Kramer VP-440H2 User manual

P/N: 2900-300644 Rev 2 www.KramerAV.com
USER MANUAL
MODEL:
VP-440H2
4K Presentation Switcher/Scaler

VP-440H2 –Introduction
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Contents
Introduction 1
Getting Started 1
Overview 2
Typical Applications 3
Defining VP-440H2 4K Presentation Switcher/Scaler 4
Installing in a Rack 6
Connecting VP-440H2 7
Connecting to the VP-440H2 via RS-232 8
Microphone Pinout 8
Controlling External Devices via HDBT 9
Operating VP-440H2 10
Using the Front Panel Controls 10
Using the OSD Menu 11
Operating via Ethernet 15
Using the Embedded Web Pages 18
Technical Specifications 33
Input Resolutions 34
Output Resolutions 35
Default Communication Parameters 35
Protocol 3000 36
Understanding Protocol 3000 37
Kramer Protocol 3000 Syntax 37
Protocol 3000 Commands 39
Parameters 58
Video Resolutions 58

Kramer Electronics Ltd.
VP-440H2 –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!
Our 1,000-plus different models now appear in 14 groups that are clearly defined by function:
GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers; GROUP 3: Control
Systems; GROUP 4: Format & Standards Converters; GROUP 5: Range Extenders &
Repeaters; GROUP 6: Specialty AV Products; GROUP 7: Scalers; GROUP 8: Cables and
Connectors; GROUP 9: Room Connectivity; GROUP 10: Mounting and Rack Adapters;
GROUP 11: Sierra Video; GROUP 12: Digital Signage; GROUP 13: Audio; GROUP 14:
Collaboration; and GROUP 15: KM & KVM Switches.
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/VP-440H2 to check for up-to-date user manuals,
application programs, and to check if firmware upgrades are available (where appropriate).
Achieving the 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 neighbouring electrical appliances that may adversely influence
signal quality.
Position your Kramer VP-440H2 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.

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VP-440H2 –Introduction
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Safety Instructions (DC)
Caution:
There are no operator serviceable parts inside the unit
Warning:
Use only the Kramer Electronics power supply that is provided with the unit
Warning:
Disconnect the power and unplug the unit from the wall before installing
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 VP-440H2 4K Presentation Switcher/Scaler.
VP-440H2 is a high−performance 4K@60Hz (4:4:4) presentation scaler/switcher with one
HDBaseT/POE, three HDMI and one computer graphics (VGA) inputs. The unit scales the
video, embeds the audio and outputs the signal to an HDMI output and an HDBaseT output
simultaneously. The unit includes analog and embedded audio inputs and outputs.
PixPerfect™ Scaling Technology – Kramer’s precision pixel mapping and high–quality
scaling technology.
HDTV Compatible.
HDCP Compliant.
HDBaseT Certified.
System Range –For the HDBT inputs and outputs, extended reach of up to 100m (330ft)
using Kramer recommended cables.
For optimum range and performance using HDBaseT™, use recommended Kramer cables,
available at www.kramerav.com/product/VP-440H2.
Supports Input PoE (Power over Ethernet) for powering the transmitter
Max. HDMI Resolution –4K@60Hz (4:4:4).
Max. HDBaseT Resolutions –4K@30Hz / 4K@60 (4:2:0)
Max. VGA Resolution –1920 x 1200 @60Hz.
Multiple Aspect Ratio Selections –Full, best fit, overscan, underscan, letter box and
panscan.
Built–in ProcAmp –Color, hue, sharpness, noise, contrast and brightness.
Constant Output Sync –No output disruption while switching between inputs when no
video is detected.

