Kramer VM-10FW Manuale utente

Kramer Electronics, Ltd.

USER MANUAL

Models:

VM-10FW,

1:10 FireWire Distributor/Hub

VM-15FW,

1:15 FireWire Distributor/Hub

VM-20FW,

1:20 FireWire Distributor/Hub

Contents

Introduction 1

Getting Started 1

Overview 1

Your FireWire Distributor/Hub 2

4.1

About the VM-10FW FireWire Distributor/Hub 2

4.2

About the VM-15FW FireWire Distributor/Hub 2

4.3

About the VM-20FW FireWire Distributor/Hub 2

Using Your VM-20FW FireWire Distributor/Hub 4

5.1

Understanding the FireWire Connection 4

5.2

Connecting the VM-20FW 1:20 FireWire Distributor/Hub 5

5.3

Connecting the VM-20FW as Four 1:4 Distributors 6

5.4

Operating the VM-20FW FireWire Distributor/Hub 7

5.5

Operating the VM-20FW as Four 1:4 Distributors 7

5.6

Cascading VM-20FW FireWire Distributor/Hubs 8

Technical Specifications 9

Figures

Figure 1: VM-20FW 1:20 FireWire Distributor/Hub 3

Figure 2: Connecting the VM-20FW 1:20 FireWire Distributor/Hub 5

Figure 3: Connecting the VM-20FW as Four 1:4 Distributors 6

Figure 4: Connecting an Expanded 1:60 FireWire Distributor/Hub 8

Tables

Table 1: Front Panel VM-20FW 1:20 FireWire Distributor/Hub Features 4

Table 2: Rear Panel VM-20FW 1:20 FireWire Distributor/Hub Features 4

Table 3: Technical Specifications of the VM-20FW 9

Introduction

1 Introduction

Welcome to Kramer Electronics (since 1981): a world of unique, creative and

affordable solutions to the infinite 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

350-plus different models now appear in 8 Groups

, which are clearly defined

by function.

Congratulations on purchasing your Kramer FireWire Distributor/Hub, which

is available in the following models: VM-10FW (a 1:10 FireWire

Distributor/Hub), VM-15FW (a 1:15 FireWire Distributor/Hub), and

VM-20FW (a 1:20 FireWire Distributor/Hub). The VM-10FW, VM-15FW,

and VM-20FW are ideal for these applications:

 Digital video production and editing studios

 Digital video live broadcasting

 PC FireWire port extensions and long cable drivers

The package includes the following items:

 FireWire Distributor/Hub

 Power cord and 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

3 Overview

Each high quality FireWire Distributor/Hub—the VM-10FW, VM-15FW,

and VM-20FW—are based on the IEEE-1394 (FireWire) standard, and let

you distribute one of two selected inputs.

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

Your FireWire Distributor/Hub

In particular, the VM-10FW, VM-15FW, and VM-20FW:

 Can distribute 10, 15, or 20 outputs/ports

 Can be cascaded to increase the number of outputs, and since the unit

reclocks the data, cascading several machines may be used to effectively

increase the operation range

 Support “Plug and Play” and “hot-swapping”

 Operate for data rates of 100/200/400Mbps

On each FireWire Distributor/Hub,the:

 Selected input signal is equalized for cable losses, and the outputs are all

relocked

 Input ports are all electronically protected

 Front panel LEDs show the status of all the IEEE-1394 ports

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 and

positioning your Kramer VM-10FW, VM-15FW, or VM-20FW away from

moisture, excessive sunlight and dust

4 Your FireWire Distributor/Hub

Sections 4.1, 4.2 and 4.3, describe the VM-10FW, VM-15FW, and

VM-20FW, respectively.

4.1 About the VM-10FW FireWire Distributor/Hub

The VM-10FW is similar to the VM-20FW (see section 4.3), except with 10

OUT/IN ports.

4.2 About the VM-15FW FireWire Distributor/Hub

The VM-15FW is similar to the VM-20FW (see section 4.3), except with 15

OUT/IN ports.

4.3 About the VM-20FW FireWire Distributor/Hub

Figure 1 illustrates the VM-20FW 1:20 FireWire Distributor/Hub. Table 1

and Table 2 define the front and rear panels of the VM-20FW, respectively.

Your FireWire Distributor/Hub

Figure 1: VM-20FW 1:20 FireWire Distributor/Hub

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Using Your VM-20FW FireWire Distributor/Hub

Table 1: Front Panel VM-20FW 1:20 FireWire Distributor/Hub Features

# Feature Function

1 POWER Switch Illuminated switch supplying power to the unit

2 STATUS Red LEDs Each LED lights when its corresponding port is active (from 1 to 20)

3 DATA Red LED Lights when there is an active FireWire connection

4 PORT SELECT Button

Push in to select channel A; release to select channel B

5 RESET Button Resets the operation of the unit

Table 2: Rear Panel VM-20FW 1:20 FireWire Distributor/Hub Features

# Feature Function

6 IN/OUT 6-pin PORT A Connect to the device

for channel A

7 IN/OUT 6-pin PORT B Connect to the device

for channel B

8 OUT/IN 6-pin Ports Connect to the devices

(from 1 to 20)

9 Power Connector with FUSE AC connector enabling power supply to the unit

5 Using Your VM-20FW FireWire Distributor/Hub

This section describes how to connect and operate:

 FireWire, see section 5.1

 VM-20FW 1:20 FireWire Distributor/Hub, see sections 5.2 and 5.4

 VM-20FW as four 1:4 Distributors, see sections 5.3 and 5.5

5.1 Understanding the FireWire Connection

When connecting the VM-20FW, be aware that:

