Polycom Vortex EF2211 User Manual

Vortex EF2211 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
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.
AA -- Enable or Disable Auto Answer Mode
8.2.
ACKMOD -- Enable or Disable Acknowledgment Mode
8.3.
AEC -- Enable or Disable Acoustic Echo Cancellation
8.4.
AECMODE -- Set Amount of Double Talk Suppression used in the AEC.
8.5.
AGC -- Enable or Disable Mic/Line Input Automatic Gain Control
8.6.
AGCMAX -- Set Maximum Allowed Mic/Line Input AGC Gain
8.7.
AGCMIN -- Set Minimum Allowed Mic/Line Input AGC Gain
8.8.
AGCRATE -- Set Ramp Rate of Mic/Line Input AGC
8.9.
AHCP -- Enable or Disable Call Progress Based Auto Hangup
8.10.
AHLD -- Enable or Disable Loop Drop Based Auto Hangup
8.11.
AMASGN -- Assign Inputs to an Automixer
8.12.
AMAUTO -- Select Automatic or Manual Gating for each Automixer Input
8.13.
AMBUSID -- Set Automixer Groupings for EF Bus

Polycom Vortex EF2211 Specifications

Power

input voltage	110-240 VAC
frequency	47-63 Hz
power consumption	25 W
phantom power	24 V

Connectors

RS-232	DB9F
EF Bus In/Out	RJ45
Telephone Line/Set	RJ11
Control/Status	DB25F
Audio	3.5mm quick connect terminal blocks

Audio Specifications

microphone input	-30 dBu to +0 dBu
line inputs	-20 dBu to +0 dBu
line outputs	-20 dBu to +0 dBu
loudspeaker output	10 W, 4-16 Ohms
input impedance	10 k Ohms
output impedance	50 Ohms
headroom	20 dB
signal to noise ratio	85 dB
frequency response	20 Hz - 22 kHz

Echo and Noise Cancellation

total cancellation	65 dB
convergence rate	40 dB/second
noise cancellation	0-15 dB
echo cancellation	40 dB, total >65 dB
convergence	30 dB/second
cancellation span	32 ms
acoustic echo cancellation span	270 ms

Operating Environment

operating temperature	0 °C - 40 °C
status outputs	5 V, 20 mA each

Weight and Dimensions

width	483 mm
length	244 mm
height	45 mm
weight	1.8 kg
shipping weight	2.5 kg