Kramer VM-22HD Manual de usuario

Kramer Electronics, Ltd.

USER MANUAL

Model:

VM-22HD

2 x 1:2 HD/SD-SDI DA

Contents

Introduction 1

Getting Started 1

2.1

Quick Start 2

Overview 3

Your VM-22HD 2 x 1:2 HD/SD-SDI DA 4

Connecting the VM-22HD 2 x 1:2 HD/SD-SDI DA 5

Technical Specifications 6

Figures

Figure 1: VM-22HD 2 x 1:2 HD/SD-SDI DA 4

Figure 2: Connecting the VM-22HD 2 x 1:2 HD/SD-SDI DA 6

Tables

Table 1: VM-22HD 2 x 1:2 HD/SD-SDI DA Functions 5

Table 2: VM-22HD 2 x 1:2 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.

Thank you for purchasing the Kramer DigiTOOLS

VM-22HD

2 x 1:2 HD/SD-SDI DA, which is ideal for:

SDI production studios for signal distribution

Broadcast studios for on-air operation and SDI field production

Using with SDI video sources such a professional digital camera

Signal equalization after long cable runs

The package includes the following items:

The VM-22HD 2 x 1:2 HD/SD-SDI DA

Power supply (12V DC / 250mA)

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 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

2.1 Quick Start

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

Overview

3 Overview

The VM-22HD 2 x 1:2 HD/SD-SDI DA is a high-performance 2 x 1:2

distributor for all SDI video signals. In particular, the VM-22HD:

Transmits up to 200m

Accepts two inputs and distributes each signal to two pairs of

identical outputs using BNC connectors

Has a video bandwidth of 1.485GHz that enables it to be used for

standard-definition and high-definition serial digital video signals

(SD/HD-SDI)

Also passes digital information (embedded audio, Teletext, time

code, and so on) during the video blanking period

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

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

1485Mbps

Provides automatic, multi-rate, equalization and reclocking to

compensate for losses typical to long runs of 75co-axial cable

of up to 200m

Has LEDs indicating the SDI resolution

To achieve the best performance:

Use only good quality connection cables

to avoid interference,

deterioration in signal quality due to poor matching, and elevated

noise levels (often associated with low quality cables)

Avoid interference from neighboring electrical appliances that

may adversely influence signal quality and position your Kramer

VM-22HD 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 Available from Kramer Electronics on our Web site at http://www.kramerelectronics.com

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

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your VM-22HD 2 x 1:2 HD/SD-SDI DA

4 Your VM-22HD 2 x 1:2 HD/SD-SDI DA

Figure 1 and Table 1 define the unit.

Figure 1: VM-22HD 2 x 1:2 HD/SD-SDI DA

Connecting the VM-22HD 2 x 1:2 HD/SD-SDI DA

Table 1: VM-22HD 2 x 1:2 HD/SD-SDI DA Functions

# Feature Function

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

2 OUTPUT A 2 BNC connector Connects to the SDI A acceptor 2

3 OUTPUT A 1 BNC connector Connects to the SDI A acceptor 1

4 OUTPUT B 2 BNC connector Connects to the SDI B acceptor 2

5 OUTPUT B 1 BNC connector Connects to the SDI B acceptor 1

6 INPUT A BNC connector Connects to the SDI A source

7 SD

/HD

INPUT A LED Illuminates blue for the HD-SDI signal, green for the SD-SDI

signal on input A

8 SD/HD INPUT B LED Illuminates blue for the HD-SDI signal, green for the SD-SDI

signal on input B

9 INPUT B BNC connector Connects to the SDI B source

10 ON LED Illuminates green when receiving power

5 Connecting the VM-22HD 2 x 1:2 HD/SD-SDI DA

To connect the VM-22HD, as the example in Figure 2 illustrates, do the

following

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

to the INPUT A and/or B BNC connectors.

2. Connect up to

four video OUTPUT BNC connectors to the appropriate

HD-SDI/SD-SDI video acceptors (for example, displays).

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

adapter to the mains electricity (not shown in Figure 2).

The VM-22HD operates as soon as it is connected and powered on.

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; as well as 480 and 576 line progressive scan video format

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 Switch OFF the power on each device before connecting it to your VM-22HD. After connecting your VM-22HD, switch on

its power and then switch on the power on each device

4 You do not have to connect all outputs

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Technical Specifications

Figure 2: Connecting the VM-22HD 2 x 1:2 HD/SD-SDI DA

6 Technical Specifications

The VM-22HD technical specifications are shown in Table 2:

Table 2: VM-22HD 2 x 1:2 HD/SD-SDI DA Technical Specifications

INPUTS: 2 SMPTE-259M, 292M, 344M, 372M serial video inputs,

75 ohms on BNC connectors

OUTPUTS: 4 equalized and reclocked SMPTE-259M, 292M, 344M, 372M

serial video outputs, 75 ohms on BNC connectors

OUTPUT LEVEL: 800mVpp /75 ohms

COUPLING: AC

POWER SOURCE: 12V DC, 250mA

DIMENSIONS: 12cm x 7.2cm x 2.4cm (4.7" x 2.8" x 1.0") W, D, H

WEIGHT: 0.3kg (0.7lbs) approx.

ACCESSORIES: Power supply, mounting bracket

1 Specifications are subject to change without notice

Kramer Electronics, Ltd.

Web site: www.kramerelectronics.com

E-mail: [email protected]

P/N: 2900-000353 REV 2

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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