Polycom Vortex Series

VORTEX EF2241 REFERENCE MANUAL
Polycom, Inc., Copyright 2002 1 Technical Support: 800.932.2774
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