Hardware orientation
DVI
Digital Visual Interface is a display interface developed in response to the proliferation of digital flat
panel displays.
The digital video connectivity standard that was developed by DDWG (Digital Display Work Group).
This connection standard offers two different connectors: one with 24 pins that handles digital video
signals only, and one with 29 pins that handles both digital and analog video. This standard uses
TMDS (Transition Minimized Differential Signal) from Silicon Image and DDC (Display Data
Channel) from VESA (Video Electronics Standards Association).
DVI can be single or dual link.
4.5 HDMI/DisplayPort Input Card
General
The HDMI/DisplayPort input card has two 19-pin HDMI connectors which can support an HDMI video signal,
and two 20-pin DisplayPort connectors supporting DisplayPort video signal.
The figure below illustrates the HDMI/DisplayPort input card's rear panel connectors:
Image 4-10: HDMI/DisplayPort Input Card Rear Panel
1
Displayport connector — Displayport 1 with an LED that turns on green when a valid sync has been
detected
2
Displayport connector — Displayport 2 with an LED that turns on green when a valid sync has been
detected
3
HDMI connector — HDMI 1 with an LED that turns on green when a valid sync has been detected
4
HDMI connector — HDMI 2 with an LED that turns on green when a valid sync has been detected
Features
•
Process up to 4 signals independently
•
2x 19–pin HDMI connector (Type A)
•
2x 20–pin Displayport connector
•
Each input channel includes an LED that turns green when a valid sync is detected.
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Event Master Devices