Introduction | Polycom EF2241 specs

VORTEX EF2241 REFERENCE MANUAL

Introduction	2
Product Features	3
Pre-Installation	5
EF2241 Front and Rear Panels	6
Installation	8
Mounting the EF2241	8
Connecting the EF2241 to Other Equipment	8
Device IDs on the EF Bus	10
Connecting Multiple Vortex Devices	10
Factory Default Settings (Preset 0)	11
Check Surrounding Equipment	13
Integrating the EF2241 Into Your System	15
Input Settings	15
Calibration	15
Set up the Phone Interface	17
Build Your Echo Canceller Reference	17
Echo Canceller Reference for Multiple Vortex Devices	17
Configure the Automatic Microphone Mixer	19
Automixer Settings for Multiple Vortex Devices	21
Configure the Matrix Mixer	22
Building Your System with Multiple Vortex Devices	22
The EF Bus	24
Presets	25
Other EF2241 Features	25
LCD Menu Structure	26
System Menu	28
Phone Control	29
Inputs	30
Outputs	31
Automixer Menu	31
Matrix Menu	34
Parametric EQ Menu	35
Presets	36
Macros	36
Troubleshooting	37
Automatic Microphone Mixer	37
Matrix Mixer	38
Echo Canceller Reference	38
Residual Echo	38
Contacting Technical Support	43
Technical Specifications	44
Compliance	45
Conference System Design	49
EF2241 Block Diagram	50
Connector Pinouts	51
Connecting Unbalanced RCA to Balanced Mini Phoenix	53
Making an EF Bus Terminator	53
Additional Notes	54
Warranty Information	55
Definition of Terms	57
Index	60

Polycom, Inc., Copyright 2002

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Technical Support: 800.932.2774

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Polycom EF2241 manual Introduction

Contents

Vortex EF2241 Reference Manual Page Introduction Introduction Welcome How to Use This Manual Product Features Product RegistrationProduct Inputs Outputs Remote Control What’s Not Included PRE-INSTALLATIONTools Needed for Installation What’s Included EF2241 Front and Rear Panels PRE-INSTALLATION North American Requirement InstallationConnecting the EF2241 to Other Equipment Mounting the EF2241 Codec Typical EF2241 Connections Device IDS on the EF BUS Connecting Multiple Vortex Devices Terminating the EF2241 Factory Default Settings Preset Off Presets Multiple Vortex Devices Pick a Standard Signal LevelCheck Surrounding Equipment Configure Program Audio Sources Input Settings Integrating the EF2241 Into Your SystemCalibration Set Levels on Line Input Channels Customize Setting for Your Particular Application SET UP the Phone InterfaceBuild Your Echo Canceller Reference Echo Canceller Reference for Multiple Vortex Devices Bus Reference Setting up Automixer Parameters Configure the Automatic Microphone Mixer Global Settings Channel Settings Automixer Settings for Multiple Vortex Devices Configure the Matrix Mixer Default SettingsBuilding Your System with Multiple Vortex Devices Assign Inputs Assign Outputs Configure the submatrix EF BUS Presets Other EF2241 FeaturesConfigure Your Echo Canceller Reference 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 Too many microphones are gating TroubleshootingAutomatic Microphone Mixer No microphones are gating Some microphones are not gating Room Audio Sounds Choppy Echo Canceller ReferenceMatrix Mixer Residual Echo 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 Compliance USA and CanadaUS Telco requirements 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 Connecting Unbalanced RCA to Balanced Mini Phoenix Making AN EF BUS TerminatorInstructions Additional Notes RMA# Must be on package Warranty Information State Law Rights What this warranty does not cover Crosspoint Mix Minus Bus Echo CancellerDefinition of Terms Acoustic Echo NOM NOM Attenuation NOM Bus Presets Room Gain Definition of Terms Index NOM Index Page 1725-80098-001-C