Kramer Electronics VM-20HD Stereo Amplifier User Manual
Contents
1. Radio frequency devices Subpart B Unintentional radiators CAUTION B gt 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 B gt Use the supplied DC power supply to feed power to the machine B gt Please use recommended interconnection cables to connect the machine to other components 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 9007 O 2 QU a Institute of Quality amp Control Kramer Electronics Ltd Web site www kramerelectronics com E mail info kramerel com P N 2900 000321 REV 22. 20HD INPUTS 2 SMPTE 259M 292M 344M serial video 75 ohms on a BNC connector OUTPUTS 22 equalized and reclocked SMPTE 259M 292M 344M outputs 75 ohms on BNC connectors RESOLUTION 8 and 10 bits automatic MAX OUTPUT LEVEL 800mVpp 75 ohms MAX BAUD RATE 1 485Gbps COUPLING AC POWER SOURCE 100 240VAC 50 60Hz 9VA DIMENSIONS 19 inch W 7 inch D 1U H WEIGHT 1 5kg 3 3lbs approx ACCESSORIES Power cord 1 Specifications are subject to change without notice 8 KRAMER SIMPLE CREATIVE TECHNOLOGY LIMITED WARRANTY Kramer Electronics hereafter Kramer warrants this product free from defects in material and workmanship under the following terms HOW LONGIS THE WARRANTY Labor and parts are warranted for seven years from the date of the first customer purchase WHOIS PROTECTED Only the first purchase customer may enforce this warranty WHAT IS COVERED AND WHAT IS NOT COVERED Except as below this warranty covers all defects in material or workmanship in this product The following are not covered 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 uncertain as to whether a dealer is authorized please contact Kramer at one of the agents listed in the Web site www kramerelectronics com Any product on which the serial number has been defaced modified or removed 3 Dam
3. the operating ambient temperature of a closed or multi unit rack assembly may exceed the room ambient temperature Once rack mounted enough air will still flow around the machine The machine is placed straight in the correct horizontal position You do not overload the circuit s When connecting the machine to the supply circuit overloading the circuits might have a detrimental effect on overcurrent protection and supply wiring Refer to the appropriate nameplate ratings for information For example for fuse replacement see the value printed on the product label The machine is earthed grounded in a reliable way and is connected only to an electricity socket with grounding Pay particular attention to supply connections other than direct connections to the branch circuit for example the use of power strips and that you use only the power cord that is supplied with the machine 2 Place the ears of the machine machine To do so remove the screws from each side of the machine 3 on each side and replace those screws through the ear brackets against the rack rails and insert the proper screws not provided through each of the four holes in the rack ears Note that e In some models the front panel may feature built in rack ears Detachable rack ears can be removed for desktop use Always mount the machine in the rack before you attach any cables or connect the machine to the power If you are
4. Kramer Electronics Ltd ah KRAMER USER MANUAL VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier Contents Contents 1 Introduction 2 Getting Started 2 1 Quick Start 3 Overview 4 Your VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier 5 Installing the VM 20HD on a Rack 6 Connecting the VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier 7 Technical Specifications Figures Figure 1 VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier Figure 2 Connecting the VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier Tables Table 1 VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier Features Table 2 Technical Specifications of the VM 20HD LX A XD Wwe ap Introduction 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 Groups which are clearly defined by function Congratulations on purchasing your Kramer VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier which is ideal for SDI production studios for signal distribution Broadcast studios for on air operation SDI field production Using with SDI video sources such as professional digital cameras The package includes t
5. age 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 Removalor 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 FORAND WHAT WE WILLNOT 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 GET 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
6. an BNC additional unit or to the channel B video input 11 Connectors VIDEO Connects to the channel A SDI acceptors from 1 to 10 OUTPUTS 12 Power Connector with Fuse AC connector enabling power supply to the unit 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 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 To create a 1 20 distribution amplifier connect the LOOP output of one of the channels to the VIDEO IN of the other channel Installing the VM 20HD on a Rack 5 Installing the VM 20HD on a Rack This section describes what to do before installing on a rack and how to rack mount Before Installing on a Rack How to Rack Mount Before installing on a rack be sure that the environment is within the recommended range To rack mount a machine 1 Attach both ear brackets to the Operating temperature range 5 to 45 Deg Centigrade Operating humidity range 5 to 65 RHL non condensing Storage temperature range 20 to 70 Deg Centigrade Storage humidity range 5 to 95 RHL non condensing A CAUTION When installing on a 19 rack avoid hazards by taking care that 1 It is located within the recommended environmental conditions as
