Kramer VM-1021N User manual

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

VM-1021N

1:20 Video Distributor

P/N: 2900-300429 Rev 1

VM-1021N –Contents

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

4Installing in a Rack 7

5Connecting the VM-1021N 8

6VM-1021N Technical Specifications 10

Figures

Figure 1: VM-1021N 1:20 Video Distributor Front Panel 5

Figure 2: VM-1021N 1:20 Video Distributor Rear Panel 6

Figure 3: Connecting the VM-1021N 8

VM-1021N - 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, 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 14 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; GROUP 11:

Sierra Video Products; GROUP 12: Digital Signage; GROUP 13: Audio; and

GROUP 14: Collaboration.

Congratulations on purchasing your Kramer VM-1021NN distribution amplifier that

is ideal for the following typical applications:

Broadcast, production, or presentation systems requiring high-quality signal

distribution

Schools, retail, sports bars, other point-of-sale and CCTV applications

Computer RGB or component video distribution

VM-1021N - 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-1021N 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-1021N - 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/.

VM-1021N - Overview

3 Overview

The VM-1021N is a high-performance distribution amplifier for composite or SDI

video signals. It provides controls to compensate for signal losses inherent in long

cable runs.

The VM-1021N is a full broadcast, state-of-the-art, 1:20 video distribution amplifier

designed for studio and other demanding applications. The unit splits a single

input source into twenty identical outputs with no discernible signal degradation.

The outputs are divided into 4 sets of five each, where each set may be

individually trimmed (level and EQ) for maximal flexibility. The machine may be

used to distribute analog or SD-SDI video signals, composite or single component.

The unit features:

High bandwidth of 350MHz (-3dB)

Grouped level (gain) and EQ (peaking) controls

Looping inputs

Selectable input signal termination

DC coupling

Standard 19” rack mount size of 1U

Figure 1 and Figure 2 define the unit.

VM-1021N - Overview

VM-1021N –Overview

Figure 1: VM-1021N 1:20 Video Distributor Front Panel

Feature

Function

POWER LED

Illuminates when the device is turned on

SET 4 ADJUST EQ Trimmer

Controls cable equalization of SET 4 video outputs 16-20

SET 4 ADJUST LEVEL Trimmer

Controls level of SET 4 video outputs 16-20

SET 3 ADJUST EQ Trimmer

Controls cable equalization of SET 3 video outputs 11-15

SET 3 ADJUST LEVEL Trimmer

Controls level of SET 3 video outputs 11-15

SET 2 ADJUST EQ Trimmer

Controls cable equalization of the SET 2 video outputs 6-10

SET 2 ADJUST LEVEL Trimmer

Controls level of SET 2 video outputs 6-10

SET 1 ADJUST EQ Trimmer

Controls cable equalization of the SET 1 video outputs 1-5

SET 1 ADJUST LEVEL Trimmer

Controls level of the SET 1 video outputs 1-5

VM-1021N - Overview

Figure 2: VM-1021N 1:20 Video Distributor Rear Panel

Feature

Function

INPUT BNC Connector

Connects to a composite/component/ analog sync video source

LOOP BNC Connector

Selects “75Ω“ or “HI-z” impedance when pressed (for looping select "Hi-z")

IN=75Ω Button

Provides video looping capability to increase number of outputs

OUT SET 1 BNC Connectors (1-5)

SET 1 of 5 amplified buffered and clamped video outputs 1-5

OUT SET 2 BNC Connectors (6-10)

SET 2 of 5 amplified buffered and clamped video outputs 6-10

OUT SET 3 BNC Connectors (11-15)

SET 3 of 5 amplified buffered and clamped video outputs 11-15

OUT SET 4 BNC Connectors (16-20)

SET 4 of 5 amplified buffered and clamped video outputs 16-20

Power Connector

AC connector, fuse and power switch enabling power supply to the unit

VM-1021N –Overview

VM-1021N - Installing in a Rack

4 Installing in a Rack

This section provides instructions for rack mounting the unit.

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