Kramer VM-24H User Manual

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

P/N: 2900-000664 Rev 4

-24H

Input 1:4 HDMI Distributor

Contents

1 Introduction 1 2 Getting Started 2

2.1 Achieving the Best Performance 2

2.2 Safety Instruc ti o ns 3

2.3 Recycling Kramer Products 3

3 Overview 4

3.1 Defining the VM-24H 2 Input 1:4 HDMI Distributor 4

3.2 Using the IR Transmitter 7

4 Installing in a Rack 8 5 Connecting the VM-24H 9 6 Operating the VM-24H 11

6.1 Controlling via RS-232 11

6.2 Operating the VM-24H 12

6.3 Using the EDID Buttons 12

7 Technical Specifications 15 8 Communication Protocol 16

8.1 Syntax 16

8.2 Instruction Codes 17

Figures

Figure 1: VM-24H 2 Input 1:4 HDMI Distributor Front Panel 5 Figure 2: VM-24H 2 Input 1:4 HDMI Distributor Rear Panel 6 Figure 3: Connecting the VM-24H 2 Input 1:4 HDMI Distributor 10 Figure 4: Crossed Cable RS-232 Connection 11 Figure 5: Straight Cable RS-232 Connection with a Null Modem Adapter 12

VM-24H – Contents i

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 video, audio, presentation, and broadcasting professionals 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 groups that are clearly defined by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers; GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP 5: Range Extenders and Repeaters; 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 and GROUP 11: Sierra Products.

Congratulations on purchasing your Kramer VM-24H 2 Input 1:4 HDMI Distributor, which is ideal for the following typical applications:

• Home theater, presentation and multimedia applications

• Rental and staging

VM-24H - Introduction

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

Go to http://www.kramerelectronics.com/support/product_downloads.asp to check for up-to-date user manuals, application programs, and to check if firmware upgrades are available (where appropriate).

2.1 Achieving the Best Performance

To achieve the best performance:

• Use only good quality connection cables (we recommend Kramer high-

performance, high-resolution cables) to avoid interference, deterioration in signal quality due to poor matching, and elevated noise levels (often associated with low quality cables)

• Do not secure the cables in tight bundles or roll the slack into tight coils

• Avoid interference from neighboring electrical appliances that may adversely

influence signal quality

• Position your Kramer VM-24H away from moisture, excessive sunlight and

dust

This equipment is to be used only inside a building. It may only be connected to other equipment that is installed inside a building.

2 VM-24H - Getting Started

Caution:

There are no operator serviceable parts inside the unit

Warning:

Use only the power cord that is supplied with the unit

electrical shock! Servicing by qualified personnel only

before installing

2.2 Safety Instructions

Warning:

Do not open the unit. High voltages can cause

Disconnect the power and unplug the unit from the wall

2.3 Recycling Kramer Products

The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC aims to reduce the amount of WEEE sent for disposal to landfill or incineration by requiring it to be collected and recycled. To comply with the WEEE Directive, Kramer Electronics has made arrangements with the European Advanced Recycling Network (EARN) and will cover any costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular country go to our recycling pages at http://www.kramerelectronics.com/support/recycling/.

VM-24H - Getting Started

3 Overview

The VM−24H is a distribution amplifier for HDMI signals. The unit reclocks and equalizes one of two selectable input signals and distributes it to four identical outputs.

The VM-24H features:

• A maximum data rate of 6.75Gbps ( 2.25Gbps per graphic channel)

• HDMI support for Deep Color, x.v.Color™, Lip Sync, CEC

• 3D pass-through

• I-EDIDPro™ Kramer Intelligent EDID Processing™, an intelligent EDID

handling and processing algorithm that ensures Plug and Play operation for HDMI systems

• The ability to acquire the EDID from one output, from several connected

outputs (auto-mix) or acquire the default EDID for fast and efficient connection of the unit

• Housing in a 19" 1U rack mountable enclosure

• Power feeding from a 100-240V AC universal switching power supply

Control the VM-24H via:

• The front panel buttons

• The infrared remote control transmitter

• The infrared remote extension cable transmitter, see Section 3.2

• RS-232 serial commands transmitted by a touch screen system, PC, or other

serial controller

3.1 Defining the VM-24H 2 Input 1:4 HDMI Distributor

This section defines the VM-24H.

4 VM-24H - Overview

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