Mindray DC-80A

Product Principle 4-11
4.3.6 IO Interface Module
There are varied IO interfaces for the entire device.IO interfaces, behind the back of main unit, are
intensively located.
Interface
Qty.
Function Description
Position
USB
2
2.0
Main unit’s back
Ethernet RJ45
1
10M/100M/1000M。
HDMI
1
No need for audio.
VGA
1
/
Audio output
1 pair
Left channel and right channel
Acoustic power test
1
It refers to test. It is disabled to users.
JTAG debugging
1
It refers to test. It is disabled to users.
USB
2
2.0
Control Panel
MIC input
1
Vocal input
Main unit’s front
4.4 Extension and Distribution
4.4.1 Video Extension Function
Video distribution plans of DC-80A product are:
⚫ Primary display and secondary display both adopt DVI signals.
⚫ PC carrier board offers DDC channel. It communicates with primary display, secondary
display, VGA peripheral, HDMI peripheral.
The display parameters, such as the brightness of primary display and secondary display and the
contrast, are achieved on DDC channel.
The acquirement of peripheral resolution information is achieved on DDC channel.
The signal between primary display and secondary display is transmitted through the cables (lifting
column).The video signal of the peripheral is connected through board-to-board.