Kramer VM-24HD Bedienungsanleitung

Kramer Electronics, Ltd.

USER MANUAL

VM-24HD

2 x 1:4 HD/SD – SDI DA

Contents

Introduction 1

Getting Started 1

2.1

Quick Start 2

Overview 3

Your VM-24HD 2 x 1:4 HD/SD – SDI DA 4

Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA 5

Technical Specifications 6

Figures

Figure 1: VM-24HD 2 x 1:4 HD/SD – SDI DA 4

Figure 2: Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA 5

Tables

Table 1: VM-24HD 2 x 1:4 HD/SD – SDI DA Features 4

Table 2: VM-24HD 2 x 1:4 HD/SD – SDI DA Technical Specifications 6

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 the video, audio, and presentation

professional on a daily basis. In recent years, we have redesigned and

upgraded most of our line, making the best even better! Our 500-plus

different models now appear in eight groups

that are clearly defined by

function.

Congratulations on purchasing your Kramer DigiTOOLS

VM-24HD 2 x 1:4

HD/SD – SDI DA, which is ideal for:

SDI production studios for signal distribution and equalizations

Broadcast studios for on-air operation

SDI field production

Using with SDI video sources such a professional digital camera

The package includes the following items:

VM-24HD 2 x 1:4 HD/SD – SDI DA

Power adapter (12V DC Input)

This user manual

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 cables

1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3:

Video, Audio, VGA/XGA Processors; GROUP 4: Interfaces and Sync Processors; GROUP 5: Twisted Pair Interfaces;

GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors

2 Download up-to-date Kramer user manuals from the Internet at this URL: 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

2.1 Quick Start

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

Overview

3 Overview

The VM-24HD 2 x 1:4 HD/SD – SDI DA is a high performance 2 x 1:4

distributor for all SDI video signals.

In particular, the VM-24HD features:

Two inputs that distribute each signal to four identical outputs

using BNC connectors

1.485Gbps bit rate for compatibility with standard definition and

high definition serial digital video signals (SD

/HD

-SDI)

SMPTE 292M, 259M, 344M, and 372M (dual link application)

compliance and data rates of 143, 177, 270, 360, 540, 1483.5, and

1485Mbps

Automatic, multi-rate, equalization and reclocking for losses

typical to long runs of 75co-axial cable

LOCK, HD, and SD output indication LEDs

Achieving the best performance means:

Connecting only good quality connection cables, thus avoiding

interference, deterioration in signal quality due to poor matching,

and elevated noise levels (often associated with low quality cables)

Avoiding interference from neighboring electrical appliances that

may adversely influence signal quality and positioning your

Kramer VM-24HD away from moisture, excessive sunlight and

dust

Caution – No operator-serviceable parts inside unit.

Warning – Use only the Kramer Electronics input power

wall adapter that is provided with this unit

Warning – Disconnect power and unplug unit from wall

before installing or removing device or servicing unit.

1 Standard Definition (SD) means an NTSC or PAL compatible video format, consisting of 480 (for NTSC) or 576 (for PAL)

lines of interlaced video; and progressive scan 480p or 576p video

2 High Definition (HD) means a video format, consisting of either 720 active lines of progressive video or 1080 lines of either

progressive or interlaced video

3 For example: model number AD2512C, part number 2535-000251

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your VM-24HD 2 x 1:4 HD/SD – SDI DA

4 Your VM-24HD 2 x 1:4 HD/SD – SDI DA

Figure 1 and Table 1 define the VM-24HD 2 x 1:4 HD/SD – SDI DA:

Figure 1: VM-24HD 2 x 1:4 HD/SD – SDI DA

Table 1: VM-24HD 2 x 1:4 HD/SD – SDI DA Features

# Feature Function

1 12V DC +12V DC connector for powering the unit

2 OUTPUT A BNC connectors Connects to the A SDI acceptors (from 1 to 4)

3 OUTPUT B BNC connectors Connects to the B SDI acceptors (from 1 to 4)

4 INPUT A BNC connector Connects to the A SDI source

5 SD/HD INPUT A LED

6 SD/HD INPUT B LED

Illuminates blue for the HD-SDI signal, green

for the SD-SDI signal on inputs A and B

7 INPUT B BNC connector Connects to the B SDI source

8 ON LED Illuminates red when receiving power

Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA

5 Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA

To connect the VM-24HD, as the example in Figure 2 illustrates, do the

following:

1. Connect one or two HD/SD SDI video sources (for example, HD/SD SDI

cameras) to the INPUT A and/or INPUT B BNC connectors.

2. On each OUTPUT (A and/or B), connect up to

four video OUTPUT BNC

connectors to the appropriate HD /SD SDI video acceptors (for example,

HD/SD SDI displays).

3. Connect the 12V DC power adapter to the power socket and connect the

adapter to the mains electricity.

Figure 2: Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA

1 When four outputs are not required, connect only those that are required and leave the other output(s) unconnected

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Technical Specifications

6 Technical Specifications

The VM-24HD technical specifications are shown in Table 2:

Table 2: VM-24HD 2 x 1:4 HD/SD – SDI DA Technical Specifications

INPUTS: 2 SMPTE-259M, 292M, 344M serial video, 75 ohms on BNC connectors

OUTPUTS: 8 equalized and reclocked SMPTE-259M, 292M, 344M outputs 75 ohms on

BNC connectors

OUTPUT LEVEL: 800mVpp /75 ohms

MAX. DATA RATE: 1.485Gbps

COUPLING: AC

POWER SOURCE: 12 V DC, 250mA

DIMENSIONS: 18.8cm x 11.4cm x 2.4cm (7.4" x 4.5" x 1.0") W, D, H

WEIGHT: 0.6kg (1.4lbs)

ACCESSORIES: Power supply, mounting brackets

OPTIONS: 19 inch rack adapters

1 Specifications are subject to change without notice

Kramer Electronics, Ltd.

Web site: www.kramerelectronics.com

E-mail: [email protected]

P/N: 2900-000364 REV 1

For the latest information on our products and a list of Kramer

distributors, visit our Web site: www.kramerelectronics.com,

where updates to this user manual may be found.

We welcome your questions, comments and feedback.

Caution

Safety Warning:

Disconnect the unit from the power supply before

opening/servicing.

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