ES-400 Digital conference system

ES-400 CPU

1------------ camera control interface(RS-422/RS-485)
2-------------- camera control interface(RS-223)
3-------------- central controller interface
4------------- video matrix 4 channels input
5------------- video matrix 2 channels input
6------------- audio input
7------------- video input
8------------- mic input
9------------- balance output
10----------- conference unit interface
11----------- TRE gain control
12----------- AC 220V/50Hz (fuse F2.5A)

System Overview and Features

◆ With LCD windows in both main controller and speaking unit
◆ Easy to realize camera tracking
◆ Build-in feedback suppressor
◆ System includes FIFO(first in first out), LIFO(late in first out), auto mode, discussing mode and chairman mode etc
◆ It supports PELCO P/D, YAAN and SONY EVI-D70 camera agreement.
◆ AUX output and line output to fulfill external audio equipment, such as recorder
◆ Tel in and Tel out for telephone coupler to realize remote conference
◆ RS-232 connectors for video switch and central controller
◆ With 4 channels output, and each channel can support utmost 40 units. Up to 160 units in total
◆ Supporting 4 chairman units

ES-400C/D Chairman/Delegate unit

ES-400C Chairman unit

ES-400D Delegate unit

DS-400C Inlay Chairman unit

DS-400D Inlay Chairman unit

Description for Microphone Unit
◆ Red ring indicator shows the active unit
◆ LCD window shows the operation information
◆ Built in loudspeaker
◆ Hyper directional gooseneck microphone
◆ Luminous design for ON/OFF button
◆ With volume adjustment
◆ With priority button in chairman unit to override all the delegate unit

System Specification
DC power:AC220V/50Hz
maximum current:1A
central controller:232 port
C/D unit interface:8P-DIN port
video input:232 port
audio input:RCA port/6.3 port XLR port
line output level:11dB
balance output level:11dB
audio input level:TEL input -15dB

Unit Specification
Connettion type:8P-DIN
DC power:DC24V
maximum current:60mA