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VP-440H2 –Introduction
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Auto Input Switching –Last connected & auto-scan, selectable.
Powerful Audio Features –Via DSP technology including audio equalization, mixing,
delay, etc.
Audio –With individual input and output level controls.
Audio embedding and de-embedding
Companion AFV (Audio-Follow-Video) –Stereo audio for HDMI and PC inputs, on 3.5mm
mini jacks.
Microphone Input –For mixing, switching or talk–over.
HDBaseT Tunnelling –Supports full HDBT tunnelling of Ethernet and RS–232 data.
Front Panel Lockout.
Non–Volatile Memory –Saves final settings.
Flexible Control Options –Front panel push buttons, RS–232, OSD (on–screen display)
menu with front panel navigation buttons, Ethernet with built–in Web pages.
Control your VP-440H2:
Directly, via the front panel push buttons
By RS-232 serial commands transmitted by a touch screen system, PC, or other serial
controller
Via the OSD (on-screen display)
Via the Ethernet with built-in Web pages
The VP-440H2 is housed in a 1/2 19" 1U enclosure, enabling 2 units to be rack mounted side-
by-side in a 1U rack space with the optional RK-1 universal rack adapter.
For optimum range and performance use the recommended Kramer cables available
at www.kramerav.com/product/VP-440H2.
Typical Applications
VP-440H2 is ideal for the following typical applications:
Educational –classrooms, lecture theaters
Projection systems in conference rooms, boardrooms, hotels and churches
Home theater up-scaling

Kramer Electronics Ltd.
VP-440H2 –Defining VP-440H2 4K Presentation Switcher/Scaler
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Defining VP-440H2 4K
Presentation Switcher/Scaler
This section defines VP-440H2.
Figure 1: VP-440H2 4K Presentation Switcher/Scaler Front Panel
#
Feature
Function
48 V () Slide Switch
Slide up (48V) to select a condenser type microphone; slide down to select a
dynamic type microphone (we recommend that you slide down if a microphone is
not connected to the VP-440H2).
MIC 6.3mm Jack
Connect to the microphone.
Input Selector
Buttons
HDBT IN
Press to select the HDBT input.
HDMI IN
Press to select the HDMI input (from 1 to 3).
PC IN
Press to select the computer graphics input.
MENU Button
Displays the OSD menu.
Navigation
Buttons

Press to decrease numerical values or select from several definitions.
When not in the OSD menu, press to reduce the output volume.

Press to move up the menu list values.

Press to increase numerical values or select from several definitions.
When not in the OSD menu, press to increase the output volume.

Press to move down the menu list.
ENTER
Press to accept changes and change the SETUP parameters.
RESET TO XGA/1080p
Button
Press and hold for about 5 seconds to toggle the output resolution between XGA
and 1080p, alternatively.
PANEL LOCK Button
Press and hold for about 5 seconds to lock/unlock the front panel buttons.

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VP-440H2 –Defining VP-440H2 4K Presentation Switcher/Scaler
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Figure 2: VP-440H2 4K Presentation Switcher/Scaler Rear Panel
#
Feature
Function
CONTROL (Tx, Rx, GND)
Terminal Block Connectors
Connect to the PC or the serial controller to control the device.
HDBT IN RS-232
Terminal Block Connectors
Connect to an RS-232 controller to control peripheral devices that are connected
to the HDBT transmitter (for example, a Blu-ray player connected to WP-20) or
connect to a device to control from a controller at the HDBT transmitter (see
Controlling External Devices via HDBT on page 9).
HDBT OUT RS-232
Terminal Block Connectors
Connect to an RS-232 controller to control peripheral devices that are connected
to the HDBT receiver (for example, a projector connected to TP-580Rxr) or
connect to a device to control from a controller at the HDBT receiver (see
Controlling External Devices via HDBT on page 9).
AUDIO
INPUT
Unbalanced
Stereo 3.5
Mini Jack
HDMI
Connect to the analog audio HDMI source (from 1 to 3).
PC
Connect to the analog audio computer graphics source.
AUDIO OUT 3.5 Mini Jack
Connect to an unbalanced stereo audio acceptor.
ETHERNET Connector
Connects to the PC or other controller through computer networking.
VIDEO
INPUT
Connectors
HDBT IN RJ-
45
Connect to an HDBT transmitter (for example, WP-20).
Can supply PoE (up to 13W) to the transmitter.
HDMI IN
Connect to the HDMI source (from 1 to 3).
PC IN on15-
pin HD
Connect to the computer graphics source.
HDBT OUT RJ-45 Connector
Connect to an HDBT receiver (for example, TP-580Rxr).
HDMI OUT Connector
Connect to the HDMI acceptor.
48V DC Power Terminal
Block
+48V DC connector for powering the unit.

