ADDER AdderLink X-DVIPRO Manuel - Sayfa 11

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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 60 metres 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 optimise 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 colour).

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