Kramer VM-4DH User Manual

Kramer Electronics, Ltd.

USER MANUAL



Model:

VM-4DH

1:4 HDMI / DisplayPort Distributor

Contents

i

Contents

1

Introduction 1

2

Getting Started 1

2.1

Quick Start 2

3

Overview 3

3.1

About DisplayPort 3

3.2

About HDMI 4

3.3

About HDCP 5

3.4

Defining EDID 5

3.5

Recommendations for Best Performance 5

4

Your VM-4DH 1:4 HDMI / DisplayPort Distributor 5

5

Installing the VM-4DH in a Rack 8

6

Using the VM-4DH 1:4 HDMI / DisplayPort Distributor 9

6.1

Connecting the VM-4DH 1:4 HDMI / DisplayPort Distributor 9

6.2

Setting the Dipswitches 11

6.3

Acquiring EDID 11

6.3.1 Acquiring the Default EDID 11

6.3.2 Acquiring the EDID from a Connected Output 12

7

Technical Specifications 12

Figures

Figure 1: VM-4DH 1:4 HDMI / DisplayPort Distributor 6
Figure 2: Connecting a VM-4HD 1:4 HDMI / DisplayPort Distributor 10
Figure 3: Dipswitch Settings 11

Tables

Table 1: VM-4DH 1:4 HDMI / DisplayPort Distributor Features 7
Table 2: VM-4DH Dipswitch Settings 11
Table 3: Technical Specifications of the VM-4DH 1:4 HDMI / DisplayPort Distributor 12

Introduction

1

1 Introduction

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast
range of problems that confront the video, audio, presentation, and
broadcasting professional on a daily basis. In recent years, we have redesigned
and upgraded most of our line, making the best even better! Our 1,000-plus
different models now appear in 11 groups1 that are clearly defined by
function.

Congratulations on purchasing your Kramer VM-4DH 1:4 HDMI /
DisplayPort Distributor, which is ideal for:

 Multimedia applications
 PC showrooms

The package includes the following items:

 VM-4DH 1:4 HDMI / DisplayPort Distributor
 Power cord
 This user manual2

2 Getting Started

We recommend that you:

 Unpack the equipment carefully and save the original box and packaging

materials for possible future shipment

 Review the contents of this user manual
 Use Kramer high performance high resolution cables3

1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems; GROUP 4:
Format/Standards Converters; GROUP 5: Twisted-Pair Solutions; GROUP 6: Specialty AV Products; GROUP 7: Scan
Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity; GROUP 10: Accessories and
Rack Adapters; GROUP 11: Sierra Products
2 Download up-to-date Kramer user manuals from our Web site at http://www.kramerelectronics.com
3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Getting Started

2

2.1 Quick Start

This quick start chart summarizes the basic setup and operation steps.

Overview

3

3 Overview

The Kramer VM-4DH is a high quality 1:4 HDMI DisplayPort Distributor
that accepts an HDMI input, equalizes and reclocks the data, and distributes the
signal to two DisplayPort (DP) outputs and two HDMI outputs.

The VM-4DH features:

 One HDMI input, two HDMI outputs, two DisplayPort outputs, four

output status LEDs, an active input status LED, as well as EDID read and
select buttons

 Up to 2.7Gbps bandwidth per graphic channel
 A maximum resolution of 2560x1600 pixels and a total maximum

bandwidth of 10.8Gbps over four lanes

 Kramer re-Klocking™ and Equalization Technology, which rebuilds the

digital signal to travel longer distances

 Enhanced EDID (Extended Display Identification Data) - the unit can

store and recall an EDID setting in non-volatile memory from either the
default EDID or a connected output, allowing convenient and reliable
connection to the source

 Compliance to HDCP
 High-resolution and rich colors and transports audio and multiple video

streams

 Worldwide Power Supply – 100-240V AC
 A standard 19” rack-mount size - 1U. Rack "ears" are included

3.1 About DisplayPort

DisplayPort (DP) is a new digital display interface standard for the PC
industry. It delivers the highest resolutions and sound quality.

In addition, DisplayPort:

 Provides a simple interface between a PC and a display, projector or TV
 Supports 1 to 4 data pairs ("lanes") at a transfer rate of 1.62Gb or 2.7Gb

per second

 Has a maximum length of 15 meters for video transmission, at a

resolution of 1080p/60Hz and 3 meters for full bandwidth transmission

 Video specs include a video path that supports 6 to 16 bits per color

channel, a maximum resolution of 2560x1600 pixels and a total maximum
bandwidth of 10.8Gbps over four lanes

 Is backward-compatible with HDMI, DVI (Digital Visual Interface) and

VGA, via an appropriate adapter

 Version 1.1 supports HDCP (see section 3.3)