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VP-440H2 –Installing in a Rack
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Installing in a Rack
This section provides instructions for rack mounting VP-440H2. Before installing in a rack,
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.
When installing on a 19" rack, avoid hazards by taking care that:
It is located within recommended environmental conditions. Operating ambient
temperature of a closed or multi-unit rack assembly may exceed ambient room
temperature.
Once rack mounted, there is enough air still flow around VP-440H2.
VP-440H2 is placed upright in the correct horizontal position.
You do not overload the circuit(s). When connecting VP-440H2 to the supply circuit,
overloading the circuits may have a detrimental effect on overcurrent protection and
supply wiring. Refer to the appropriate nameplate ratings for information. For example,
for fuse replacement, see the value printed on the product label.
VP-440H2 is earthed (grounded) and connected only to an electricity socket with
grounding. Pay particular attention when electricity is supplied indirectly (for example,
when the power cord is not plugged directly into the wall socket but to an extension
cable or power strip). Use only the supplied power cord.
To rack-mount VP-440H2:
Use an optional RK-T2B rack adapter.
Some models, may feature built-in rack ears:
Detachable rack ears can be removed for desktop use.
Always mount VP-440H2 in the rack before connecting any cables or power.
If you are using a Kramer rack adapter kit (for a machine that is not 19"), see the Rack
Adapters user manual for installation instructions available from our Web
www.kramerav.com/downloads/VP-440H2.

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VP-440H2 –Connecting VP-440H2
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Connecting VP-440H2
Always switch off the power to each device before connecting it to your VP-440H2. After
connecting your VP-440H2, connect its power and then switch on the power to each device.
Figure 3: Connecting to the VP-440H2 Rear Panel
To connect VP-440H2 as illustrated in the example in Figure 3, do the following:
1. Connect the video sources
A computer graphics source to the PC IN 15-pin HD connector .
An HDBaseT transmitter (for example, Kramer WP-20 Wall Plate Transmitter) to the
HDBT IN RJ-45 connector .
HDMI sources (for example, a laptop, a blue-ray player, and a gaming console) to the
three HDMI IN connectors .
2. Connect an analog stereo audio source (not shown in Figure 3) for each of the three
HDMI inputs and for the PC input to the 3.5mm mini jack connectors .

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VP-440H2 –Connecting VP-440H2
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3. Connect the video outputs:
An HDBaseT receiver (for example, Kramer TP-580Rxr) to the HDBT IN RJ-45
connector .
An HDMI acceptor to the HDMI OUT connector .
4. Connect an unbalanced stereo audio acceptor (for example, active speakers, not shown
in Figure 3) to the AUDIO OUT 3.5mm mini jack .
5. Connect a laptop to the Ethernet RJ-45 connector .
6. Connect an RS-232 controller (for example, Kramer RC-74DL) to the HDBT IN and
HDBT OUT terminal block connectors.
7. Connect the 48V power supply to the 48V DC power terminal block .
8. If required, connect a PC or serial controller (not shown in Figure 3) to the CONTROL
(Tx, Rx, G) terminal block connector, to control the unit via serial control .
Connecting to the VP-440H2 via RS-232
To control VP-440H2 via RS-232:
Connect the RS-232 Terminal block connector on VP-440H2 to the RS-232 9-pin D-sub
port on your PC/controlled device as shown in the PIN table below:
Terminal Block PIN
9-pin D-sub PIN
Tx
PIN 2
Rx
PIN 3
GND
PIN 5
Microphone Pinout
Microphone 6.3mm jack pinout for a
condenser microphone:
Figure 4: Condenser Microphone Pinout
Microphone 6.3mm jack pinout for a
Dynamic microphone:
Figure 5: Dynamic Microphone Pinout

