Kramer Electronics, Ltd.
USER MANUAL
Model:
VS-4x4FW
4x4 FireWire Switcher
Contents
Contents
1
Introduction 1
2
Getting Started 1
2.1 Quick Start 1
3
Overview 3
4
Your FireWire Switcher 4
5
Using the FireWire Switcher 5
5.1 Connecting the FireWire Switcher 5
5.2 Operating the FireWire Switcher 6
6
Technical Specifications 6
Figures
Figure 1: VS-4x4FW 4x4 FireWire Switcher 4
Figure 2: Connecting the VS-4x4FW 4x4 FireWire Switcher 5
Tables
Table 1: VS-4x4FW 4x4 FireWire Switcher Features 4
Table 2: Technical Specifications of the VS-4x4FW 4x4 FireWire Switcher 6
i
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
500-plus different models now appear in 8 Groups1, which are clearly defined
by function.
Congratulations on purchasing your Kramer VS-4x4FW 4x4 FireWire
Switcher. This product is ideal for:
Small digital video editing systems
Data switching systems
The package includes the following items:
VS-4x4FW
This user manual2
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
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.
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/manuals.html
1
Getting Started
2
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview
3 Overview
FireWire is a serial bus standard1 that enables quick universal interfacing
between video and computer hardware items2. FireWire hubs let you:
Connect more items than you otherwise could3
Extend the distances
FireWire is simple to use and operates independently of the host system.
In addition, FireWire supports:
Plug and Play4
Hot swapping5
Isochronous6 as well as asynchronous applications
To achieve the best performance:
Connect 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)
Avoid interference from neighboring electrical appliances and position your
Kramer VS-4x4FW away from moisture, excessive sunlight and dust
Note that constant plugging and unplugging of FireWire equipment can result
in permanent damage to sensitive equipment due to ESD (electrostatic
discharge)7
1 Originally developed by Apple™ and published as IEEE 1394 by the Institute of Electrical and Electronics Engineers
2 Hardware items include digital cameras, computers, printers, VCRs, CD-ROMs, hard disks, scanners and graphic cards
3 A computer only has limited ports available
4 Configures automatically without any driver. Whenever a device is added or removed the 1394 bus re-enumerates.
5 You can connect and disconnect inputs and outputs dynamically, without having to restart the PC or cycle power
6 Video / audio applications require constant transfer rates, which the serial bus provides by supporting isochronous transfers
7 It is recommended to use the Kramer PT-1FW, which is a line protector for FireWire signals
3
Your FireWire Switcher
4 Your FireWire Switcher
The high quality VS-4x4FW 4x4 FireWire Switcher is a mechanical 4x4
switcher for FireWire signals, using 6-pin FireWire connectors. In particular,
the VS-4x4FW:
Is designed for applications requiring a compact desktop unit for routing FIRE
WIRE signals1 between any one of 4 sources to any one of 4 acceptors2
Is ideal for high speed data signals up to 400 MB/s
With its high quality switching components and carefully designed
circuits, provides excellent isolation between inputs
With its unpowered design is advantageous for applications in which
various regulatory compliances would otherwise be required
Figure 1 and Table 1 define the VS-4x4FW 4x4 FireWire Switcher:
Figure 1: VS-4x4FW 4x4 FireWire Switcher
Table 1: VS-4x4FW 4x4 FireWire Switcher Features
# Feature Function
1 INPUT SELECTOR Buttons Selects a source from 1 to 4
2 OUTPUT SELECTOR Buttons Selects an acceptor from 1 to 4
3 OUT 6-pin Connectors Connects to the acceptors from 1 to 4
4 IN 6-pin Connectors Connects to the sources from 1 to 4
1 For example, digital video or data
2 The VS-4x4FW can only provide one signal path at any given time (one active crosspoint). It cannot distribute a signal to
multiple outputs simultaneously
4
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Using the FireWire Switcher
5 Using the FireWire Switcher
Sections 5.1 and 5.2 describe how to connect and how to operate your
VS-4x4FW 4x4 FireWire Switcher, respectively.
5.1 Connecting the FireWire Switcher
You can connect the VS-4x4FW 4x4 FireWire Switcher to up to 4 sources
and to up to 4 acceptors, using 1394 cables with 6 pin connectors.
For example, to connect the VS-4x4FW 4x4 FireWire Switcher to 2 sources
(a PC and a laptop) and to one acceptor (a digital video camera), as Figure 2
illustrates, do the following:
1. Connect a PC to the IN 1 port and connect a laptop to the IN 2 port.
2. Connect the OUT 4 port to the digital video camera.
Figure 2: Connecting the VS-4x4FW 4x4 FireWire Switcher
5
Technical Specifications
5.2 Operating the FireWire Switcher
You can route any one of 4 sources to any one of 4 acceptors when operating
your VS-4x4FW 4x4 FireWire Switcher.
