Nom | Polycom EF2241 manual

	INDEX
F
Factory Default Settings, Preset 0	11, 13, 15, 22
Front Panel Lock	28
G
Ground	52
Ground, Chassis	53
Ground, Logic Input	52
Ground, Logic Output	52
Ground, Power Supply	52
Ground, RS-232	51
Grounding, Pin 1 Compatible	8
I
Inputs	2, 3, 4, 6, 7, 8, 9, 15
L
LCD Menu	3, 6, 15, 18, 26
Line Echo Cancellation, LEC	44
Line Echo Canceller, LEC	3, 58
Logic Input	7, 25, 52
Logic Output	7, 25, 52
M
Matrix, Matrix Mixer	2, 3, 22, 34
Mic/Line Inputs, Line Inputs, Line Outputs	52
Mix Minus	24, 57
Multiple Vortex Devices	4, 10, 11, 13, 17, 21,
.................................................................................................................	22, 23, 25, 58
N
Noise Cancellation	2, 3, 30, 44, 49, 58
NOM	24, 31, 58
NOM Attenuation	58
NOM Bus	25, 58
Non-volatile Memory Lock	28
O
Outputs	31
P
P Bus	3, 10, 17, 24
Parallel Remote Control	4, 7
Phantom Power	7, 15, 30, 44
Phoenix Connectors	5, 9, 52
Phone	2, 7, 10, 17, 18, 24, 44,

© Polycom, Inc.

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VORTEX EF2241 Reference Manual

Image 65

Polycom EF2241 manual Nom

Contents

Vortex EF2241 Reference Manual Page Introduction Introduction Welcome How to Use This Manual Product Product FeaturesProduct Registration Inputs Outputs Remote Control Tools Needed for Installation PRE-INSTALLATIONWhat’s Included What’s Not Included EF2241 Front and Rear Panels PRE-INSTALLATION Connecting the EF2241 to Other Equipment InstallationMounting the EF2241 North American Requirement Codec Typical EF2241 Connections Device IDS on the EF BUS Connecting Multiple Vortex Devices Terminating the EF2241 Factory Default Settings Preset Off Check Surrounding Equipment Presets Multiple Vortex DevicesPick a Standard Signal Level Configure Program Audio Sources Calibration Input SettingsIntegrating the EF2241 Into Your System Set Levels on Line Input Channels Build Your Echo Canceller Reference SET UP the Phone InterfaceEcho Canceller Reference for Multiple Vortex Devices Customize Setting for Your Particular Application Bus Reference Setting up Automixer Parameters Configure the Automatic Microphone Mixer Global Settings Channel Settings Automixer Settings for Multiple Vortex Devices Building Your System with Multiple Vortex Devices Configure the Matrix MixerDefault Settings Assign Inputs Assign Outputs Configure the submatrix EF BUS Configure Your Echo Canceller Reference PresetsOther EF2241 Features LCD Menu Tree LCD Menu Structure LCD Menu Structure System System Menu Phone Control Phone Control Inputs 1-4, T, A-D Inputs Automixer Menu Outputs Global Settings Mixer Settings Matrix Matrix Menu Input/Output EQ Channel Band Parametric EQ Menu Macros Presets Automatic Microphone Mixer TroubleshootingNo microphones are gating Some microphones are not gating Too many microphones are gating Matrix Mixer Echo Canceller ReferenceResidual Echo Room Audio Sounds Choppy Finding the Source of Echo Room Gain Room Gain Excessive Room Gain In-Conference Quick Check Excessive Microphone Amplification Nonlinearity Insufficient Email vortex@polycom.com Contacting Technical Support Technical Specifications US Telco requirements ComplianceUSA and Canada Canadian Telco Requirements Automatic Dialing Telco Connector Rest of World Australia This page was intentionally left blank CE Mark R& TTE Directive Vortex EF2241 Reference Manual Technical Support Noise and Reverberation Consider Room Gain Conference System Design EN Echo Canceller, Noise Canceller EF2241 Block Diagram EF Bus Connector Pinouts Input/Output Remote Control Port Instructions Connecting Unbalanced RCA to Balanced Mini PhoenixMaking AN EF BUS Terminator Additional Notes RMA# Must be on package Warranty Information State Law Rights What this warranty does not cover Definition of Terms Echo CancellerAcoustic Echo Crosspoint Mix Minus Bus NOM NOM Attenuation NOM Bus Presets Room Gain Definition of Terms Index NOM Index Page 1725-80098-001-C