Wired conference main unit DDS5900
Key Word ：
Digital Public Broadcasting System
# Functional Features
◆ Adopts a dual-backup system design. Malfunctions of microphones connected via eight-core cables will not affect the operation of network cable-connected microphones, and both types can work simultaneously to deliver superior system reliability.
◆ Multiple system units can be connected with backup ring topology. Equipped with four dedicated 8-core ports for conference units and four RJ45 network ports. Each port supports up to 30 units; extended hosts can be cascaded to connect a maximum of 120 conference system units in total.
◆ When conference units are wired in a ring loop configuration (1 output channel plus 1 backup input channel), faults in intermediate connecting cables or individual conference units will not cause system crash or breakdown, ensuring stable and efficient system operation.
◆ Adopts fully digital audio processing technology. Audio signals from all channels are processed to CD-grade quality, which effectively suppresses acoustic feedback and electromagnetic interference, delivering crisp and clear conference audio while guaranteeing audio confidentiality and security.
◆ The main conference host is fitted with an RS232 interface, and each conference unit has a unique serial number. Customized software can be developed to link the host with external control devices as required by users.
◆ Built-in automatic system recovery function and supports hot plugging of connecting cables.
◆ Equipped with a 1.77-inch true-color display screen on the main host.
◆ Provides four 8-core T-type connection ports and four RJ45 network ports.
◆ The main host supports password lock screen to facilitate user management.
◆ Supports USB audio recording with high-fidelity WAV format output.
◆ Optional conference speaking modes: FIFO (First In First Out), FREE (Full Open Mode), C-ONLY (Chairman Mode), i-LIMIT (Speaking Restriction Mode);
# Specifications
Power Supply for Main Host: AC 100V-220V, 50-60Hz
Frequency Response: 20Hz-20kHz
Signal-to-Noise Ratio: ＞102dBA
Dynamic Range: >106dB
Total Harmonic Distortion: ≤0.05%
Recording Interface: 1 × USB Port
Central Control Interface: 1 × RS232 Port
Unit Connection Interfaces: 4 × RJ45 Ethernet Ports, 4 × DIN-8 Round Sockets
Audio Output Ports: 1 × 6.35mm Audio Jack, 1 × XLR Socket
Standby Power Consumption: 10W
Maximum Power Consumption: 350W
Mounting Type: Standard 19-inch rack mount
Dimensions (L×W×H): 483×235×67mm
Weight: 4kg
Color: Black
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