Clear One Converge Pro 880 User manual

CONVERGE™ PRO 880/840T/TH20/8i Professional Conferencing Systems
INSTALLATION & OPERATION MANUAL

CONVERGE PRO 880/840T/TH20/8i
INSTALLATION & OPERATION MANUAL
CLEARONE PART NO. 800-151-880 (REVISION 1.1) August 2007
© 2007 ClearOne Communications, inc. All rights reserved. No part of this document may be
reproduced in any form or by any means without written permission from ClearOne Communications.
Printed in the United States of America. ClearOne reserves specific privileges. Information in this
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TECHNICAL SUPPORT
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Email [email protected]
Web www.clearone.com

TABLE OF CONTENTS
CHAPTER 1: INTRODUCTION 1
Converge Pro Product Family Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Converge Pro Product Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Customer Service and Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Product Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Warranty Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Operating Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
System Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Unpacking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Controls and Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
CHAPTER 2: EXPANSION BUS & LCD PROGRAMMING 19
Expansion Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Device IDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
LCD Programming Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
LCD Channels Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
LCD Settings Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
LCD Macros Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
LCD Preset Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
CHAPTER 3: CONVERGE CONSOLE PROGRAMMING 29
Installing Converge Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Converge Console Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Site File Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Connect to a Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Site Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Unit Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Configuration Mode Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Unit Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Channel Tab Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
AEC (Acoustic Echo Cancellation) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
NC (Noise Cancellation) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
AGC/ALC Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Mic Gating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Mic Input Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Line Input Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Telco Rx Settings (840T And TH20) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Output Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Telco Tx Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Processing Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Fader Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Matrix Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
AEC Reference Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Macro Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

TABLE OF CONTENTS (CONTINUED)
Gating Tab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Control Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
String Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Event Scheduler Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Database Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Optimizing Gain Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Drag and Drop Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Preset Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
File Menu Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Print Reports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
View Menu Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Add Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Connect Menu Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Modes Menu Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Services Menu Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Dialer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Phonebook (840T and TH20) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Label Editor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Device Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Web Builder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Firmware Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Debug Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Execute Presets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
APPENDIX A: SERIAL COMMAND GUIDE 195
Type and Device IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Command Form Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Groups and Channels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Meter Type Definitions Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Serial Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
APPENDIX B: DEFAULT PINOUTS 243
APPENDIX C: SPECIFICATIONS 247
APPENDIX D: COMPLIANCE 255
GLOSSARY 259

