K R A ME R E LE CT R O N IC S L TD .
Contents 1 Introduction 1 2 2.1 2.2 2.3 3 3.1 Getting Started Achieving the Best Performance Safety Instructions Recycling Kramer Products Overview Defining the VM-12HDCP 1:12 DVI Distributor 2 2 3 3 4 4 4 Installing in a Rack 6 5 Connecting the VM-12HDCP 7 6 6.1 6.
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 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).
2.2 Safety Instructions ! 2.3 Caution: There are no operator serviceable parts inside the unit Warning: Use only the power cord that is supplied with the unit Warning: Do not open the unit.
3 Overview The VM−12HDCP is an HDCP−compliant distribution amplifier for DVI−D signals with resolution up to 1080p or UXGA. It reclocks and equalizes the signal and distributes it to twelve identical outputs. In particular, the VM-12HDCP features: A maximum data rate of 4.95Gbps (1.65Gbps per graphic channel).
VM-12HDCP – Overview Figure 1: VM-12HDCP 1:12 DVI Distributor Front Panel # Feature Function 1 POWER Switch Illuminated switch for turning the unit ON or OFF 2 EDID READ Button Press to read the EDID of the selected display SELECT Button Select the desired display for EDID information 3 4 OUTPUT STATUS LEDs (from 1 to 12) LEDs light when an output(s) is connected and active; LEDs flash when selecting EDID (see Section 6) 5 INPUT DVI Connector Connect to the DVI source 6 OUTPUT DVI Connect
4 Installing in a Rack This section provides instructions for rack mounting the unit.
5 Connecting the VM-12HDCP i Always switch off the power to each device before connecting it to your VM-12HDCP. After connecting your VM-12HDCP, connect its power and then switch on the power to each device. To connect the VM-12HDCP as illustrated in the example in Figure 2, do the following: 1. Connect a DVI source (for example, a computer) to the INPUT connector. i We recommend that you always use the same color-space at the input to reduce the transient effect while changing the input source. 2.
Figure 2: Connecting the VM-12HDCP 1:12 DVI Distributor 8 VM-12HDCP - Connecting the VM-12HDCP
6 Acquiring the EDID The VM-12HDCP initially operates with the default EDID. This means that you can turn ON the power before connecting any of the acceptors or the source. This section describes the two EDID operation states: Simple (see Section 6.1) Normal (see Section 6.2) i 6.1 Note that once EDID is acquired, the VM-12HDCP front panel buttons are disabled for up to two minutes.
6.2.1 Acquiring the EDID from a Selected Output To select an EDID from a selected output, do the following: 1. Press the SELECT button, as required, to reach the desired output, which flashes. 2. Press the READ button. The EDID of the selected output is stored in the non-volatile memory when the READ button no longer illuminates as well as the selected output LED. 6.2.2 Restoring the Default EDID To restore the default EDID, do the following: 1.
7 Technical Specifications INPUT: 1 DVI, 1.2Vpp on a DVI connector; DDC signal 5Vpp (TTL) OUTPUTS: 12 DVI, 1.2Vpp on DVI connectors; DDC signal 5Vpp (TTL) BANDWIDTH: 4.95Gbps (1.
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.
