Product description：

OCS-3000m series conference system realizes the expansion of conference functions such as conference discussion, camera tracking, voting and so on; Fully combine advanced digital technology, network technology and audio technology. Equalizer module, ambient noise suppression technology and digital frequency technology are used to control the roar and present perfect sound quality to users. It can be upgraded and seamlessly connected with intelligent central control system and video conference system, providing a complete solution for efficient modern conference system engineering. It is widely used in intelligent conference room, training room, lecture hall, command and control center, operation room, monitoring, multimedia remote video conference room and other occasions.

Product features：

1. The original DCP / move digital processing and transmission technology is adopted, which complies with iec60194 international standard;

2. The audio signal is processed by 32bit high-speed floating-point DSP, with a bandwidth of 20Hz ~ 20kHz and perfect and clear sound quality;

3. Anti interference circuit design to eliminate the interference of all mobile phone signals;

4. The LCD display shall not be less than 3.8 inches, with built-in control menu, which can control the operation of relevant functions of the conference host, and support the display of Chinese Simplified / traditional and English;

5. Four 8P-DIN unit interfaces, each supporting 30 units, can connect 120 units, supporting 12 ocs-1800c chairman units, supporting hand-in-hand form in series, T-type and ring hand-in-hand connection mode;（Optional four-way RJ45 unit interface）

6. No less than 2 in and 4 out audio input and output interfaces, 2 groups of RCA Audio input interfaces, support external fire alarm audio and background music input, provide 4 groups of RCA Audio output interfaces, 2 groups of pure conference audio output, 2 groups of mixed audio output, including 1 group of stereo output interface and 1 group of stereo 6.35mm output interface;

7. Connect and communicate through TCP / IP network or USB local mode, set the system with PC software, and support online update of system and code;

8. Meeting mode: first in first out mode, last in first out mode, fully open mode and chairman mode (chairman unit is not limited, and 1 / 3 / 5 / 9 of representative speaking unit is adjustable);

9. It has the functions of speaking quantity, automatic closing, time limited closing, voice controlled speaking and so on;

10. The front panel is equipped with 6-key control debugging button, which can also be centrally controlled and managed through the central control system.

Product parameters:

Channel isolation:                  > 85dB

Total harmonic distortion:            < 0.05%

Frequency response width:           20Hz ~ 20KHz

Dynamic range:                    > 80dB

Sensitivity:                        - 20dB

Signal to noise ratio:                 > 96dba

Input impedance:                   2K Ω

Maximum sound pressure level:       125dB (THD < 3%)

Equivalent noise:                  20dBA (SPL)

Computer interface:                USB port * 1

Central control connection port:       232 serial port * 0

Display:                         3.8-inch LCD

Cascade interface:                 8P-DIN * 2/RJ45*2

Unit interface:                    8P-DIN * 4/RJ45*4

Power supply:                    ac110v-220v / 50Hz

Installation method:               19 inch standard cabinet

Size:                           483×323×90mm (length, width and height)

Weight:                         4.15kg

Color:                          Black + gray