Product Description
TOA TS-820 Infrared Wireless Conference System
Application examples for this product:
- Conference Rooms
- Boardrooms
- Parliaments
- Hotels
- Multipurpose halls
- Houses of worship
The TS-820 is a Central Unit of the Infrared Conference System that allows easy installation and flexible layout. By connecting TS-905/907 IR Transmitter/Receiver, TS-820 can control the Chairman and Delegate Units via wireless infrared signal. It features the installation confirmation function that allows the connection status of IR Transmitter/Receiver and Chairman/Delegate Units to be verified. The TS-820 is also equipped with FBS (Feedback Suppression), enabling effective control of acoustic feedback. The system can be controlled by PC (*1). With the use of an optional rack mounting bracket, it can be mounted in an EIA Standard equipment rack (4 unit size).
SPECIFICATIONS:
(*) 0 dB = 1V
| Power Source | 100 - 240 V AC, 50/60 Hz (use of the supplied AC adapter) | 
|---|---|
| Power Consumption | 72 W | 
| Current Consumption | Max. 3 A DC (when 24 V DC is supplied from the accessory AC adapter) | 
| Carrier Frequency | Reception: Audio Channel 1: 7.35 MHz Audio Channel 2: 8.10 MHz Audio Channel 3: 8.55 MHz Audio Channel 4: 9.15 MHz Control Channel: 6.45 MHz Transmission: Audio Channel: 1.95 MHz | 
| Input | MIC: -60 dB*, 600 Ω, unbalanced, Ø 6.3mm phone jack (2P) AUX: -20 dB*, 10 kΩ, unbalanced, Ø 6.3mm phone jack (2P) | 
| Output | LINE: -10 dB*, 10 kΩ, unbalanced, Ø 6.3mm phone jack (2P) REC: -10 dB*, 10 kΩ, unbalanced, RCA pin jack HEADPHONE: Ø 3.5mm mini jack (3P: monaural) | 
| Number of Connectable Chairman/Delegate Units | 64 units | 
| Number of Connectable Infrared Transmitter/Receiver Units | Up to 4 units (with the use of distributor, up to 16 units connectable when they are all TS-905, and up to 12 units when they are all TS-907, or TS-905 and TS-907 are used in combination) | 
| Infrared Transmitter/Receiver I/O Terminal | BNC jacks | 
| External Control Connection Terminal | D-sub connector (9 P, male) / USB-B selectable | 
| LED Indicator | Audio signal receiving indicators 1 - 4 CH, Data signal receiving indicator, External control priority indicator, External control communication indicator, Battery indicator (flashes when a Chairman/Delegate unit's battery nears complete discharge), Short-circuit indicator | 
| Function Switch | No. of open microphones setting switch: 1/2/3/4 Mic-off setting switch: TIME OUT ON/OFF Speech priority selector switch: FIRST (First-in-first-out priority), LATEST (Last-in-first-out priority), FIRST: FIXED NEXT: LATEST (Priority fixed for the first unit, and last-in-first-out for all other subsequent units) FBS switch: AUTO/OFF/EXT | 
| Operating Temperature | 0 ℃ to +40 ℃ (32 ゜F to 104 ゜F) | 
| Operating Humidity | 90 %RH or less (no condensation) | 
| Finish | Panel: Surface-treated steel plate, black, 30% gloss, paint | 
| Weight | 2.7 kg (5.95 lb) | 
| Accessory | AC adapter (Cord length: 1.8 m (5.91 ft) DC cord, and 2 m (6.56 ft) detachable AC cord)…1 | 
| Option | Rack mounting bracket: MB-TS920 | 
 
 
             
             
           
       
           
           
           
           
           
           
                   
           
                  