7. authorized dealer LIMITATION OF IMPLIED WARRANTIES All implied warranties including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty EXCLUSION OF DAMAGES The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option Kramer shall 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 NOTE All products returned to Kramer for service must have prior approval This may be obtained from your dealer This equipment has been tested to determine compliance with the requirements of EN 50081 Electromagnetic compatibility EMC generic emission standard Part 1 Residential commercial and light industry EN 50082 Electromagnetic compatibility EMC generic immunity standard Part 1 Residential commercial and light industry environment CFR 47 FCC Rules and Regulations Part 15
8. ber 5 w feet to the underside 9 Bua G HE7SS 501 Deen Ampiner Step 2 Connect the input and the outputs see section 6 Connect the inputs Connect the LOOP Connect the outputs p HD SD SDI Display 1 HD SD SDI Display 20 Step 3 Turn the power ON KRAMER SIMPLE CREATIVE TECHNOLOGY Overview Overview The VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier is a high performance dual channel distribution amplifier for SDI SMPTE 259M and SMPTE 344M and HD SDI SMPTE 292M signals It will take one input per channel provide reclocking and equalization and distribute each signal to 10 outputs using BNC connectors In particular the VM 20HD e Can be configured as a 1 20 DA e Has an active loop BNC connector on each channel for cascading additional units e Has a video bandwidth of 1 485Gbps that allows it to be used for standard definition and high definition serial digital video signals SD HD SDI e Is SMPTE 259M 292M and 344M compliant e Supports data rates of 270 1483 5 and 1485Mbps e Provides automatic multi rate equalization and reclocking for losses typical with long runs of 75Q co axial cable e Has HD and SD output indication LEDs for each channel To achieve the best performance e 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 quali
9. he following items e VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier e Power cord E 4 e This user manual 2 Getting Started We recommend that you e Unpack the equipment carefully and save the original box and packaging materials for possible future shipment e Rev e Use lew the contents of this user manual Kramer high performance high resolution cables 2 1 Quick Start This quick start chart summarizes the basic setup and operation steps 1 GROUP 1 Distri Video Audio VG bution Amplifiers GROUP 2 Video and Audio Switchers Matrix Switchers and Controllers GROUP 3 A 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 High Definition progressive or inter HD means a video format consisting of either 720 active lines of progressive video or 1080 lines of either aced video 3 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 Download up to 5 The complete list ate Kramer user manuals from the Internet at this URL http www kramerelectronics com of Kramer cables is on our Web site at http www kramerelectronics com Getting Started Step 1 Mount the machine see section 5 Mount the machine in a rack or stick the 4 rub
10. ty cables e Avoid interference from neighboring electrical appliances and position your Kramer VM 20HD away from moisture excessive sunlight and dust Your VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier Figure 1 and Table 1 define the VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier Your VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier 0 0 00 0 0 0 00 9000000000 Figure 1 VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier 4 KRAMER SIMPLE CREATIVE TECHNOLOGY Your VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier Table 1 VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier Features Feature Function 1 POWER Switch Illuminated switch for turning the unit ON or OFF 2 CHANNEL A SD LED The green LED lights when the SDI signal in channel A is SD 3 HD LED The blue LED lights when the SDI signal in channel A is HD 4 CHANNEL B HD LED The blue LED lights when the SDI signal ini channel B iS HD 5 SD LED The green LED lights when the SDI signal in channel B is SD 6 VIDEO IN Connects to the channel B SDI source 7 CHANNEL B LOOP Connects the channel B input to the video input of an BNC additional unit or to the channel A video input 8 Connectors VIDEO Connects to the channel B SDI acceptors from 1 to 10 OUTPUTS 9 VIDEO IN Connects to the channel A SDI source 10 CHANNEL A LOOP Connects the channel A input to the video input of
11. using a Kramer rack adapter kit for a machine that is not 19 see the Rack Adapters user manual for installation instructions you can download it at http Avww kramerelectronics com KRAMER SIMPLE CREATIVE TECHNOLOGY Connecting the VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier 6 Connecting the VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier To connect the VM 20HD as the example in Figure 2 illustrates do the following 1 Connect an HD SDI SD SDI video source for example an HD SD SDI camera to the CHANNEL A VIDEO IN BNC connector 2 Connect the CHANNEL A LOOP BNC connector to the CHANNEL B VIDEO IN BNC connector 3 Connect up to 20 VIDEO OUTPUT BNC connectors to the appropriate HD SD SDI video acceptors for example HD SD SDI displays 4 Connect the power cord not illustrated in Figure 2 xs HD SD SDI Camera HD SD SDI Display 1 HD SD SDI Display 20 Figure 2 Connecting the VM 20HD Dual 1 10 HD SD SDI Distribution Amplifier 1 Switch OFF the power on each device before connecting it to your VM 20HD After connecting your VM 20HD switch on its power and then switch on the power on each device 2 You do not have to connect all the outputs connect only those that are required and leave the other output s unconnected 7 Technical Specifications 7 Technical Specifications Table 2 includes the technical specifications Table 2 Technical Specifications of the VM
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