Kramer VM-4HDT User Manual
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Kramer VM-4HDT User Manual

1:4 hdmi to hdbt da
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USER MANUAL

MODEL:
VM-4HDT
1:4 HDMI to HDBT DA
P/N: 2900-300486 Rev 1
www.kramerAV.com

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Summary of Contents for Kramer VM-4HDT

  • Page 1: User Manual

    USER MANUAL MODEL: VM-4HDT 1:4 HDMI to HDBT DA P/N: 2900-300486 Rev 1 www.kramerAV.com...

  • Page 4: Table Of Contents

    Kramer Protocol 3000 Commands Kramer Protocol 3000 – Detailed Commands Figures Figure 1: VM-4HDT 1:4 HDMI to HDBT DA Figure 2: Connecting the VM-4HDT 1:4 HDMI to HDBT DA Figure 3: VM-4HDT DIP-Switches Figure 4: VM-4HDT DIP-Switches Setup Figure 5: IR/RS-232 Routing Example...

  • Page 5: Introduction

    Room Connectivity; GROUP 10: Accessories and Rack Adapters; GROUP 11: Sierra Video Products; GROUP 12: Digital Signage; GROUP 13: Audio; and GROUP 14: Collaboration. Congratulations on purchasing your Kramer VM-4HDT 1:4 HDMI to HDBT DA, which is ideal for the following typical applications: ...

  • Page 6: Getting Started

    Avoid interference from neighbouring electrical appliances that may adversely influence signal quality  Position your Kramer VM-4HDT away from moisture, excessive sunlight and dust This equipment is to be used only inside a building. It may only be connected to other equipment that is installed inside a building.

  • Page 7: Safety Instructions

    Kramer Electronics has made arrangements with the European Advanced Recycling Network (EARN) and will cover any costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular country go to our recycling pages at http://www.kramerelectronics.com/support/recycling/.

  • Page 8: Overview

    1U rack space using the optional RK-T2B adapter The VM-4HDT supports a range of up to 70m (230ft) at 2K resolutions and 40m (130ft) at 4K resolutions (on shielded BC-HDKat6a cable).

  • Page 9: About Hdbaset™ Technology

    The products described in this user manual are HDBaseT certified. Using Twisted Pair Cable for HDBT Kramer engineers have developed special twisted pair cables to best match our BC−HDKat6a digital twisted pair products; (CAT 6 23 AWG cable) significantly outperforms regular CAT 5 / CAT 6 cables.

  • Page 10: Defining The Vm-4Hdt 1:4 Hdmi To Hdbt Da

    Defining the VM-4HDT 1:4 HDMI to HDBT DA Figure 1 defines the VM-4HDT. Figure 1: VM-4HDT 1:4 HDMI to HDBT DA Feature Function PROGRAM Mini USB Use to send RS-232 Commands (see Section 8.3). Connector Connect to a PC to perform firmware upgrades (via K- Upload) and work with the EDID Designer.

  • Page 11: Connecting The Vm-4Hdt

    Connecting the VM-4HDT Always switch off the power to each device before connecting it to your VM-4HDT. After connecting your VM-4HDT, connect its power and then switch on the power to each device. Connect the VM-4HDT as illustrated in the example in Figure 1.

  • Page 12: Figure 2: Connecting The Vm-4Hdt 1:4 Hdmi To Hdbt Da

    Figure 2: Connecting the VM-4HDT 1:4 HDMI to HDBT DA VM-4HDT - Connecting the VM-4HDT...

  • Page 13: Operating The Vm-4Hdt

    Section 5.2). IR and RS-232 Signal Routing The VM-4HDT can send or receive IR and RS-232 commands via the four HDBT output ports. Each signal can pass commands from the VM-4HDT to a single output, several outputs or all of the outputs or the other way around, from the output/s to the VM-4HDT.

  • Page 14: Figure 4: Vm-4Hdt Dip-Switches Setup

    Projector IR signal Routing To route the IR signal you have to use the Kramer external IR sensor on one end (P/N: 95-0104050) and the Kramer IR emitter cable on the other end (P/N: C-A35/IRE-10). Note that two IR Emitter Extension Cables are available: a...
  • Page 15 In this example, a laptop is connected to the RS-232 terminal block connector on the VM-4HDT and the RS-232 ports on TP-580R (3) and TP-580R (4) are connected to the projector. This type of setup allows you to control the Projectors.