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VP-440H2 –Connecting VP-440H2
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Controlling External Devices via HDBT
Figure 6: Controlling External Devices via HDBT

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VP-440H2 –Operating VP-440H2
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Operating VP-440H2
VP-440H2 can be controlled using any of the following methods:
Front panel controls (see Using the Front Panel Controls on page 10)
OSD Menu, using the front panel buttons (see Using the OSD Menu on page 11)
Embedded web pages (see Using the Embedded Web Pages on page 18).
Protocol 3000 commands via RS-232 and / or TCP control (see Protocol 3000 Commands
on page 39).
Using the Front Panel Controls
Selecting the Input to be Switched to the Outputs
VP-440H2 enables selecting one of five inputs to be switched to the two outputs.
To select the input to be routed to the outputs:
Press the one of the input selector buttons , , or .
OR do one of the following:
Go to the Input Select page of the embedded web pages (see Selecting the Input to be
Switched to the Outputs on page 22).
Use the Protocol 3000 ROUTE command (see ROUTE on page 48).
Selecting the Microphone Type
To select the microphone type:
Move the 48 V button up to select a condenser type microphone or down to select a
dynamic type microphone.
We recommend keeping the switch down if a microphone is not connected to the VP-440H2.
Setting the Resolution to XGA/1080p
To set the resolution from the front panel:
Press the RESET TO XGA/1080p button to reset the video resolution to XGA or
1080p.
Press and hold the RESET TO XGA/1080p button for about 5 seconds to toggle
between switching to XGA or 1080p.

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VP-440H2 –Operating VP-440H2
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Locking the Front Panel Buttons
The front panel buttons can be locked (disabled) to prevent unintentional button pressing.
To lock the front panel buttons:
Press and hold the Panel Lock button for about 5 seconds.
The Panel Lock button lights red and the front panel buttons are locked.
To unlock the front panel buttons:
Press and hold the Panel Lock button for about 5 seconds.
The Panel Lock button light goes out and the front panel buttons are unlocked.
Using the OSD Menu
The front panel navigation buttons enable you to control VP-440H2 via the OSD menu.
To use the OSD menu:
1. Press the MENU button to enter the menu.
The OSD menu appears on the video output display.
2. Use the navigation buttons :
Press the ENTER button to accept changes or to change the parameters.
Press the arrow buttons to move through the OSD menu.
3. On the OSD menu, select EXIT to exit the menu.
If there is no button activity for the defined timeout period while within the OSD menu, the
menu disappears from the display.
OSD Menus and Submenus
Menu
Sub menu
Parameter
Parameters Description
Picture
CONTRAST
Set the contrast level.
BRIGHTNESS
Set the brightness level.
FINETUNE
(HDMI/HDBT)
HUE
Set these parameters for the HDMI and HDBT
inputs only.
SATURATION
SHARPNESS
NR (NOISE
REDUCTION)
FINETUNE (PC)
PHASE
Set these parameters for the PC input only.
CLOCK
H_POSITION
V_POSITION
COLOR
RED
Set the color levels.
GREEN
BLUE