Chapter 1: Introduction 1
CHAPTER 1: INTRODUCTION
CONVERGE PRO PRODUCT FAMILY OVERVIEW
Congratulations on purchasing a ClearOne® Converge™ Pro audio conferencing solution. The Converge™ Pro
product family represents a revolutionary advance in state-of-the-art audio technology for large-scale conferencing
applications.
ClearOne® Communications introduced its first audio conferencing products to the market in 1990 under the
brand name Gentner®. Since that time, four generations of products have been produced, each offering improved
performance and reliability. Our commitment remains to provide the highest quality audio for all conferencing
environments.
With over 80,000 installations in customer sites ranging from Fortune 1000 companies to the federal government,
ClearOne products are used in the most demanding applications, where they consistently deliver industry-leading
audio quality and unsurpassed reliability. ClearOne’s fourth-generation Acoustic Echo Cancellation (AEC), which
forms the foundation of the Converge™ Pro product family, is optimized for today’s distributed conferencing
environments. AEC, combined with noise cancellation, automatic gain and level control, advanced microphone
gating, and numerous other ClearOne innovations, deliver crystal-clear audio that is equivalent to conferencing
participants being in the same room.
Applications
The Converge Pro product family delivers best-in-class, scalable conferencing solutions for any size venue. Some
common applications include:
Boardrooms
Training rooms
Courtrooms
Multimedia rooms
Distance learning
Auditoriums
Houses of worship
Sound reinforcement
Large meeting venues
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Models
The Converge™ Pro product family includes the following models:
Converge™ Pro 880
Converge™ Pro 840T
Converge™ Pro TH20
Converge™ Pro 8i
Common Benefits
All products in the Converge™ Pro product family offer the following benefits:
Superior audio quality
ClearOne®’s next generation signal processing algorithms
Field-proven conferencing technology
Flexible configuration and expandability
Improved software interface
Simplified programming
Reduced installation times
Best-in-class processing speed
ClearOne®’s world-class customer service, technical support, and field engineering
Common Features
The leading-edge features common to all products in the Converge™ Pro family include:
USB type B connector on front panel
Dual RJ-45 Ethernet ports
Dual RJ-45 E-bus (expansion bus) ports
TDM (Time Division Multiplexed) mix/minus audio and control buses
RS-232 serial port (up to 115,200 bps)
Dual DB-25 control/status GPIO Ports
Mini-phoenix audio input/output connectors (color-coded by channel type)
Differential inputs and outputs
Feature Enhancements
Converge™ Pro feature enhancements include:
Next generation ClearOne®Distributed Echo Cancellation®—four or eight input digital signal processors
(DSPs) improve full-duplex performance and remove echo in the most difficult acoustic environments.
New PTT (Push-to-Talk) microphone compatibility provides greater design and configuration flexibility.
Advanced noise cancellation reduces background noise caused by fans, HVAC systems, and other relatively
constant background noise sources.
Four or eight independent signal processing blocks with 15 user-configurable filters (including all pass,
low pass, high pass, low shelving, high shelving, and parametric), delay, and compression. ClearOne®’s
unparalleled processing power enables you to use all of these features simultaneously in any combination,
allowing you to deliver optimized audio configurations for every environment and application.
Enhanced expansion bus capabilities—connect up to 28 Converge Pro units together and use up to 64
microphones and 16 phone lines for a single site.
Increased distance between units—up to 200 feet/60.96 meters.
Graphical, user-configurable routing matrix allows you to route any input channel to any output, processing,
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Chapter 1: Introduction 3
or fader channel (or combination thereof) on any Converge™ Pro unit, or across the expansion bus.
Front panel control of mute and gain for all input and output channels.
Safety mute button on the Console™ software button bar instantly mutes all outputs.
ClearOne®’s DSP (Digital Signal Processing) technology ensures crystal-clear audio between
teleconferencing sites.
AEC (Acoustical Echo Cancellation) Enhancements
Smoothing filters to reduce artifacts
Pre-AEC bypass channels
Improved AEC adaption and noise suppression algorithms
Automated Push-to-Talk microphone mode with AEC freezing
Gain and gating control tracking
Cross point gain adjustments
Four fader channels
Microphone preamp gain control
7 dB coarse gain and .5 dB fine gain increments for improved microphone gain matching
AGC (Automatic Gain Control) algorithm
ALC (Automatic Level Control) algorithm
Telephone Hybrid Enhancements (840T and TH20)
Custom telephone line settings for international teleconferencing and in-country localization
Type I & Type II auto-sensing telephone interface (U.S./E.U.)
International impedance matching
Improved TEC (Telco Echo Cancellation) with 31 millisecond tail time
Continual TEC adaptation to telephone line conditions
ClearEffect™ wideband audio emulation algorithm
Digital anti-alias filter minimizes CO switching noise and hum
ALC (Automatic Level Control) on telco receive channel
Improved call management and processing
Adjustable dial tone, DTMF attenuation
Off-hook DTMF generation
Robust dial tone detection
Ringer selection
Caller ID
Touch-tone dialing capability (44 character dial string)
Analog telephone line compatibility
10 W speaker amplifier (840T only)
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CONVERGE PRO PRODUCT DESCRIPTIONS
Converge Pro 880
The successor to the industry-leading XAP® 800. As the flagship product in ClearOne’s next-generation
Converge Pro professional audio conferencing product line, the 880 delivers rich functionality with improved audio
performance, enhanced management, and simplified configuration for audio conferencing and sound reinforcement
applications.
Converge Pro 880 advantages include:
Advanced Conferencing Feature Set
Next-generation Acoustic Echo Cancellation
Improved duplex performance
Push-to-talk microphone compatibility
Next-generation Noise Cancellation
Adaptive modeling to room ambient noise conditions
Increased resolution on Microphone Preamp stage
0-56 dB in 7 dB increments
Pre-AEC routing for sound reinforcement applications
Maximum of 4 millisecond processing delay
Management Improvements
Integrated Ethernet and USB connections
SNMP and HTML remote management agents with SMTP email alerts
Web-based, customizable user and control consoles
Event scheduler
Diagnostic console
Simplified Configuration Software
Drag & drop A/V and channel objects
Selectable Console views—Unit, Matrix, and Channel
Expanded serial command set
Superior Audio Performance
Next-generation Distributed Echo Cancellation® on every mic input
First-mic priority delivers clear audio to the far end
20 Hz-22 kHz bandwidth for full-range audio response
ALC & AGC keep participants’ audio balanced and consistent
Configuration Flexibility
Scalable – link multiple Converge Pro units (880, 840T, 8i, TH20) for extensive microphone coverage and up
to 16 phone lines
Enhanced expansion bus, featuring 12 mix-minus audio buses for routing between units
Eight mic gating groups (four internal & four global) allow separation of mics into individual mixer gating
groups for greater configuration flexibility
32 presets can be executed on-the-fly without disturbing other ongoing preset operations
255 Macros for customized audio control/configuration with single command execution
Conferencing Capability
Link with multiple Converge Pro units for a total of up to 16 telephone lines and 64 mic inputs
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Chapter 1: Introduction 5
Converge Pro 840T
The successor to the industry-leading XAP® 400. Leveraging the rich functionality of the flagship ConvergeTM
Pro 880, the new 840T includes a built-in telephone interface and power amplifier for standalone conferencing
