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The SDC 8200 Conference System Central Unit from Sennheiser is designed to be a power supply and control device for up to 120 delegate terminals for Sehnneiser's SDC 8200 conference system. It can also power up to four SDC 8200 AO analog output units. It supports up to 15 simultaneous live microphones and nine conference modes. It connects to delegate microphone terminals in the SDC 8200 system via its six RJ 45 ports, each of which supports 20 terminals each. The Central Unit supports up to 28 interpreter channels for translated languages and has two selectable voting modes with automatic tallying.
The Central Unit has two XLR auxiliary mic inputs as well as an XLR auxiliary out for the floor language. A 15-pin Sub-D output provides a direct output of the floor language and up to five translations. Three RJ-232 ports provide connections for PC, media, and camera control. A 1/8" front-panel headphone input allows for monitoring the system.
Built-in power supply unit for up to 120 delegate terminals and four SDC 8200 AO analog output units
Choice of Direct Access, Group of 1, Group of 2, Group of 3, Group of 4 FIFO, Override, Request and Request No Clear. With PC control, there is one additional mode: No Request
The SDC 8200 Central Unit offers two voting modes with automatic tallying: yes/no/abstention or one out of five
Cascading Central Units
Up to 12 Central Units can be cascaded via the Master Out, Slave In, and Slave Out RJ 45 ports for up to 1,024 conference terminals
In the Box
Sennheiser SDC 8200 Conference System Central Unit
Limited 1-Year Warranty
Table of Contents
2x XLR3-F Transformer-Balanced Auxiliary Inputs 1x XLR3-M Transformer Balanced Auxiliary Output 6x RJ 45 Input Ports 3x RJ 232 Sockets for PC, Media, and Camera Control 1x RJ 45 Master Out 1x RJ 45 Slave In 1x RJ 45 Slave Out 1x RJ 45 Data Out 1x 15-Pin Sub-D Auxiliary Output 1x 1/8" (3.5 mm ) Headphone Output
41 to 122°F (5 to 50°C)
Signal to Noise Ratio
> 6 kΩ (@ 1 kHz)
< 200 Ω (@ 1 kHz)
3.5 A, 230 VAC (Maximum) 7.0 A, 115 VAC (Maximum)
Input Voltage Range
Conference Port 1 to 6: 48 V
48 dBA SPL (@ 1 m)
3.15 A (230 VAC) 7 A (115 VAC)
Mains: 88 to 264 VAC (47 to 63 Hz)
8 dBu (Maximum)
COM 1 to 3: RS 232 SUB-D-9
Dimensions (L x W x H)
19 x 6 x 10" (485 x 141 x 265 mm)
212 oz (6 kg)
Sennheiser SDC 8200 Conference System Central Unit Review