DR-
8000 Video Switching Matrix
-3-
System structure
n
Mechanism features
l
For 19 inch EIA rack
；
l
Single bay dimension
：
312
（
H
）
X 483
（
W
）
X 470
（
D
）
mm
（
H: 7U
）；
l
Modularized MPU and high compact configuration
；
l
Connect accessories via Ethernet RJ-45 port.
（
e.g. alarm input box, alarm output box, keyboard,
RS485 distributor, etc
）
l
Connect PC via RS232 port
；
l
Special, internal video, BNC channel for programming monitor
；
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RJ-45 port for internal control data bus.
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The system contains the following modules
：
a
）
Mother board
（
with 64 channels video bus and internal control bus
）。
b
）
Standard industrial 24V switching power supply module
c
）
Control board
d
）
Control output connection board
e
）
Video input switching board
（
with CPU
，
no character overlay
）。
f
）
Video input connection board
（
Surge and EMC protection
；
impedances selection
；
video
looping socket
）。
g
）
Video output character screen overlay board
（
with input/output buffer
）。
h
）
Video output connection board
（
Surge and EMC protection
；
video loop jack
）。
n
Modules functions description
l
Mother board
It has 18 standard slots and 2 special slots. Standard slots are for Video input switching boar,
Video input connection board, Video output character screen overlay board and Video output connec-
tion board, each board has its own unique ID. It can accept 1-17 video input modules(16-272 channels),
1-4 video output modules
（
16-64 channels
）
. Special slots are for Control board and Control output
connection board.
l
Power supply module
Standard industrial 24V switching power supply module
（
24V/6.25A 150W
）
,self adaptive
for 220V/50 Hz and 110V/60 Hz. There are 5V/-5 DC/DC power adapters in each
function modules for enhancing system reliability.
l
Control board
a
）
With independent power supply module
（
DC/DC
，
input 24V
，
output 5V
，
-5V
）；
b
）
Character display
：
Chinese and English
c
）
Communicates with other accessories and devices via Ethernet.
d
）
Auto assign IP for peripheral device, e.g. keyboards, distributors, alarm boxes etc.
e
）
RS-232
：
support RS-232 communication
；
f
）
RS-485
：
internal RS485 bus control
l
Control output connection board
This module has 1 Ethernet RJ45 port, 1 system control bus RJ45 port, 1 RS232 port for PC and 1