applications. It also provides expansion capability with other ConvergeTM Pro mixers for complex installations.
Converge Pro 840T advantages include:
Advanced Telephone Conferencing Feature Set
Signal Processing Improvements
Telephone noise cancellation on RX channel
ClearEffect speech enhancement
Automatic level control on RX channel
Caller ID
Selectable ringers
Advanced Conferencing Feature Set
Next-generation Acoustic Echo Cancellation
Improved duplex performance
Push-to-talk microphone compatibility
Next-generation Noise Cancellation
Adaptive modeling to room ambient noise conditions
Increased resolution on Microphone Preamp stage
0-56 dB in 7 dB increments
Pre-AEC routing for sound reinforcement applications
Maximum of 4 millisecond processing delay
Management Improvements
Integrated Ethernet and USB connections
SNMP and HTML remote management agents with SMTP email alerts
Web-based, customizable user and control consoles
Event scheduler
Diagnostic console
Simplified Configuration Software
Drag & drop A/V and channel objects
Selectable Console views—Unit, Matrix, and Channel
Expanded serial command set
Superior Audio Performance
Next-generation Distributed Echo Cancellation® on every mic input
First-mic priority delivers clear audio to the far end
20 Hz-22 kHz bandwidth for full-range audio response
ALC & AGC keep participants’ audio balanced and consistent
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Converge Pro 840T (Continued)
Configuration Flexibility
Scalable – link multiple Converge Pro units (880, 840T, 8i, TH20) for extensive microphone coverage and up
to 16 phone lines
Enhanced expansion bus, featuring 12 mix-minus audio buses for routing between units
Eight mic gating groups (four internal & four global) allow separation of mics into individual mixer gating
groups for greater configuration flexibility
32 presets can be executed on-the-fly without disturbing other ongoing preset operations
255 Macros for customized audio control/configuration with single command execution
Conferencing Capability
Link with multiple Converge Pro units for a total of up to 16 telephone lines and 64 mic inputs
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Chapter 1: Introduction 7
Converge Pro 8i
An input-only expansion box for the Converge Pro platform. The 8i delivers new economical configuration flexibility.
It can be added to 880, 840T, and TH20 systems for additional mic and line inputs, allowing customers to match the
number of inputs and outputs required for audio conferencing and sound reinforcement installations.
Converge Pro 8i advantages:
Advanced Conferencing Feature Set
Economical Mic/Line only mixer for large configurations where additional output channels are not required
Next-generation Acoustic Echo Cancellation
Improved duplex performance
Push-to-talk microphone compatibility
Next-generation Noise Cancellation
Adaptive modeling to room ambient noise conditions
Increased resolution on Microphone Preamp stage
0-56 dB in 7 dB increments
Pre-AEC routing for sound reinforcement applications
Maximum of 4 millisecond processing delay
Management Improvements
Integrated Ethernet and USB connections
SNMP and HTML remote management agents with SMTP email alerts
Web-based, customizable user and control consoles
Event scheduler
Diagnostic console
Simplified Configuration Software
Drag & drop A/V and channel objects
Selectable Console views—Unit, Matrix, and Channel
Expanded serial command set
Superior Audio Performance
Next-generation Distributed Echo Cancellation® on every mic input
First-mic priority delivers clear audio to the far end
20 Hz-22 kHz bandwidth for full-range audio response
ALC & AGC keep participants’ audio balanced and consistent
Configuration Flexibility
Scalable – link multiple Converge Pro units (880, 840T, 8i, TH20) for extensive microphone coverage and up
to 16 phone lines
Enhanced expansion bus, featuring 12 mix-minus audio buses for routing between units
Eight mic gating groups (four internal & four global) allow separation of mics into individual mixer gating
groups for greater configuration flexibility
32 presets can be executed on-the-fly without disturbing other ongoing preset operations
255 Macros for customized audio control/configuration with single command execution
Conferencing Capability
Link with multiple Converge Pro units for a total of up to 16 telephone lines and 64 mic inputs
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8 Technical Services: 800-283-5936
Converge Pro TH20
The successor to the industry-leading XAP® TH2. The TH20 enables conference call functionality for ConvergeTM
Pro installations with its single telephone line connection. Up to 16 units can be linked for greatly expanded
conferencing capability. It also adds two line-level inputs and outputs for increased system capacity.
Converge Pro TH20 advantages:
Advanced Telephone Conferencing Feature Set
Signal Processing Improvements
Telephone noise cancellation on RX channel
ClearEffect speech enhancement
Automatic level control on RX channel
Caller ID
Selectable ringers
Increased I/O capabilities
Two line level inputs and two line-level outputs
Audio Expansion bus (E-bus)
Management Improvements
Integrated Ethernet and USB connections
SNMP and HTML remote management agents with SMTP email alerts
Web-based, customizable user and control consoles
Event scheduler
Diagnostic console
Simplified Configuration Software
Drag & drop A/V and channel objects
Selectable Console views—Unit, Matrix, and Channel
Expanded serial command set
Superior Audio Performance
Next-generation Distributed Echo Cancellation® on every mic input
20 Hz-22 kHz bandwidth for full-range audio response
AGC on line inputs keeps audio balanced and consistent
Configuration Flexibility
Scalable – link multiple Converge Pro units (880, 840T, 8i, TH20) for extensive microphone coverage and up
to 16 phone lines
Enhanced expansion bus, featuring 12 mix-minus audio buses for routing between units
Eight mic gating groups (four internal & four global) allow separation of mics into individual mixer gating
groups for greater configuration flexibility
32 presets can be executed on-the-fly without disturbing other ongoing preset operations
255 Macros for customized audio control/configuration with single command execution
Conferencing Capability
Link with multiple Converge Pro units for a total of up to 16 telephone lines and 64 mic inputs
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Chapter 1: Introduction 9
CUSTOMER SERVICE AND SUPPORT
ClearOne is committed to providing best-in-class customer service and support. If you need assistance installing,
configuring, or operating your Converge Pro system, or if you have questions about ClearOne products or services,
please contact us at one of the locations listed below. ClearOne also welcomes your comments and suggestions so
we can continue to improve our products and serve our customers’ needs.
ClearOne on the Web
Corporate Website: www.clearone.com
Sales Email: [email protected]
Tech Support Email: [email protected]
North America (Worldwide Headquarters)
ClearOne Communications
Edgewater Corporate Park, South Tower
5225 Wiley Post Way, Suite 500
Salt Lake City, Utah 84116 USA
Telephone: [phone]
Fax: [phone]
Toll-Free: 800-945-7730
Tech Support: 800-283-5936
Latin America
Telephone: [phone]
Fax: [phone]
Sales Email: [email protected]
Tech Support Email: [email protected]
EMEA
Telephone: [phone]
Sales Email: [email protected]
Tech Support Email: [email protected]
APAC
Telephone: [phone]
Sales Email: [email protected]
Tech Support Email: [email protected]
PRODUCT REGISTRATION
Register your Converge Pro product(s) online at http://www.clearone.com/support/registration.php?content=main.
Registering your Converge Pro product(s) enables ClearOne to provide you with better technical assistance, and
to notify you of important information regarding your Converge Pro product including available upgrades, technical
bulletins, and new product information.
WARRANTY INFORMATION
ClearOne Communications, Inc. warrants that this Converge Pro product is free of defects in both material and
workmanship. For complete warranty information including length, coverage, and limitations, visit
http://www.clearone.com/support/warranty.php?content=main

