Polycom Vortex EF2280 Reference Manual

VORTEX EF2280 REFERENCE MANUAL
Polycom, Inc., Copyright 2004 1 Technical Support: 800.765.9266
Introduction....................................................................................................3
Product Features .................................................................................................... 4
Pre-Installation...............................................................................................7
EF2280 Front and Rear Panels.............................................................................. 8
Installation .....................................................................................................11
Mounting the EF2280 ............................................................................................. 11
Connecting the EF2280 to Other Equipment ......................................................... 11
Device IDs on the EF Bus....................................................................................... 13
Connecting Multiple Vortex Devises ...................................................................... 13
Factory Default Settings (Preset 0) ........................................................................ 14
Check Surrounding Equipment............................................................................... 16
LCD Menu Structure .....................................................................................19
System Menu ........................................................................................................... 21
Inputs ...................................................................................................................... 22
Outputs.................................................................................................................... 23
Automixer Menu...................................................................................................... 24
Matrix Menu ........................................................................................................... 26
Parametric EQ Menu.............................................................................................. 27
Presets..................................................................................................................... 28
Macros .................................................................................................................... 28
Integrating the EF2280 Into Your System.....................................................29
Input Settings .......................................................................................................... 29
Calibration.............................................................................................................. 29
Build Your Echo Canceller Reference.................................................................... 31
Echo Canceller Reference for Multiple Vortex Devices........................................ 31
Configure the Automatic Microphone Mixer.......................................................... 33
Automixer Settings for Multiple Vortex Devices .................................................... 36
Configure the Matrix Mixer.................................................................................... 37
Building Your System with Multiple Vortex Devices.............................................. 37
Presets..................................................................................................................... 39
Other EF2280 Features.......................................................................................... 39
Troubleshooting .............................................................................................41
Automatic Microphone Mixer................................................................................. 41
Matrix Mixer........................................................................................................... 42
Echo Canceller Reference ...................................................................................... 42
Residual Echo ......................................................................................................... 42
Contacting Technical Support ................................................................................ 47
Conference System Design............................................................................49
Technical Specifications ................................................................................51
Compliance............................................................................................................. 52
EF2280 Block Diagram .................................................................................57
Connector Pinouts..........................................................................................58
Connecting Unbalanced RCA to Balanced Terminal Block................................... 60
Making an EF Bus Terminator............................................................................... 60
Additional Notes ..................................................................................................... 61
Warranty Information ....................................................................................63
Definition of Terms .......................................................................................65
Index ..............................................................................................................69

Polycom Vortex EF2280 Specifications

General

Rack capacity	1U
Frequency range	20 - 20000 Hz
Cancellation span	270 ms
Echo cancellation	65 dB
Phantom power	48 V
Nominal input level	0 dB
Output gain	-100 - 20 dB
Output impedance	33 Ω
Maximum output amplitude	23 dB
RS-232 ports	1
Audio connections	2 x 3.5mm
Parallel ports quantity	2
Input voltage	110 - 240 V
Output current	20 mA
Output voltage	5 V
Input frequency	47/63 Hz
Power consumption (typical)	30 W
Operating temperature (T-T)	0 - 40 °C

Weight and Dimensions

Weight	1800 g
Dimensions (WxDxH)	483 x 244 x 45 mm