Kramer Electronics, Ltd.
USER MANUAL
VM-4HD
HD/SD – SDI Distributor
Contents
Contents
1
Introduction 1
2
Getting Started 1
2.1 Quick Start 2
3
Overview 3
4
Your VM-4HD HD/SD - SDI Distributor 4
5
Connecting the VM-4HD HD/SD - SDI Distributor 5
6
Technical Specifications 6
Figures
Figure 1: VM-4HD HD/SD - SDI Distributor 4
Figure 2: Connecting the VM-4HD HD/SD - SDI Distributor 5
Tables
Table 1: VM-4HD HD/SD - SDI Distributor Features 4
Table 2: Technical Specifications of the VM-4HD HD/SD - SDI Distributor 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 VM-4HD HD/SD - SDI
Distributor, 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-4HD HD/SD - SDI Distributor
Power adapter (12V DC Input)
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
Use Kramer high performance high resolution cables3
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
1
Getting Started
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.
2
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview
3 Overview
The VM-4HD HD/SD - SDI Distributor is a high performance 1:4 distributor
for all SDI video signals.
In particular, the VM-4HD:
Accepts one input and distributes the signal to 4 identical outputs using
BNC connectors
Has a video bandwidth of 1.485GHz that allows it to be used for standard
definition and high definition serial digital video signals (SD/HD-SDI)
Is SMPTE 292M, 259M and 344M compliant and supports data rates of
143, 177, 270, 360, 540, 1483.5, 1485Mb/sec
Provides automatic, multi-rate, equalization and reclocking for losses
typical with long runs of 75 co-axial cable
Has 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-4HD
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 unit1.
Warning – Disconnect power and unplug unit from wall
before installing or removing device or servicing unit.
1 For example: model number AD2512C, part number 2535-000251
3
Your VM-4HD HD/SD - SDI Distributor
4 Your VM-4HD HD/SD - SDI Distributor
Figure 1 and Table 1 define the VM-4HD HD/SD - SDI Distributor:
Figure 1: VM-4HD HD1/SD2 - SDI Distributor
Table 1: VM-4HD HD/SD - SDI Distributor Features
# Feature Function
1 12V DC +12V DC connector for powering the unit
2 OUT BNC connectors Connects to the SDI acceptors (from 1 to 4)
3 INPUT BNC connector Connects to the SDI source
4 HD1 LED Blue LED illuminates when the SDI signal is HD1
SDI
5
6 LOCK LED Green LED illuminates when an SDI signal is locked
7 ON LED Red LED Illuminates when receiving power
SD2 LED Green LED illuminates when the SDI signal is SD2
1 High Definition (HD) means a video format, consisting of either 720 active lines of progressive video or 1080 lines
interlaced video
2 Standard Definition (SD) means an NTSC or PAL compatible video format, consisting of 480 (for NTSC) or 576 (for PAL)
lines of interlaced video
4
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Connecting the VM-4HD HD/SD - SDI Distributor
5 Connecting the VM-4HD HD/SD - SDI Distributor
To connect the VM-4HD, as the example in Figure 2 illustrates, do the following:
1. Connect a HD/SD SDI video source (for example, an HD/SD SDI
camera) to the INPUT BNC connector.
2. Connect up to1 4 video OUT 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-4HD HD/SD - SDI Distributor
1 When four outputs are not required, connect only those that are required and leave the other output(s) unconnected
5
Technical Specifications
6 Technical Specifications
Table 2 includes the technical specifications:
Table 2: Technical Specifications1 of the VM-4HD HD/SD - SDI Distributor
INPUTS: 1 SMPTE-259M, 292M, 344M serial video, 75 ohms on a BNC
OUTPUTS: 4 equalized and reclocked SMPTE-259M, 292M, 344M outputs
MAX. OUTPUT LEVEL: 800mVpp /75 ohms
MAX. DATA RATE: 1.485Gbps
COUPLING: AC
POWER SOURCE: 12 V DC, 250mA
DIMENSIONS: 12cm x 7.5cm x 2.5cm (4.7” x 2.95” x 0.98”) W, D, H
WEIGHT: 0.3 kg (0.67 lbs.) approx.
ACCESSORIES: Power supply, mounting brackets
OPTIONS: 19 inch rack adapters
connector
75 ohms on BNC connectors
1 Specifications are subject to change without notice
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 produc t. The following ar e 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 WARRANT Y
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 w arranty:
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 prod uct (claims must be presented to the carrier)
v) Removal or installation o f the product
vi) Any other cause, wh ich d oes 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 pro duct, you must take or ship it prepaid to any authorized Kramer service center.
2. Whenever warranty service is required, th e 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 WARRAN TIES
All implied warranties, including warranties o f 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 l imitations on how long an
implied warranty lasts and/or do not allow the ex clusion 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 d etermine 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 a nd light industry environment".
Part 15: “Radio frequency devices
Subpart B Unintentional radiators”
Servicing the machines can onl y be done by an auth orized Kramer technician. A ny user who makes changes or
modifications to the unit without t he 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
P/N:
2900-000062
Rev:
2
Kramer Electronics, Ltd.
Web site: www.kramerelectronics.com
E-mail: info@kramerel.com
P/N: 2900-000062 REV 2
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