ADDER AdderLink X-DVIPRO-MS2 Manuel de l'utilisateur - Page 12
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Operation
GENERAL USE
In use, the X-DVIPRO and X-DVIPRO-MS2 modules should be transparent - the system
and its peripherals should operate exactly as normal, the only difference being that they
are now up to 50 meters apart.
Video display (EDID) information
Extended Display Identification Data (or EDID) is an industry standard scheme which
allows video displays to declare their capabilities to the computer's video adapter
circuitry, allowing the latter to optimize their outputs accordingly. Since the widespread
adoption of the scheme, video adapters have become increasingly dependent on receiving
relevant EDID information during start-up, before they will output anything more than a
rudimentary video signal.
Each time that the remote module is powered on, it attempts to read the EDID
information from the connected DVI video monitor. If the attempt is successful, the
information is transferred to the local module and stored within non-volatile memory.
This information is then made available to the computer's video adapter when required.
On MS2 variants, EDID is handled independently for the two video connections, allowing
completely different video display configurations on the two ports.
HDMI 1.3a operation
Using optional HDMI to DVI converter cables (Adder part number: VSCD11), the
AdderLink X-DVIPRO-MS can support HDMI video and audio up to the 165MHz clock
rate (1920 x 1080 at 60Hz, 24-bit color).
Eight channels of HDMI audio are supported with sample sizes of 16, 20 or 24-bits at
32KHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, or 192kHz (simultaneously with the
jack audio).
Note: The High-bandwidth Digital Content Protection (HDCP) and Consumer Electronics Control
(CEC) schemes are not supported.
Power and activity indicators
Each module provides two indicators to confirm power status and also feedback about
the various input signals:
Local module
Green:
• On when power is present.
Yellow:
• On when a valid DVI video input signal is being received
from the computer.
• Off when the CATx link cable is disconnected.
Note: On MS2 variants, the link ports are independent, so failure
of one link does not affect the video or USB status of the other
link.
Remote module
Green:
• On when power is present.
Yellow:
• On when a valid DVI video input signal is being received
from the local module.
Flashes regularly (twice per second) when no valid DVI
video signal is being received from the local module.
Note: On MS2 variants, the link ports are independent, so failure
of one link does not affect the video or USB status of the other
link.
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