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 (2)
Power
• External supply (provided)
• Input voltage of 110-240 VAC; 47-63 Hz; power
consumption 15 W (typical)
Microphone Input
• -30 dBu to +0 dBu/ -66 dBu to -33 dBu, nominal;
software selectable
Control Inputs
• Contact closure
Status Outputs
• 5 V, 20mA each
Headroom
• 20 dB, nominal
Frequency Response
• 250 Hz - 3.6 kHz on telephony interface
Line Echo Canceller (telephone hybrid)
• Echo cancellation 40 dB, total 60 dB
• Convergence 30 dB/second
• Cancellation span 32 msec
Part No. 3726-82201-001 Rev. 03/03
www.polycom.com
Polycom, Inc.:
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 Hong Kong Ltd.:
Polycom Hong Kong Ltd., Rm 1101 MassMutual Tower, 38 Gloucester Road, Wanchai, Hong Kong, (T) +852.2861.3113, (F)+852.2866.8028
©2003 Polycom, Inc. All rights reserved.
Polycom, the Polycom logo, and Vortex are registered trademarks and The Polycom
Office is a trademark 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.
RS-232
EF Bus
Control/Status
Matrixing
D/A
A/D
TLP
PEQ
Noise
Canceller
Call Prog
Detect
AGC
Parameters
On
Off
LEC
PEQ
Mute
On
Off
Parameters
Parameters
TLP (Telephone Line Processing)
Tone
Gen.
Phone
Telephone Line
System Block Diagram and Rear Panel
EF Bus
Telephone Line
Typical EF2201 Installation
Polycom Vortex EF2201
Technical Specifications