 Not all ports need to be connected

 Everything depends on your computer’s software, and the firmware of the

devices. Sometimes, it is possible that a computer can work with many

FireWire devices simultaneously (like a distribution amplifier), sometimes it

can work with many devices in time-sharing mode (like a switcher). But most

often it is possible to work one to one. In this case, you have to disconnect all

the devices that are unnecessary at this time and leave only two of them. Since

FireWire is a hot-plug standard, you can connect/disconnect devices at any time

1 Each device(s) can serve as a source or as an acceptor (as appropriate)

2 Any unused port should simply be left unconnected. Port A/B must be connected to device(s) that can manage or broadcast

over 20 ports

Using Your VM-20FW FireWire Distributor/Hub

5.2 Connecting the VM-20FW 1:20 FireWire Distributor/Hub

To connect the VM-20FW 1:20 FireWire Distributor/Hub, as the example in

Figure 2 illustrates, do the following:

1. Connect a FireWire device using a 1394 cable to the IN/OUT 6 pin:

 PORT A (for example, a Video Camcorder)

 PORT B (for example, a Laptop)

2. Connect up to 20 FireWire devices

using 1394 cables to the OUT/IN 6

pin ports, for example, a:

 Computer to port 9 and port 12

 Video Camcorder to port 1, port 7 and port 11

 Hard Drive to port 20

3. Connect the power cord (not illustrated in Figure 2).

Figure 2: Connecting the VM-20FW 1:20 FireWire Distributor/Hub

1 See section 5.1

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Using Your VM-20FW FireWire Distributor/Hub

5.3 Connecting the VM-20FW as Four 1:4 Distributors

You can use your VM-20FW 1:20 FireWire Distributor/Hub, as four 1:4

Distributors, without reference to PORT A or PORT B.

To connect the VM-20FW as four 1:4 Distributors, as the example in Figure

3 illustrates, do the following

1. Connect a FireWire device (source 1) via a 1394 cable to the OUT/IN 6 pin

port 1, and then connect up to 4 FireWire devices using 1394 cables to the

OUT/IN 6 pin ports 2, 3, 4, and 5 (outputs (1)).

2. Connect a FireWire device (source 2) via a 1394 cable to the OUT/IN 6 pin

port 6, and then connect up to 4 FireWire devices using 1394 cables to the

OUT/IN 6 pin ports 7, 8, 9, and 10 (outputs (2)).

3. Connect a FireWire device (source 3) via a 1394 cable to the OUT/IN 6 pin

port 11, and then connect up to 4 FireWire devices using 1394 cables to the

OUT/IN 6 pin ports 12, 13, 14, and 15 (outputs (3)).

4. Connect a FireWire device (source 4) via a 1394 cable to the OUT/IN 6 pin

port 16, and then connect up to 4 FireWire devices using 1394 cables to the

OUT/IN 6 pin ports 17, 18, 19, and 20 (outputs (4)).

5. Connect the power cord.

Figure 3: Connecting the VM-20FW as Four 1:4 Distributors

1 Not all ports need to be connected. Any unused port should simply be left unconnected

Using Your VM-20FW FireWire Distributor/Hub

5.4 Operating the VM-20FW FireWire Distributor/Hub

To distribute the signal from:

 PORT A (that is, from the PC

), push in the PORT SELECT button

The signal from the PC transmits to all the FireWire devices which are

connected and powered on

 PORT B (that is, from the Laptop

), release the PORT SELECT button

The signal from the Laptop transmits to all the FireWire devices which are

connected and powered on

5.5 Operating the VM-20FW as Four 1:4 Distributors

After powering on the VM-20FW, the signal from each Group automatically

distributes to the respective four acceptors, as follows:

 Source A at port 1 distributes to acceptors A1, A2, A3, and A4 at ports 2,

3, 4, and 5

 Source B at port 6 distributes to acceptors B1, B2, B3, and B4 at ports 7, 8,

9, and 10

 Source C at port 11 distributes to acceptors C1, C2, C3, and C4 at ports 12,

13, 14, and 15

 Source D at port 16 distributes to acceptors D1, D2, D3, and D4 at ports

17, 18, 19, and 20

1 In the example in Figure 2

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Using Your VM-20FW FireWire Distributor/Hub

5.6 Cascading VM-20FW FireWire Distributor/Hubs

You can cascade several VM-20FW machines to increase the number of

outputs, and to effectively increase the operation range

To cascade three VM-20FW machines to form an expanded 1:60 FireWire

Distributor/Hub, as the example in Figure 4 illustrates, do the following:

1. Connect a FireWire device via a 1394 cable to the IN/OUT 6 pin PORT A

on the first VM-20FW machine.

2. Connect FireWire devices via 1394 cables to the OUT/IN 6 pin ports, as

follows:

 On the first VM-20FW machine, to acceptors 1 to 19

 On the second VM-20FW machine, to acceptors 20 to 38

 On the third VM-20FW machine, to acceptors 39 to 58

3. Connect the OUT/IN 6 pin port 20 on the first VM-20FW machine to the

IN/OUT 6 pin PORT A on the second VM-20FW machine, and connect the

OUT/IN 6 pin port 20 on the second VM-20FW machine to the IN/OUT 6 pin

PORT A on the third VM-20FW machine.

4. Connect the power cord on each VM-20FW machine.

Figure 4: Connecting an Expanded 1:60 FireWire Distributor/Hub

1 For example, use 2 VM-20FW machines to double the range, and use 3 VM-20FW machines to increase the range three-fold

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