Fully digital audio
A built-in high-performance CPU provides fast processing and clear conference audio.
Microphones
Model JI20C-E · wired
Digital Network Wired Chairman Unit
Gooseneck chairman microphone with fully digital audio, priority control and CAT6E connectivity.
JI20C-E
SystemDigital network wired
MicrophoneCardioid condenser
Frequency response40 Hz - 20 kHz
ConnectivityCAT6E
PowerDC24V · 1.5 W
Overview
Chairman control for fully digital conference systems.
The Jistron JI20C-E is a digital network wired chairman unit designed for conference systems requiring reliable meeting control and clear gooseneck microphone pickup.
It combines fully digital audio processing with a high-performance CPU, chairman priority control, ring hand-in-hand connection, optional digital-analog dual backup, hot-plug support and camera tracking integration. Five speech modes and configurable voice wake-up operation provide flexible control for different meeting workflows.
Engineering
Key features
Chairman priority control
The chairman unit can control meeting order with no restriction on connection position.
Ring connection reliability
Single-unit failure or replacement does not interrupt the remaining conference units.
Digital-analog backup
A customizable dual-backup architecture supports stable, uninterrupted meeting operation.
Five speech modes
Normal, FIFO, Free, Application and Voice Wake-up modes are supported.
Camera tracking support
Works with a camera tracking host after preset configuration on the computer.
Voice wake-up control
Startup sensitivity and automatic microphone shutoff timing can be configured.
Anti-interference microphone
The electret condenser microphone core is designed for high sensitivity and stable operation.
Operational functions
Control designed into the unit.
Hot PlugTrigger / HoldAuto Unit ID3.5 mm HeadphoneHidden Cable ExitLED Indicator
Technical data
Specifications
Technical data for model JI20C-E.
System & control
- System type
- Digital network wired chairman unit (gooseneck)
- Chairman function
- Priority control of meeting order; connection position is not restricted
- Speech modes
- Normal · First-in-first-out (FIFO) · Free · Application · Voice Wake-up
- Microphone opening modes
- Trigger switch · Long press to open / release to switch
- Hot-plug support
- Supported; microphones can be added to the system while connected
- Connection topology
- Ring hand-in-hand connection technology
- Backup function
- Customizable digital-analog dual backup
- Camera tracking
- Supported with camera tracking host and computer presets
Microphone & audio
- Microphone type
- Cardioid condenser
- Directional characteristics
- Cardioid
- Frequency response
- 40 Hz - 20 kHz
- Sensitivity
- -32 dBV
- Distortion
- < 1%
- Microphone core
- Special electret condenser design with anti-mobile-phone interference
Control & indication
- Switch mode
- Physical switch
- Speaking indicator
- Two-color LED indicator; red indicates speaking
- Unit identification
- Unique serial number; conference system can automatically assign an ID
Network & connectivity
- Connection method
- CAT6E network cable
- Included network cable
- 1.8 m CAT6E network cable
- Headphone connection
- 1 × Ø3.5 mm stereo headphone jack
- Cable outlet
- Hidden bottom outlet or rear cable exit
Power & physical
- Power supply
- DC24V host power supply
- Power consumption
- 1.5 W
- Base dimensions
- 180 × 142 × 59 mm
- Gooseneck length
- 415 mm
- Weight
- 810 g
Ordering information
- Model
- JI20C-E
- Description
- Digital network wired chairman unit - gooseneck, CAT6E, priority control
- Included
- 1.8 m CAT6E network cable
Product documentation
JI20C-E Datasheet
Complete operational functions, connectivity, physical data and technical specifications for the JI20C-E chairman unit.
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