10 Technical Services: 800-283-5936
OPERATING REQUIREMENTS
Power
Converge Pro devices automatically accommodate voltages of 100–240 VAC, 50/60 Hz, 15 W.
Telephone
Converge Pro devices operate on a standard analog telephone line and connect to the telephone system with a
standard RJ-11 modular jack. If you do not have an RJ-11 jack where you want to install your Converge Pro, call
your local telephone company for installation. Converge Pro 840T and TH20 can be configured to meet compliance
requirements of different countries via the Console software.
Equipment Placement
Converge Pro devices are designed for installation in a standard 19-inch equipment rack.
Environmental
Converge Pro devices are designed to operate at ambient unit temperatures between 14° F (-10° C) and 122° F (50° C).
SYSTEM REQUIREMENTS
The Converge Pro Console software minimum system requirements are:
Supported Operating Systems
Windows XP
Windows 2000
Windows Vista
Minimum System Requirements
Processor: 300 Mhz Pentium III (or AMD equivalent)
RAM: 256 Megabytes RAM
Video: 1024x768 SVGA (16 bit)
Hard Drive: 40 Megabytes
Network: 10/100 Mbps Ethernet
USB Port: Version 1.0
CD Drive: CD/DVD ROM
Minimum Software Requirements
Browser: Microsoft Internet Explorer version 4.0 or higher
Adobe Flash: Version 9.0 or higher
Java: Sun Microsystems’ Java Runtime Environment version 6.0 or higher
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WARNING: The country code must be set correctly in Console to ensure that the unit operates properly
when connected to the telco network, and that it complies with the country’s telco requirements.
Changing this code to a country other than the intended country of operation might cause Converge Pro
devices to be non-compliant.

