Polycom Vortex EF2280 Reference Manual

INSTALLATION
© Polycom, Inc. 15 VORTEX EF2280 Reference Manual
SET to that USER PRESET (or whichever preset you want to come up after power
up). The unit will need to be configured for your system.
PROGRAM PARAMETERS FACTORY DEFAULT PRESET VALUE
SYSTEM PARAMETERS
Preset 0
Device ID 0
AUTOMIX PARAMETERS
Chairman Mode Off
Decay Time 1000 ms
Hold Time 500 ms
Last Mic On Mode On (on Automixer 1)
Max NOM per Automixer 8
Off Attenuation -15 dB
INPUT CHANNELS
Acoustic Echo Cancellation On
Automatic Gain Control (AGC) On
Automixer 1
Echo Canceller Reference Ref1
Filtering Off
Gate Priority 1
Gate Ratio 10 dB
Gate Threshold Adaptive
Gating Auto
Input Gains 15 dB for Inputs 1-8
0 dB for Inputs A-D
Manual Threshold 60 dB
Mute Off
Noise Cancellation On
Noise Cancellation Level 10 dB
Phantom Power On
OUTPUT CHANNELS
Mute Off
NOM Attenuation On for Outputs 1-8
On for Outputs A-D
Output Gain 0 dB

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