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VP-440H2 –Operating VP-440H2
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Menu
Sub menu
Parameter
Parameters Description
Input
SOURCE
Select the input to be switched to the output.
Output
SIZE
Select the image size: FULL, OVERSCAN,
UNDER1, UNDER2, LETTERBOX, PANSCAN or
BEST FIT
4KIN > 4KOUT
Select BYPASS to avoid scaling when the input
resolution is 4K and the output is set to 4K.
Select SCALER to enable 4K to 4K scaling.
See 4K In to 4K Out Bypassing on page 14.
RESOLUTION
Select the required resolution for the output.
AUDIO
OUTPUT VOLUME
Set the volume for the outputs.
SOURCE
HDMI1
Select EMBEDDED for the embedded HDMI audio
ANALOG for the analog audio that corresponds to
the output, or AUTOMATIC.
HDMI2
HDMI3
SETTING
DELAY
Select the audio delay time, 40ms–200ms.
DRC (Dynamic
Range
Compression)
Set to ON to dynamically create a sound range
according to the volume level. For example, in a
movie, the volume is high enough to hear dialogue
and at the same time loud, sudden noises are toned
down.
BASS
Set the bass level.
TREBLE
Set the treble level.
LOUDNESS
Enable / disable the loudness function.
MIC SETTINGS
MIC MODE
Select the microphone mode from the following:
OFF / MIXER / TALKOVER / MIC ONLY.
IN TALKOVER MIC MODE, SET THE FOLLOWING (see Microphone
Talkover on page 15 for details):
DEPTH
Set the decrease of the audio level during
microphone talkover.
TRIGGER
Set the microphone threshold level that triggers the
audio output-level decrease.
ATTACK TIME
Set the transition time of the audio level reduction
after the signal rises above the threshold level.
HOLD TIME
Set the time period that talkover remains active after
the signal falls below the threshold level.
RELEASE TIME
Set the transition time for the audio level to return
from its reduced level to its normal level after the
Hold Time period.
MIC VOLUME
MIC
Set the microphone input volume.
INPUT VOLUME
HDBT
Set the volume for each video input.
HDMI1
HDMI2
HDMI3
PC
MUTE
Mute the audio output.

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VP-440H2 –Operating VP-440H2
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Menu
Sub menu
Parameter
Parameters Description
OSD
H POSITION
Adjust the OSD horizontal/vertical position on the
video display.
V POSITION
TIMER
Set the timeout for the OSD to disappear from the
display when not in use.
TRANSPARENCY
Set the OSD background between 100 (transparent)
and 0 (opaque).
DISPLAY
Select how information is shown on the display
during operation:
INFO: the information is shown for 10 seconds
ON: the information is shown constantly
OFF: the information is not shown
ADVANCED
HDCP ON INPUT
HDBT
Enable/disable HDCP for each of the inputs.
HDMI1
HDMI2
HDMI3
HDCP ON
OUTPUT
HDMI OUT
Enable/disable HDCP for each of the outputs.
HDBT OUT
AUTO-SYNC OFF
This feature shuts down VP-440H2 when there are
no active inputs. Select one of the following:
OFF –disable the AUTO SYNC OFF feature
FAST –shuts down after about 10 seconds
SLOW –shuts down after about 2 minutes
AUTO SWITCHING
Select one of the following to set the input with the
highest scan priority, to select “Last connected”
operation, or to disable auto switching:
Off: Disables auto switching
Scan from HDMI / HDBT / PC: Set auto-scanning,
and select from which input to begin the scanning
Last connected: When detecting that a source is
connected to an input (which previously had no
signal), automatically switch to that input
EDID MANAGE
HDMI 1 EDID
Set the EDID for each input.
HDMI 2 EDID
HDMI 3 EDID
HDBT EDID
PC EDID
ETHERNET
IP MODE
Set the IP mode to DHCP or Static.
STATIC IP
ADDRESS
Define the IP address.
SUBNET MASK
Define the Subnet Mask.
DEFAULT
GATEWAY
Define the Default Gateway.
CONTROL PORT
Enter the control port.
IP
View the IP address.

