Vortex EF2241 Specifications
Part No. 3726-82241-001 Rev. 10/04
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
• Control /Status: DB25F
• Telephone Line/Set: RJ11
• Audio: Mini (3.5mm) quick connect terminal blocks
Power
• External supply (provided)
• Input voltage of 110-240 VAC; 47-63 Hz; power
consumption 30 W
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 (0.775 V 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
(drives 600 Ohms)
• Output EMI Filter: Pi filter on all audio outputs
Amplifier
• Maximum Output Power: 8 Ohm, >10 W, 20 - 20,000 Hz,
+ 0.2 /- 0.5 dB
• Signal to noise ratio: 8 Ohm, >90 dB "A" weighted,
20 - 20,000 Hz
• Impedance: 4-16 Ohm
Telephone
• Input gain: -100 to +20 dB in 1 dB steps, software
adjustable
• Nominal transmit level: 0 dBu in Vortex yields -15 to
-17 dBm to phone (country code dependent)
• Off hook loop current: 16 mA (minimum) to 120 mA
(maximum)
• Output gain: -100 to +20 dB in 1 dB steps, sofware
adjustable
• Frequency response: 250-3300 Hz
• Dynamic range: >70 dB FS, 250-3300 Hz, "A" weighted
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
• Line Echo cancellation (telephone hybrid)
- Echo cancellation: 40 dB, total > 60 dB
- Convergence Rate: 30 dB/second
- Cancellation span: 32 ms
*Unless noted, all values are valid for all channels at
line level
©2004 Polycom, Inc. All rights reserved.
Polycom, the Polycom logo, and Vortex are registered trademarks and SoundStation VTX 1000, VSX, Conference Composer and InstantDesigner 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 1.770.641.4400.
System Block Diagram and Rear Panel
Echo
Canceller
Noise
Canceller
R1, R2, Bus
A/D
Level
adjust
Mic/Line 2
+-
EN
Delay
+-
A/D
Level
adjust
Mic/Line 1
+-
EN
Delay
+-
A/D
Level
adjust
Mic/Line 3
+-
EN
Delay
+-
A/D
Level
adjust
Mic/Line 4
+-
EN
Delay
+-
A/D
Input A
+-
PEQ
Delay
+-
A/D
Level
adjust
Input B
+-
Delay
+-
A/D
Level
adjust
Input C
+-
Delay
+-
A/D
Level
adjust
Input D
+-
Delay
+-
Output 1 Output 2 Output 3 Output 4 Output A Output B Output C Output D
RS-232
EF Bus
Control/Status
Level
adjust
Line
Line Line Line Line Line Line Line
Mic/Line
Phantom
Mic/Line
Phantom
Mic/Line
Phantom
Mic/Line
Phantom
Matrixing
D/A
Amplifier
Output
PEQ GateMute
Gated
Ungated
AGC
On OffOn OffOn Off
Parameters
A/D
Delay
Phone
Telephone
Line
TLP
+-
AMP
PEQ
Noise
Canceller
Call Prog
Detect
AGC
Parameters
On Off
LEC
PEQ
Mute
On Off
Parameters
Parameters
Parameters
TLP (Telephone Line Processing)
PEQ
PEQ
PEQ PEQ
PEQ PEQ PEQ PEQ PEQ
Tone
Gen.
EN (Echo Canceller, Noise Canceller)
D/A
D/A
D/A D/A
D/A D/A D/A D/A
D/A
AGC
PEQ
AGC
PEQ
AGC
PEQ
AGC

Polycom Vortex EF2241 Specifications

General

Brand	Polycom
Model	Vortex EF2241
Category	Telephone Accessories
Language	English