Kramer VS-44H2 User manual

P/N: 2900-300654 Rev 1 www.kramerAV.com
USER MANUAL
MODEL:
VS-44H2
4K 4x4 Matrix Switcher

Kramer Electronics Ltd.
VS-44H2 –Contents
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Contents
Introduction 1
Getting Started 1
Overview 2
Typical Applications 3
Defining VS-44H2 4K 4x4 Matrix Switcher 4
Mounting VS-44H2 6
Connecting VS-44H2 7
Connecting to VS-44H2 via RS-232 8
Operating VS-44H2 Via Front Panel Buttons 9
Switching Inputs to Outputs 10
Switching an Input to All the Outputs 10
Muting Outputs 10
Switching a Pattern to an Input 11
Storing and Recalling Presets 11
Locking and Unlocking Front Panel Buttons 12
Assigning EDID to Inputs 12
Operating via Ethernet 13
Using Embedded Webpages 16
Browsing VS-44H2 Webpages 17
Defining Global Settings 18
Routing Inputs to Outputs 21
Defining HDMI Input Port Parameters 23
Defining HDMI Output Parameters 24
Managing EDID 27
Configuring Device Automation 32
Restarting and Resetting to Factory Default Parameters 33
Changing Device Name 35
Setting Authentication 36
Changing the Ethernet Settings 37
Performing Firmware Upgrade 39
Setting Date and Time 40
Viewing General Version Information 41
Upgrading Firmware 42
Technical Specifications 43
Default Communication Parameters 44
Default EDID 44
Protocol 3000 46
Understanding Protocol 3000 46
Protocol 3000 Commands 47
Result and Error Codes 62

Kramer Electronics Ltd.
VS-44H2 –Introduction
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 the
video, audio, presentation, and broadcasting professional on a daily basis. In recent years, we
have redesigned and upgraded most of our line, making the best even better!
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.
Go to www.kramerav.com/downloads/VS-44H2 to check for up-to-date user manuals,
application programs, and to check if firmware upgrades are available (where appropriate).
Achieving Best Performance
•Use only good quality connection cables (we recommend Kramer high-performance,
high-resolution cables) to avoid interference, deterioration in signal quality due to poor
matching, and elevated noise levels (often associated with low quality cables).
•Do not secure the cables in tight bundles or roll the slack into tight coils.
•Avoid interference from neighboring electrical appliances that may adversely influence
signal quality.
•Position your Kramer VS-44H2 away from moisture, excessive sunlight and dust.
Safety Instructions
Caution:
•This equipment is to be used only inside a building. It may only be connected to other
equipment that is installed inside a building.
•For products with relay terminals and GPI\O ports, please refer to the permitted rating
for an external connection, located next to the terminal or in the User Manual.
•There are no operator serviceable parts inside the unit.
Warning:
•Use only the power cord that is supplied with the unit.
•Disconnect the power and unplug the unit from the wall before installing.
•Do not open the unit. High voltages can cause electrical shock! Servicing by qualified
personnel only.
•To ensure continuous risk protection, replace fuses only according to the rating
specified on the product label which located on the bottom of the unit.

Kramer Electronics Ltd.
VS-44H2 –Introduction
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Recycling Kramer Products
The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC aims to reduce
the amount of WEEE sent for disposal to landfill or incineration by requiring it to be collected
and recycled. To comply with the WEEE Directive, 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 www.kramerav.com/support/recycling.
Overview
Congratulations on purchasing your Kramer VS-44H2 4K 4x4 Matrix Switcher.
VS-44H2 is a high-performance 4x4 matrix switcher for 4K@60Hz (4:4:4) HDR signals. It
reclocks and equalizes the signals and can route any one of 4 HDMI™, HDCP-compliant
sources (selectable) to any or all outputs simultaneously.
VS-44H2 provides exceptional quality, and advanced and user-friendly operation.
Exceptional Quality
•High-Performance AV Matrix –Switches four 4K@60Hz (4:4:4), HDR, HDMI, HDCP
(2.2/1.4)–compliant signals to four 4K@60Hz (4:4:4), HDR, HDMI, HDCP (2.2/1.4)–
compliant outputs at up to 18G data rate, featuring Kramer re-Klocking™ and
Equalization Technology that rebuilds the digital signal to travel longer distances.
For optimum range and performance, use recommended Kramer cables.
•HDMI Support –Deep Color, 3D, up to 7.1 uncompressed audio channels as specified in
HDMI 2.0.
Advanced and User-friendly Operation
•Quick Access to Common Configurations –Save up to 8 preset configurations.
•Simple and Powerful Maestro Room Automation –Intuitive user interface enables you to
fully automate your meeting room elements. Configure lights, shades, devices and more
to be activated by an extensive range of triggers, including scheduling, input/output
connectivity, routing, and button pressing. By minimizing user intervention, Maestro
room automation saves meeting prep time and minimizes human error before
presentations.
•Smart Switching –Active source & acceptor detection. Automatic input selection based
on priority selection or last connected input.
•Embedded Pattern Generator –With selectable patterns.

