Polycom Vortex EF2280 User Manual

Vortex EF2280 Programming Guide
Table of Contents
1. Introduction
2.
RS-232 Hardware
3.
Programming Tips
3.1.
Initialization
3.2.
Wildcard Characters
3.3.
Using Acknowledgements
3.4.
Macros and Presets
3.5.
Automixer Dependencies
4.
Command Structure
4.1.
Device Type
4.2.
Device ID
4.3.
Command Name
4.4.
Command Data
4.5.
Command Terminator
4.6.
Examples
5.
Status Messages
6.
Command Types
6.1.
Boolean Commands
6.2.
Integer Commands
6.3.
Channel Commands
6.4.
Matrix Commands
6.5.
Miscellaneous Commands
7.
Command List
8.
Command Reference
8.1.
ACKMOD -- Enable or Disable Acknowledgment Mode
8.2.
AEC -- Enable or Disable Acoustic Echo Cancellation
8.3.
AECMODE -- Set Amount of Double Talk Suppression used in the AEC.
8.4.
AGC -- Enable or Disable Mic/Line Input Automatic Gain Control
8.5.
AGCMAX -- Set Maximum Allowed Mic/Line Input AGC Gain
8.6.
AGCMIN -- Set Minimum Allowed Mic/Line Input AGC Gain
8.7.
AGCRATE -- Set Ramp Rate of Mic/Line Input AGC
8.8.
AMASGN -- Assign Inputs to an Automixer
8.9.
AMAUTO -- Select Automatic or Manual Gating for each Automixer Input
8.10.
AMBUSID -- Set Automixer Groupings for EF Bus
8.11.
AMCHAIR -- Enable Chairman Mode for Specified Automixer
8.12.
AMCHNUM -- Set Chairman Mic for Specified Automixer
8.13.
AMDECAY -- Set Decay Time for Automixers
8.14.
AMGATEC -- Set Automixer Gating Control Mode
8.15.
AMGATER -- Set Automixer Gate Ratio
8.16.
AMGATET -- Set Automixer Gate Threshold
8.17.
AMGNOM -- Set Global Maximum Number of Open Mics for Bus Automixer
8.18.
AMHOLD -- Set Automixer Hold Time
8.19.
AMLMM -- Set Last Mic On Mode for Specified Automixer

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