Kramer VM-24H Manuale utente

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

-24H

Input 1:4 HDMI Distributor

P/N: 2900-000664 Rev 4

VM-24H – Contents i

Contents

1Introduction 1

2Getting Started 2

2.1 Achieving the Best Performance 2

2.2 Safety Instructions 3

2.3 Recycling Kramer Products 3

3Overview 4

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

3.2 Using the IR Transmitter 7

4Installing in a Rack 8

5Connecting the VM-24H 9

6Operating the VM-24H 11

6.1 Controlling via RS-232 11

6.2Operating the VM-24H 12

6.3 Using the EDID Buttons 12

7Technical Specifications 15

8Communication 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 - Introduction

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 2Input 1:4 HDMI Distributor,

which is ideal for the following typical applications:

•Home theater, presentation and multimedia applications

•Rental and staging

2 VM-24H - Getting Started

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.

VM-24H - Getting Started

2.2 Safety Instructions

Caution:

There are no operator serviceable parts inside the unit

Warning:

Use only the power cord that is supplied with the unit

Warning: Do not open the unit. High voltages can cause

electrical shock! Servicing by qualified personnel only

Warning: Disconnect the power and unplug the unit from the wall

before installing

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/.

4 VM-24H - Overview

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.

VM-24H - Overview

VM-24H – Overview 5

Figure 1: VM-24H 2 Input 1:4 HDMI Distributor Front Panel

Feature

Function

IR Receiver

The red LED is illuminated when receiving signals from the Kramer infrared remote control transmitter

POWER Switch

Illuminated switch for turning the unit ON or OFF

SELECT IN 1 Button

Press to select source 1 and distribute this signal to the outputs

SELECT IN 2 Button

Press to select source 2 and distribute this signal to the outputs

EDID READ Button

Press, after pressing the EDID SELECT button, to acquire the EDID Press to show the EDID status

EDID SELECT Button

Select the EDID mode (One Output, Auto-mix or Default)

OUTPUT STATUS 1-4

LEDs

LEDs light when an output(s) is connected and active; LEDs flash to indicate the type of EDID

acquired (see Section 6.3) or when connecting a non-HDCP display while providing HDCP content to

the

VM-24H

6 VM-24H - Overview

Figure 2: VM-24H 2 Input 1:4 HDMI Distributor Rear Panel

Feature

Function

INPUT 1 HDMI Connector

Connects to the HDMI source 1

INPUT 2 HDMI Connector

Connects to the HDMI source 2

OUTPUT HDMI Connectors

Connects to the HDMI acceptor (from 1 to 4)

RS-232 9-pin D-sub Port

Connects to the PC or the Remote Controller (via a null modem connection)

12 REMOTE IR Opening Connects to an external IR receiver unit for controlling the machine via an IR remote

controller instead of using the front panel IR receiver

Optional. Can be used instead of the front panel (built-in) IR receiver to remotely control the

machine (only if the internal IR connection cable has been installed)

Power Connector with Fuse

AC connector enabling power supply to the unit

6VM-24H – Overview

VM-24H - Overview

3.2 Using the IR Transmitter

You can use the RC-IR3 IR transmitter to control the machine via the built-in IR

receiver on the front panel or, instead, via an optional external IR receiver (Model:

C-A35M/IRR-50). The external IR receiver can be located up to 15 meters away

from the machine. This distance can be extended to up to 60 meters when used

with three extension cables (Model: C-A35M/A35F-50).

Before using the external IR receiver, be sure to arrange for your Kramer dealer to

insert the internal IR connection cable (P/N: 505-70434010-S) with the 3.5mm

connector that fits into the REMOTE IR opening on the rear panel. Connect the

external IR receiver to the REMOTE IR 3.5mm connector.

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