D7101 Full Digital Conference System Host

Name: D7101 Full Digital Conference System Host
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● All-digital distributed conference processor driven by a high-performance ARM + FPGA + DSP architecture for uncompressed network audio routing and digital signal processing.
● Dual-host redundant hot-backup capabilities ensure uninterrupted system operation and continuous event reliability.
● Massive system capacity supporting up to 4,000+ delegate units on a single central controller network.
● Networked distributed architecture stream uncompressed HD audio while streamlining site wiring and deployment.
● Configurable active microphone limits (1–6 open mics) for structured discussion management.
● 4.3" TFT true color screen/touch screen:
● Sleek graphical interface provides clear visibility of all system settings and operational metrics at a glance;
● Intuitive touchscreen operation offers responsive, user-friendly HMI control.
● VIP delegate assignment allows up to 32 privileged units to override standard modes within open-mic capacities.
● Versatile discussion modes (FIFO, Normal, Voice-Activated, Free-Speech, Request-to-Speak) with up to 6 active channels.
● Integrated DSP engine features low-cut filtering and parametric EQ for acoustic clarity.
● Onboard full-conference audio recording with support for both automatic session auto-record and manual control.
● Auto/Manual unit diagnostics perform live line checks, hardware scanning, and fault tracking.
● Integrated speech timer with countdown alerts allows administrators to set enforce time limits or grant unrestricted speaking.
● Programmable scheduled reboot feature maintains system stability and memory optimization during long-term deployments.
● Comprehensive event logging provides queryable records for system events, user operations, and hardware status.
● One-touch wireless unit shutdown paired with quick UHF frequency management for RF signal coordination.
● Built-in matrix switching with 6 HDMI camera inputs enables automated PTZ video auto-tracking.
● Serial control options include RS-232 for third-party central controllers and RS-422 for direct multi-camera PTZ management.
● Four 100Mbps +48V PoE RJ45 ports supply network data routing and bus power directly to connected conference units.
● Dual TCP/IP RJ45 Ethernet ports enable seamless network integration and complete remote software management.
● Pro audio I/O setup including 1× RCA AUX input, 1× RCA emergency alarm input, and dual balanced XLR outputs.
● +5V DC alarm logic trigger input pair with alarm audio line for automatic emergency broadcasting override.
● Heavy-duty all-metal enclosure with reinforced grounding offers ESD protection up to 4kV contact / 8kV air discharge.
● Premium 2U 19-inch rack-mountable chassis designed for commercial equipment cabinet installations.

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Introduction
Specification

Serving as the central processing engine of the conference system, the D71 Series host sets a benchmark in system integration and intuitive control. Equipped with a responsive 4.3-inch full-color touchscreen and a graphical user interface, it combines automated PTZ camera tracking with versatile session management features. Beyond delivering centralized bus power to connected conference units, the host offers exceptional system scalability, providing a dependable foundation for modern digital meeting room setups.

Model	D7101
Line Input Voltage	250±50mV
Alarm Input Voltage	250±50mV
Line Output Voltage	1000±100mV
Balance Output Voltage	2000±100mV
Frequency Response	50Hz-20kHz (±3dB)
Signal-to-Noise Ratio	≥80dB
Harmonic Distortion	≤0.5%
Maximum Output Power	15W, 4-Channel Network PoE+48V Power Supply
Static Power Consumption	≤30W
UHF Frequency	675MHz---679MHz
Power Supply	AC220V/50Hz/75W
Machine Dimensions (L×W×H)	483×385×88mm
Package Dimensions (L×W×H)	525×480×185mm
Net Weight	6.3kg
Gross Weight	7.8kg

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