For example, to route the signal from the PC to the digital video camera, as
Figure 2 illustrates, do the following:
Press the INPUT SELECTOR IN 1 button
Press the OUTPUT SELECTOR OUT 4 button
The signal from the PC routes to the digital video camera
For example, to route the signal from the laptop to the digital video camera,
as Figure 2 illustrates, do the following:
Press the INPUT SELECTOR IN 3 button
Press the OUTPUT SELECTOR OUT 4 button
The signal from the laptop routes to the digital video camera
6 Technical Specifications
Table 2: Technical Specifications of the VS-4x4FW 4x4 FireWire Switcher
Inputs: 4 firewire, 6-pin connectors
Outputs: 4 firewire, 6-pin connectors
Switching System: Mechanical, break-before-make
Compatibility: Up to 400 MB/s
Dimensions: 18.8cm x 10.2cm x 4.4cm (7.4" x 4" x 1.7"), W , D, H.
Weight: 0.70 kg. (1.55 lbs.) approx.
Options: 19" rack adapter RK-81
6
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Kramer Electronics (hereafter ) warrants this product free from defects in material and workmanship under the
The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option. Kramer shall
Except as below, this warranty covers all defects in material or workmanship in this product. The following are not covered
uncertain as to whether a dealer is authorized, please contact Kramer at one of the agents listed in the Web site
LIMI TED WARRANT Y
following terms.
HOW LONG IS THE WARRANTY
Labor and parts are warranted for seven years from the date of the first customer purchase.
WHO IS PROTECT ED?
Only the first purchase customer may enforce this warranty.
WHAT IS COVERED AND WHAT IS NOT COVERED
Kramer
by the warranty:
1. Any product which is not distributed by Kramer, or which is not purchased from an authorized Kramer dealer. If you are
www.kramerelectronics.com.
2. Any product, on which the serial number has been defaced, modified or removed.
3. Damage, deterioration or malfunction resulting from:
i) Accident, misuse, abuse, neglect, fire, water, lightning or other acts of nature
ii) Product modification, or failure to follow instructions supplied with the product
iii) Repair or attempted repair by anyone not authorized by Kramer
iv) Any shipment of the product (claims must be presented to the carrier)
v) Removal or installation of the product
vi) Any other cause, which does not relate to a product defect
vii) Cartons, equipment enclosures, cables or accessories used in conjunction with the product
WHAT WE WILL PAY FOR AND WHAT WE WILL NOT PAY FOR
We will pay labor and material expenses for covered items. We will not pay for the following:
1. Removal or installations charges.
2. Costs of initial technical adjustments (set-up), including adjustment of user controls or programming. These costs are the
responsibility of the Kramer dealer from whom the product was purchased.
3. Shipping charges.
HOW YOU CAN G ET WARRANTY SERVICE
1. To obtain service on you product, you must take or ship it prepaid to any authorized Kramer service center.
2. Whenever warranty service is required, the original dated invoice (or a copy) must be presented as proof of warranty
coverage, and should be included in any shipment of the product. Please also include in any mailing a contact name,
company, address, and a description of the problem(s).
3. For the name of the nearest Kramer authorized service center, consult your authorized dealer.
LIMI TATION OF IMPLIE D WARRANT IES
All implied warranties, including warranties of merchantability and fitness for a particular purpose, are limited in duration to
the length of this warranty.
EXCLUSIO N OF DAMAGES
not be liable for:
1. Damage to other property caused by defects in this product, damages based upon inconvenience, loss of use of the product, loss
of time, commercial loss; or:
2. Any other damages, whether incidental, consequential or otherwise. Some countries may not allow limitations on how long an
implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitations and exclusions may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which vary from place to place.
All products returned to Kramer for service must have prior approval. This may be obtained from your dealer.
NOTE:
This equipment has been tested to determine compliance with the requirements of:
EN-50081: "Electromagnetic compatibility (EMC);
Residential, commercial and light industry"
EN-50082: "Electromagnetic compatibility (EMC) generic immunity standard.
CFR-47: FCC Rules and Regulations:
CAUT ION!
generic emission standard.
Part 1:
Part 1: Residential, commercial and light industry environment".
Part 15: “Radio frequency devices
Subpart B Unintentional radiators”
Servicing the machines can only be done by an authorized Kramer technician. Any user who makes changes or
modifications to the unit without the expressed approval of the manufacturer will void user authority to operate the
equipment.
Use the supplied DC power supply to feed power to the machine.
Please use recommended interconnection cables to connect the machine to other components.
7
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.
Safety Warning:
Disconnect the unit from the power supply before
opening/servicing.
Caution
Kramer Electronics, Ltd.
Web site: www.kramerelectronics.com
E-mail: info@kramerel.com
P/N: 2900-002055 REV 2
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