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3 overview, Overview, 3overview – Kramer Electronics VM-2DH User Manual

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VM-2DH - Overview

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Overview

The Kramer VM-2DH is a DisplayPort to DVI/HDMI converter and distributor for

digital signals that is HDCP (High-Bandwidth Digital Content Protection)

compatible. Since high-resolution DVI signals are very sensitive to cable quality

and to PCB layout, the VM-2DH uses a uniquely designed PCB which includes all

buffering, conditioning and amplifying circuitry to provide two high-level output

signals.

In particular, the VM-2DH features:

Support for resolutions up to WUXGA, including all HDTV formats

A maximum data rate of 4.95Gbps (1.65Gbps per graphic channel)

The DDWG DVI 1.0 standard

Support for up to eight embedded audio channels

Built in re-clocking circuitry that regenerates the DVI/HDMI signal so that

several units may be cascaded

A non-volatile read and store memory for the EDID (Extended Display

Identification Data) block from one of the outputs, so it can then provide the

EDID information to the DisplayPort source even if the display device is not

connected

A default EDID for fast and efficient connection of the unit

I-EDIDPro™ Kramer Intelligent EDID Processing™—intelligent EDID

handling and processing algorithm that ensures Plug and Play operation for

DVI/HDMI systems

A DVI-I connector which is compatible with all types of DVI cables

State-of-the-art line drivers on both outputs to provide a cost-effective

solution for distributing the TMDS signals used for DVI/HDMI