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 3.1 Getting Started Achieving the Best Performance Safety Instructions Recycling Kramer Products Overview Defining the VM-28H, VM-216H 2 Input 1:8/16 HDMI Distributor Using the IR Transmitter 2 2 3 3 4 4 9 4 Installing in a Rack 10 5 5.1 5.2 5.3 5.4 Using the VM-28H/VM-216H Connecting the VM-28H/VM-216H Connecting the VM-28H/VM-216H via RS-232 Operating the VM-28H/VM-216H Using the EDID Button 11 11 14 14 15 6 Technical Specifications 18 7 7.1 7.
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 Kramer VM-28H 2 Input 1:8 HDMI Distributor and VM-216H 2 Input 1:16 HDMI Distributor are high-quality distributors that accept one of two HDMI inputs and distribute the signal to 8/16 outputs, allowing one or more of the outputs to be connected to receiving devices, thus making them a versatile, reliable component in a video system. The VM-28H/VM-216H distributes signals having resolutions up to 1080p, including all HDTV formats.
Figure 1: VM-28H 2-Input 1:8 HDMI Distributor Front Panel # Feature Function 1 IR Receiver The red LED is illuminated when receiving signals from the Kramer Infrared remote control transmitter 2 POWER Switch Illuminated switch for turning the unit ON or OFF 3 IN 1 Button Press to select source 1 and distribute this signal to the outputs (when the EDID button does not illuminate). Also used for acquiring/changing the EDID (see Section 5.
6 Figure 2: VM-28H 2-Input 1:8 HDMI Distributor Rear Panel # Feature Function 8 RS-232 9-pin D-sub Port Connects to the PC or the Remote Controller 9 INPUT 1/2 HDMI Connectors Connects to the HDMI source 1/2 10 OUTPUT HDMI Connector Connects to the HDMI acceptor from 1 to 8 11 REMOTE IR Opening (for the VM-28H) Connects to an external IR receiver unit for controlling the machine via an IR remote controller instead of using the front panel IR receiver Covered by a cap. The 3.
Figure 3: VM-216H 2-Input 1:16 HDMI Distributor Front Panel # Feature Function 1 IR Receiver The red LED is illuminated when receiving signals from the Kramer Infrared remote control transmitter 2 POWER Switch Illuminated switch for turning the unit ON or OFF 3 IN 1 Button Press to select source 1 and distribute this signal to the outputs (when the EDID button does not illuminate). Also used for acquiring/changing the EDID (see Section 5.
8 Figure 1: VM-216H 2-Input 1:16 HDMI Distributor Rear Panel # Feature Function 8 RS-232 9-pin D-sub Port Connects to the PC or the Remote Controller 9 INPUT 1/2 HDMI Connectors Connects to the HDMI source 1/2 10 OUTPUT HDMI Connector Connects to the HDMI from 1 to 16 11 Power Connector with Fuse AC connector enabling power supply to the unit - -
3.1 Using the IR Transmitter You can use the RC-IR3 IR transmitter to control the machine via the built-in IR receiver on the front panel or, instead, via an optional external IR receiver (Model: C-A35M/IRR-50). The external IR receiver can be located up to 15 meters away from the machine. This distance can be extended to up to 60 meters when used with three extension cables (Model: C-A35M/A35F-50).
4 Installing in a Rack This section provides instructions for rack mounting the unit.
5 Using the VM-28H/VM-216H This section describes how to: 5.1 Connect the VM-28H/VM-216H, see Section 5.1 Control the VM-28H/VM-216H via RS-232, see Section 5.2 Operate the VM-28H/VM-216H, see Section 5.3 Use the EDID button, see Section 5.4 Connecting the VM-28H/VM-216H i Always switch off the power to each device before connecting it to your VM-28H, VM-216H. After connecting your VM-28H, VM-216H, connect its power and then switch on the power to each device.
3. If required, connect a PC and/or controller to the RS-232 port (see Section 5.2). 4. Connect the power cord to the mains electricity.
5.1.2 Connecting the VM-216H 2 Input 1:16 HDMI Distributor To connect the VM-216H, as the example in Figure 3 shows, do the following: 1. Connect the HDMI OUTPUT connectors (as required, up to 16 outputs can be connected, not all outputs need to be connected) to up to 16 HDMI acceptors, using Kramer HDMI copper cables.
Figure 3: Connecting a VM-216H 2 Input 1:16 HDMI Distributor 5.2 Connecting the VM-28H/VM-216H via RS-232 You can connect to the VM-28H, VM-216H via an RS-232 connection using, for example, a PC. Note that a null-modem adapter/connection is not required.
5.4 Using the EDID Button Initially, the VM-28H/VM-216H operates with the factory default EDID. You can acquire the EDID from: One output (the selected output LED illuminates) The default EDID (all the output LEDs flash) Several connected outputs, the Auto-mix Mode (the output LEDs flash in sequence) The EDID acquired is a weighted average of all the connected outputs.
5.4.1 Acquiring / Changing the EDID from One Output To acquire or change the EDID of a new output display: 1. Connect the power supply. 2. Connect the new output display device. 3. Press the EDID button for more than 3 seconds. 4. Press an input button (either IN 1 or IN 2) once (depending if you want to copy the new EDID to input 1 or to input 2). The selected input button illuminates. 5. Enter the One output mode as defined in Section 5.4 (with either IN 1 or IN 2). 6.
5. Press the LOCK to copy the default EDID to the input. While the EDID is being copied both the EDID and the Lock buttons flash. The new EDID is copied, when the EDID and the Lock buttons no longer flash. 5.4.3 Acquiring the EDID from Several Outputs To acquire or change an EDID via several connected outputs: 1. Connect the power supply. 2. Connect several output display devices. 3. Press the EDID button for more than 3 seconds. 4. Press an input button (either IN 1 or IN 2) once.
6 Technical Specifications VM-28H INPUTS: 2 on HDMI connectors OUTPUTS: 8 on HDMI connectors BANDWIDTH: Supports up to 2.
7 Protocol 2000 This RS-232/RS-485 communication protocol uses four bytes of information as defined below. For RS-232, a null-modem connection between the machine and controller is used. The default data rate is 9600 baud, with no parity, 8 data bits and 1 stop bit. Note: Compatibility with Kramer’s Protocol 2000 does not mean that a machine uses all of the commands below. Each machine uses a sub-set of Protocol 2000, according to its needs. 7.
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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.
