K R A ME R E LE CT R O N IC S L TD .
Contents 1 Introduction 1 2 2.1 Getting Started Achieving the Best Performance 2 2 3 3.
1 Introduction Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world of unique, creative, and affordable solutions to the vast range of problems that confront video, audio, presentation, and broadcasting professionals on a daily basis.
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 i 2.1 Go to http://www.kramerelectronics.com/support/product_downloads.asp to check for up-to-date user manuals, application programs, and to check if firmware upgrades are available (where appropriate).
3 Overview The VM−2HDxl is a high−performance distribution amplifier for 3G HD−SDI signals. The unit takes one input, provides reclocking and equalization and distributes the signal to two identical outputs. In particular, the VM-2HDxl features: Cable equalization up to 300m 300m for SD signals; 200m for 1.5GHz HD signals; 100m for 3GHz HD signals (measured with Kramer BC-1X 1 Coax RG-6 Super High-Resolution Cable).
Figure 1: VM-2HDxl 3G HD/SD – SDI DA # Feature Function 1 12V DC +12V DC connector for powering the unit 2 OUT 2 BNC connector Connects to the SDI acceptor 2 3 OUT 1 BNC connector Connects to the SDI acceptor 1 4 HD LED Lights when the SDI signal is HD 5 SD LED Lights when the SDI signal is SD 6 INPUT BNC connector Connects to the SDI source 7 ON LED Lights when receiving power High Definition (HD) means a video format, consisting of 720 active lines of progressive video or 1080 line
4 Connecting the VM-2HDxl i Always switch off the power to each device before connecting it to your VM-2HDxl. After connecting your VM-2HDxl, connect its power and then switch on the power to each device. To connect the VM-2HDxl, as the example in Figure 2 illustrates, do the following: 1. Connect an HD-SDI video source (for example, a camera) to the INPUT BNC connector. 2. Connect up to two video OUT BNC connectors to the appropriate HD-SDI video acceptors (for example, displays).
5 Technical Specifications INPUT: 1 SMPTE-259M / 292M / 344M / 424M serial video, 75Ω on a BNC connector OUTPUTS: 2 equalized and reclocked SMPTE-259M / 292M / 344M / 424M outputs 75Ω on BNC connectors MAXIMUM DATA RATE (3dB): 2.97Gbps MAX. OUTPUT LEVEL: 800mVpp /75Ω COUPLING: AC POWER CONSUMPTION: 12V, 160mA. (Up to 25V may be used to power the machine). A 12V power supply is provided with the VM-2HDxl DIMENSIONS: 6.22cm x 5.24cm x 2.41 cm (2.45" x 2.06" x 0.95") W, D, H. WEIGHT: 0.14kg (0.
For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to this user manual may be found. We welcome your questions, comments, and feedback. Web site: www.kramerelectronics.com E-mail: info@kramerel.
