Polycom manual Factory Default Settings Preset, Terminating the EF2241

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INSTALLATION

Terminating the EF2241

The EF2241 is self-terminating so if you are connecting multiple EF2241s, the EF Bus does NOT need to be terminated. However, if you are linking the EF2241 to EF2280s, terminate the EF Bus link.

EF Bus Terminator

Vortex EF2280

Cat-5 cable

...

Cat-5 cable

Vortex EF2280

C

a

t - 5

c

a

b

l e

Vortex EF2241

No Terminator Needed

Figure 7. Only the EF2280 needs to be terminated when linked together with

EF2241s.

FACTORY DEFAULT SETTINGS (PRESET 0)

The following is a list of the factory default settings of the EF2241. Since the micro- phones and other equipment in your application may have different nominal levels, you can start with a FACTORY PRESET (Presets 0-15), change it to match your envi- ronment and then save it within the EF2241 as a USER PRESET (Presets 16-47). Once you’ve saved a USER PRESET, set the POWER ON PRESET to that USER PRESET (or

© Polycom, Inc.

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VORTEX EF2241 Reference Manual

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Contents Vortex EF2241 Reference Manual Page Introduction Introduction Welcome How to Use This ManualProduct Registration Product FeaturesProduct Inputs Outputs Remote Control Tools Needed for Installation PRE-INSTALLATIONWhat’s Included What’s Not IncludedEF2241 Front and Rear Panels PRE-INSTALLATION Connecting the EF2241 to Other Equipment InstallationMounting the EF2241 North American RequirementCodec Typical EF2241 ConnectionsDevice IDS on the EF BUS Connecting Multiple Vortex DevicesTerminating the EF2241 Factory Default Settings PresetOff Pick a Standard Signal Level Presets Multiple Vortex DevicesCheck Surrounding Equipment Configure Program Audio Sources Integrating the EF2241 Into Your System Input SettingsCalibration 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 ApplicationBus Reference Setting upAutomixer Parameters Configure the Automatic Microphone MixerGlobal Settings Channel Settings Automixer Settings for Multiple Vortex DevicesDefault Settings Configure the Matrix MixerBuilding Your System with Multiple Vortex Devices Assign Inputs Assign Outputs Configure the submatrixEF BUS Other EF2241 Features PresetsConfigure Your Echo Canceller Reference LCD Menu Tree LCD Menu StructureLCD Menu Structure System System MenuPhone Control Phone ControlInputs 1-4, T, A-D InputsAutomixer Menu OutputsGlobal Settings Mixer Settings Matrix Matrix MenuInput/Output EQ Channel Band Parametric EQ MenuMacros PresetsAutomatic Microphone Mixer TroubleshootingNo microphones are gating Some microphones are not gating Too many microphones are gatingMatrix Mixer Echo Canceller ReferenceResidual Echo Room Audio Sounds ChoppyFinding the Source of Echo Room Gain Room Gain Excessive Room GainIn-Conference Quick Check Excessive Microphone Amplification Nonlinearity InsufficientEmail vortex@polycom.com Contacting Technical SupportTechnical Specifications USA and Canada ComplianceUS Telco requirements Canadian Telco Requirements Automatic Dialing Telco ConnectorRest of World AustraliaThis page was intentionally left blank CE Mark R& TTE Directive Vortex EF2241 Reference Manual Technical Support Noise and Reverberation Consider Room Gain Conference System DesignEN Echo Canceller, Noise Canceller EF2241 Block DiagramEF Bus Connector PinoutsInput/Output Remote Control Port Making AN EF BUS Terminator Connecting Unbalanced RCA to Balanced Mini PhoenixInstructions Additional Notes RMA# Must be on package Warranty InformationState Law Rights What this warranty does not coverDefinition of Terms Echo CancellerAcoustic Echo Crosspoint Mix Minus BusNOM NOM Attenuation NOM Bus Presets Room GainDefinition of Terms Index NOM Index Page 1725-80098-001-C