  • Page 16: Figure 5: Ir/Rs-232 Routing Example

    Figure 5: IR/RS-232 Routing Example VM-4HDT - Operating the VM-4HDT...

  • Page 17: Acquiring An Edid

    OUT 1 -> OUT 2 -> OUT 3 -> OUT 4 -> all LEDs flash for a default EDID. 3. When the desired EDID source is reached, release the EDID SETUP button. The VM-4HDT reads the EDID for a few seconds. When finished, all LEDS return to display the present output connection status.

  • Page 18: Default Edid

    Detailed timing #3..1280x720p at 60Hz (16:9) Modeline...."1280x720" 74.250 1280 1390 1430 1650 720 725 730 750 +hsync +vsync Detailed timing #4..720x480p at 60Hz (16:9) Modeline...."720x480" 27.000 720 736 798 858 480 489 495 525 -hsync -vsync VM-4HDT - Default EDID...
  • Page 19 Front center..... No Rear left/right..No Rear center....No Front left/right center.. No Rear left/right center... No Rear LFE....No Report information Date generated... 11/11/2014 Software revision..2.60.0.972 Data source....Real-time 0x0032 Operating system..6.1.7601.2.Service Pack 1 VM-4HDT - Default EDID...

  • Page 20: Technical Specifications

    Data Bits: Stop Bits: Parity: None Factory Reset Protocol 3000 FACTORY command to reset to factory default configuration RS-232 Command Format: ASCII protocol 3000 Example (Route the video HDMI input to the output ports): #ROUTE 1,1,2<cr> VM-4HDT - Technical Specifications...

  • Page 21: Protocol 3000

    Protocol 3000 The VM-4HDT can be operated using serial commands from a PC, remote controller, or touch screen. The unit communicates using the default Kramer Protocol 3000. This section describes:  Kramer Protocol 3000 syntax (see Section 8.1)  Kramer Protocol 3000 commands (see Section 8.2)
  • Page 22 Query sign '?' follows some commands to define a query request. Message closing character CR – For host messages; carriage return (ASCII 13) CRLF – For device messages; carriage return (ASCII 13) + line-feed (ASCII 10) VM-4HDT - Protocol 3000...
  • Page 23 You can directly enter all commands using a terminal with ASCII communications software, such as HyperTerminal, Hercules, etc. Connect the terminal to the serial or Ethernet port on the Kramer device. To enter CR press the Enter key. ( LF is also sent but is ignored by command parser).

  • Page 24: Kramer Protocol 3000 Commands

    Read if input is valid End User Read device serial number End User Note that the some of the following commands differ from the Kramer standard protocol commands. Kramer Protocol 3000 – Detailed Commands This section describes the detailed commands list.
  • Page 25 Response is sent after every change in output HPD status ON to OFF Response is sent after every change in output HPD status OFF to ON and ALL parameters (new EDID, etc.) are stable and valid VM-4HDT - Protocol 3000...
  • Page 26 Response is sent to the com port from which the Set (before execution) / Get command was received Notes For Get, size=0 means EDID is not supported For old devices that do not support this command, ~nn@ ERR 002␍␊ is received VM-4HDT - Protocol 3000...
  • Page 27 Command – MODEL? Command Type – System-mandatory Command Name Permission Transparency Set: Get: MODEL? End User Description Syntax Set: Get : Get device model #MODEL?␍ Response ~nn@MODEL␠model_name␍␊ Parameters model_name – String of up to 19 printable ASCII chars VM-4HDT - Protocol 3000...
  • Page 28 - lock status according to signal validation – 0: Signal or sink is not valid, 1: Signal or sink is valid Response Triggers After execution, a response is sent to the com port from which the Get was received Response is sent after every change in input signal status ON to OFF, or OFF to ON VM-4HDT - Protocol 3000...
  • Page 29 7. Packet structure:  Packet ID (1, 2, 3…) (2 bytes in length)  Length (data length + 2 for CRC) - (2 bytes in length)  Data (data length -2 bytes)  CRC - 2 bytes VM-4HDT - Protocol 3000...
  • Page 30 8.3.1.2 Calculating the CRC The polynomial for the 16-bit CRC is: CRC-CCITT: 0x1021 = x Initial value: 0000 Final XOR Value: 0 For a code example, see: http://sanity-free.org/133/crc_16_ccitt_in_csharp.html CRC example: Data = “123456789” Result => 0x31C3 VM-4HDT - Protocol 3000...
  • Page 32 SAFETY WARNING Disconnect the unit from the power supply before opening and servicing 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.

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