Chapter 1: Introduction 11
UNPACKING
Use the pack-out diagrams below to verify that you received all components for your Converge Pro product.
NOTE: ClearOne is not responsible for product damage incurred during shipment. You must
make claims directly with the carrier. Inspect your shipment carefully for obvious signs
of damage. If the shipment appears damaged, retain the original boxes and packing
material for inspection by the carrier. Contact your carrier immediately.
Converge Pro 880 Package Contents
CABLE ASSEMBL Y, RJ45/RJ45 18"
830-150-004 (QTY 1)
CD, MANUAL CONVERGE 880/840/TH20
800-151-881 (QTY 1)
MANUAL, CONVERGE 880
800-151-880 (QTY 1)
CABLE ASSY , USB A-B TYPE 6FT
830-153-001 (QTY 1)
PWR CORD, MOLDED 8FT BLK 3 COND
699-150-006 (QTY 1)
CONN, TERM BLOCK/F 12 POS BLACK
673-017-012 (QTY 3)
CONN, TERM BLOCK/F 12 POS ORANGE
673-017-1 12 (QTY 2)
CONN, TERM BLOCK/F 12 POS GREEN
673-017-212 (QTY 1) SCREW/W ASHER ACC KIT , RACK DECOR 4EA BLK
680-000-001 (QTY 1)
SELECT
MENU
ESC
-30 -10 -4 0+4 +8 +12
METER
123456 78
TELCO
CONVERGE PRO 880
CONVERGE PRO 880
910-151-880 (QTY 1)

