Kramer Electronics, Ltd.
Contents Contents 1 2 2.
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.
Getting Started 2 KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview 3 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: Can be configured as a 1:20 DA Has an active loop BNC connector on each channel, for cascading additional units Has a video bandwidth of 1.
Your VM-20HD Dual 1:10 HD/SD - SDI Distribution Amplifier 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 # 1 2 3 4 5 6 7 8 9 10 11 12 Feature POWER Switch 1 SD LED CHANNEL A 2 HD LED 2 HD LED CHANNEL B SD1 LED VIDEO IN CHANNEL B LOOP BNC Connectors VIDEO OUTPUTS VIDEO IN CHANNEL A LOOP BNC Connectors VIDEO OUTPUTS Power Connector with Fuse Function Illuminated switch for turning the unit ON or OFF The green LED lights when the SDI signal in channel A is SD The blue LED lights when
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 Before installing on a rack, be sure that the environment is within the recommended range: How to Rack Mount To rack-mount a machine: 1 Attach both ear brackets to the 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.
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 following1: 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.
Technical Specifications 7 Technical Specifications Table 2 includes the technical specifications: Table 2: Technical Specifications1 of the VM-20HD INPUTS: OUTPUTS: RESOLUTION: MAX. OUTPUT LEVEL: MAX. BAUD RATE: COUPLING: POWER SOURCE: DIMENSIONS: WEIGHT: ACCESSORIES: 2 SMPTE-259M, 292M, 344M serial video, 75 ohms on a BNC connector 22 equalized and reclocked SMPTE-259M, 292M, 344M outputs, 75 ohms on BNC connectors 8 and 10-bits (automatic) 800mVpp /75 ohms 1.
LIMITED WARRANTY Kramer Electronics (hereafter Kramer) warrants this product free from defects in material and workmanship under the 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 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.
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.