Kramer Electronics Ltd.
VS-44H2 –Introduction
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•Convenient Unit Control and Configuration Options –Local control via front panel
switching, memory, lock and EDID buttons, and input/output LED display. Distance
control via user-friendly embedded webpages via the Ethernet, Protocol 3000 API, and
RS-232 serial commands transmitted by a PC, touch screen system or other serial
controller.
•EDID Management –Individual EDID management per input. Captures and stores the
EDID from a display device.
•Flexible Content Protection –Selectable HDCP per input.
•Cost–Effective Maintenance –Input selection indicators facilitate easy local maintenance
and troubleshooting. Firmware upgrade via Ethernet.
•Easy Installation –19” enclosure for rack mounting in a 1U rack space with included rack
ears and universal 100–240V AC power supply.
Typical Applications
VS-44H2 is ideal for the following typical applications:
•Control rooms with multiple displays.
•Presentation and multimedia applications.
•Systems that require automatic HDMI routing.
Controlling your VS-44H2
Control your VS-44H2 directly via the front panel push buttons, or:
•By RS-232 serial commands transmitted by a touch screen system, PC, or other serial
controller.
•Via the Ethernet using built-in user-friendly webpages.

Kramer Electronics Ltd.
VS-44H2 –Defining VS-44H2 4K 4x4 Matrix Switcher
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Defining VS-44H2 4K 4x4 Matrix
Switcher
This section defines VS-44H2.
Figure 1: VS-44H2 4K 4x4 Matrix Switcher Front Panel
#
Feature
Function
IN Select Buttons
(1 to 4)
Press to select the input to switch after selecting an output (also used for
storing/recalling machine setups).
OUT Select Buttons
(1 to 4)
Press to select an output to switch to followed by an input (also used for
storing/recalling machine setups.
MUTE/PATTERN
Button
Press to view the current pattern status and select the output/s to which a
pattern is routed.
Press to mute audio and video on a selected output. Press the selected
output and then press MUTE.
ALL Button
Press followed by an input button to connect the selected input to all
outputs.
For example, press ALL and then Input button # 2 to connect input # 2 to all
the outputs.
STO Button
Press STO followed by an IN or OUT (1 to 4) button to store the current
switching configuration to the location corresponding to that INPUT number.
RCL Button
Press RCL followed by the corresponding IN or OUT (1 to 4) button to recall
the preset switching configuration saved in that location.
LOCK Button
Press and hold to toggle between locking and releasing the front panel
buttons.
EDID Button
Press to enter the EDID mode.
OUTPUT/INPUT 7-
segment LED
Display
Displays the input currently switched to the output which is marked above
each input.
1
2
3
4
5
6
7
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9

Kramer Electronics Ltd.
VS-44H2 –Defining VS-44H2 4K 4x4 Matrix Switcher
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Figure 2: VS-44H2 4K 4x4 Matrix Switcher Rear Panel
#
Feature
Function
HDMI™ INPUT Connectors (1 to 4)
Connect to up to 4 HDMI sources.
HDMI OUTPUT Connectors (1 to 4)
Connect to up to 4 HDMI acceptors.
5V/2A USB Port
Use to charge a device.
PROG USB Mini Port
Connect to a PC/serial controller to control the device.
Reset Button
Press and hold for about 8 seconds to reset the configuration
to its default parameters.
ETHERNET RJ-45 Connector
Connect to a PC via a LAN.
RS-232 9-pin D-sub Connector
Connect to a PC/serial controller to control the device.
Mains Power Connector Fuse
Plug in the power cord.
Power Illuminated Switch
Turn the device on and off.
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Kramer Electronics Ltd.
VS-44H2 –Mounting VS-44H2
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Mounting VS-44H2
This section provides instructions for mounting VS-44H2. Before installing, verify that the
environment is within the recommended range:
•Operation temperature –0to 40C (32 to 104F).
•Storage temperature –-40to +70C (-40 to +158F).
•Humidity –10% to 90%, RHL non-condensing.
Caution:
•Mount VS-44H2 before connecting any cables or power.
Warning:
•Ensure that the environment (e.g., maximum ambient temperature & air flow) is
compatible for the device.
•Avoid uneven mechanical loading.
•Appropriate consideration of equipment nameplate ratings should be used for avoiding
overloading of the circuits.
•Reliable earthing of rack-mounted equipment should be maintained.
Mount VS-44H2 in a rack:
•Attach both rack ears by removing the screws from each side of
the machine and replacing those screws through the rack ears.

Kramer Electronics Ltd.
VS-44H2 –Connecting VS-44H2
7
Connecting VS-44H2
Always switch off the power to each device before connecting it to your VS-44H2. After
connecting your VS-44H2, connect its power and then switch on the power to each device.
Figure 3: Connecting to the VS-44H2 Rear Panel
To connect VS-44H2 as illustrated in the example in Figure 3:
1. Connect up to four HDMI sources (for example, Blu-ray players and laptops) to the
HDMI INPUT connectors .
2. Connect the HDMI OUTPUT connectors to up to four HDMI acceptors (for example,
projectors and displays).
3. Connect the power adapter to VS-44H2 and to the mains electricity (not shown in
Figure 3).
4. Connect the ETHERNET RJ-45 port to the Network.
5. Connect the RS-232 port to a controller (for example, a laptop).
6. Connect the power.
10
11
15
16

Kramer Electronics Ltd.
VS-44H2 –Connecting VS-44H2
8
Connecting to VS-44H2 via RS-232
You can connect to VS-44H2 via an RS-232 connection using, for example, a PC.
VS-44H2 features an RS-232 3-pin terminal block connector allowing the RS-232 to control
VS-44H2.
Connect the RS-232 terminal block on the rear panel of VS-44H2 to a PC/controller, as
follows:
From the RS-232 9-pin D-sub serial port connect:
•Pin 2 to the TX pin on the VS-44H2 RS-232 terminal
block
•Pin 3 to the RX pin on the VS-44H2 RS-232 terminal
block
•Pin 5 to the G pin on the VS-44H2 RS-232 terminal
block
RS-232 Device VS-44H2
13