12 Technical Services: 800-283-5936
Converge Pro 840T Package Contents
CABLE ASSEMBLY, RJ45/RJ45 18"
830-150-004 (QTY 1)
CABLE ASSY, TELEPHONE 12FT.
830-000-012 (QTY 1)
MANUAL, CONVERGE 840T
800-151-840 (QTY 1)
CABLE ASSY, USB A-B TYPE 6FT
830-153-001 (QTY 1)
PWR CORD, MOLDED 8' BLK 3 COND
699-150-006 (QTY 1)
CONN, TERM BLOCK/F 12 POS BLACK
673-017-012 (QTY 2)
CONN, TERM BLOCK/F 12 POS ORANGE
673-017-112 (QTY 1)
CONN, TERM BLOCK/F 12 POS GREEN
673-017-212 (QTY 1)
CD, MANUAL CONVERGE 880/840/TH20
800-151-881 (QTY 1)
SCREW/WASHER ACC KIT, RACK DECOR 4EA BLK
680-000-001 (QTY 1)
SELECT TELCO ON/OFF
MENU
ESC
-30 -10 -4 0+4 +8 +12
METER
12
34 RX
TX
TELCO
CONVERGE PRO 840T
CONVERGE PRO 840T
910-151-840 (QTY 1)

SCREW/W ASHER ACC KIT , RACK DECOR 4EA BLK
680-000-001 (QTY 1)
PWR CORD, MOLDED 8' BLK 3 COND
699-150-006 (QTY 1)
CABLE ASSEMBL Y, RJ45/RJ45 18"
830-150-004 (QTY 1)
CABLE ASSY , TELEPHONE 12FT .
830-000-012 (QTY 1)
MANUAL, CONVERGE TH20
800-151-820 (QTY 1)
CONN, TERM BLOCK/F 6 POS 3.18 MM SPC BLACK PHOENIX
673-017-006 (QTY 1)
CONN, TERM BLOCK /F 6 POS 3.81 MM SPC GREEN PHOENIX
673-017-016 (QTY 1)
CD, MANUAL CONVERGE 880/840/TH20
800-151-881 (QTY 1)
CABLE ASSY , USB A-B TYPE 6FT
830-153-001 (QTY 1)
SELECT TELCO ON/OFF
MENU
ESC
-30 -10 -4 0+4
+8 +12
METER
RX
TX
TELCO
CONVERGE PRO TH20
CONVERGE PRO TH20
910-151-820 (QTY 1)
Chapter 1: Introduction 13
Converge Pro TH20 Package Contents

14 Technical Services: 800-283-5936
Converge Pro 8i Package Contents
CABLE ASSEMBL Y, RJ45/RJ45 18"
830-150-004 (QTY
CONVERGE PRO 8i
910-151-810 (QTY 1)
1)
CD, MANUAL CONVERGE 880/840/TH20/8i
800-151-881 (QTY 1)
MANUAL, CONVERGE 8i
800-151-810 (QTY 1)
CABLE ASSY , USB A-B TYPE 6FT
830-153-001 (QTY 1)
PWR CORD, MOLDED 8' BLK 3 COND
699-150-006 (QTY 1)
CONN, TERM BLOCK/F 12 POS ORANGE
673-017-1 12 (QTY 2)
CONN, TERM BLOCK/F 12 POS GREEN
673-017-212 (QTY 1)
SCREW/W ASHER ACC KIT , RACK DECOR 4EA BLK
680-000-001 (QTY 1)
SELECT
MENU
ESC
-30 -10 -4 0+4+8+12
METER
12
345678
TELCO
CONVERGEPRO8i

Chapter 1: Introduction 15
CONTROLS AND CONNECTIONS
Refer to the following diagrams for Converge Pro front panel controls and the back panel connections.
Converge Pro Front Panels
Converge Pro 880 Front Panel
Converge Pro 840T Front Panel
Converge Pro TH20 Front Panel
Converge Pro 8i Front Panel
SELECTMENU
ESC
-30 -10 -4 0 +4 +8 +12
METER
12345678
CONVERGE PRO 880
ClearOne
Converge 880
11: CONVERGE880-77
1.0.00
IPA: 192.168.1.1
ACBDEFG
SELECTMENU
ESC
TELCO ON / OFF
-30 -10 -4 0 +4 +8 +12
METER
1 2 3 4 TX RX
TELCO
CONVERGE PRO 840T
ClearOne
Converge 840T
32: CONVERGE840T-F0
1.0.00
IPA: 192.168.1.2
ACBDEFG
H I
SELECTMENU
ESC
TELCO ON / OFF
-30 -10 -4 0 +4 +8 +12
METER
TX RX
TELCO
CONVERGE PRO TH20
ClearOne
Converge TH20
2F: CONVERGETH20-3A
1.0.00
IPA: 192.168.1.3
ACDEFG
H I
SELECTMENU
ESC
-30 -10 -4 0 +4 +8 +12
METER
12345678
CONVERGE PRO 8i
ClearOne
Converge 8i
A6: CONVERGE8i-1C
1.0.00
IPA: 192.168.1.4
ACBDEFG

16 Technical Services: 800-283-5936
Converge Pro Front Panel Control Descriptions
USB Type B Port: Provides convenient front panel connectivity for laptops, computers, and other USB
devices.
Microphone-On LEDs: Indicate microphone gate and mute status.
LCD Display: The LCD display shows model number, unit name, IP address, programming menu pages,
menu options, configuration settings, and parameter values.
Menu Dial: The Menu Dial navigates the Converge Pro LCD programming menu and enables you to select
and modify configuration settings.
ESC Button: The ESC button returns you to the previous screen on the LCD display.
Select Button: The Select button displays the Converge Pro LCD programming menu and selects the
highlighted menu option.
LED Bar Meter: The LED bar meter displays the audio level of a selected input, output, processing, or fader
channel. Default meters: 880-Output 12, 840T-Output 8, TH20-Telco Tx, 8i-Mic 1.
Telco TX/RX LEDs: The Telco TX/RX LEDs display transmit, receive, and mute status of the connected
telephone line (840T and TH20 only).
Telco On/Off Button & LEDs: The Telco On/Off button connects and disconnects the connected telephone
line. The LEDs indicate the connection status (840T and TH20 only).
A.
B.
C.
D.
E.
F.
G.
H.
I.