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VP-440H2 –Operating VP-440H2
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Menu
Sub menu
Parameter
Parameters Description
MAC ADDRESS
View the MAC address.
INFO
SOURCE
View the selected video input.
INPUT
View the in input resolution.
OUTPUT HDMI
View the HDMI output resolution.
OUTPUT HDBT
View the HDBT output resolution.
VERSION:
Displays the FW version.
FACTORY
RESET
Resets all system settings to factory default and
erases any saved configurations.
SOFT RESET
Power cycles the unit.
4K In to 4K Out Bypassing
VP-440H2 can upscale to any resolution (up to 4K), or downscale (from up to 4K) to any
resolution. Although the VP-440H2 enables “cross-scaling” (that is, scaling the output to the
same resolution as the input), this may result in picture quality deterioration –especially when
the output refresh rate is different to the input refresh rate.
To overcome the artifacts of 4K to 4K scaling:
In the OSD menu, select Output > 4K in->4K out > ByPass
–OR–
On the Output Settings page of the embedded web pages select 4Kin->4Kout >
ByPass.
When set to ByPass, all 4K resolutions can be processed to the same refresh rate without
scaling, and conversion from 4:4:4 to/from 4:2:0 color space can be performed.
BYPASS must be selected in order to support 4K HDR functionality.
The following table displays the resolutions that can be bypassed:
Input Resolution
Selected Output
Resolution
Bypass Path
4K@24
4K@24
4K@25
4K@25
4K@30
4K@30
4K@50 4:4:4
4K@50 4:4:4
4K@50 4:4:4
4K@50 4:2:0
4K@50 4:2:0
4K@50 4:4:4
4K@60 4:4:4
4K@60 4:4:4
4K@60 4:4:4
4K@60 4:2:0
4K@60 4:2:0
4K@60 4:4:4

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VP-440H2 –Operating VP-440H2
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Microphone Talkover
Figure 7: Microphone Talkover Mode
Operating via Ethernet
You can connect to the VP-440H2 via Ethernet using either of the following methods:
Directly to the PC using a crossover cable (see Connecting the Ethernet Port Directly
to a PC on page 15)
Via a network hub, switch, or router, using a straight-through cable (see Connecting
the Ethernet Port via a Network Hub or Switch on page 17)
Connecting the Ethernet Port Directly to a PC
You can connect the Ethernet port of the VP-440H2 directly to the Ethernet port on your PC
using a crossover cable with RJ-45 connectors.
This type of connection is recommended for identifying the VP-440H2 with the factory
configured default IP address.
After connecting the VP-440H2 to the Ethernet port, configure your PC as follows:
1. Click Start > Control Panel > Network and Sharing Center.
2. Click Change Adapter Settings.
3. Highlight the network adapter you want to use to connect to the device and click Change
settings of this connection.

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VP-440H2 –Operating VP-440H2
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The Local Area Connection Properties window for the selected network adapter appears as
shown in Figure 8.
Figure 8: Local Area Connection Properties Window
4. Highlight Internet Protocol Version 4 (TCP/IPv4).
5. Click Properties.
The Internet Protocol Properties window relevant to your IT system appears.
Figure 9: Internet Protocol Version 4 Properties Window
6. Select Use the following IP Address for static IP addressing and fill in the details as
shown in Figure 10.

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For TCP/IPv4 you can use any IP address in the range 192.168.1.1 to 192.168.1.255
(excluding 192.168.1.39) that is provided by your IT department.
Figure 10: Internet Protocol Properties Window
7. Click OK.
8. Click Close.
Connecting the Ethernet Port via a Network Hub or Switch
You can connect the Ethernet port of the VP-440H2 to the Ethernet port on a network hub or
using a straight-through cable with RJ-45 connectors.
Configuring the Ethernet Port
You can set the Ethernet parameters via the embedded Web pages (Configuring Network
Settings on page 23).

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VP-440H2 –Operating VP-440H2
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Using the Embedded Web Pages
The web pages let you control the VP-440H2 via the Ethernet. They are accessed using a web
browser and an Ethernet connection.
Before attempting to connect, ensure that your browser is supported. See Technical
Specifications on page 33 for a list of supported browsers.
The VP-440H2 web pages enable performing the following:
Loading and Saving Configurations on page 19
Entering Standby Mode on page 20
Configuring Video Input Settings on page 21
Selecting the Input to be Switched to the Outputs on page 22
Freezing or Clearing the Video Output on page 22
Adjusting Microphone and Output Volume on page 22
Configuring Network Settings on page 23
Upgrading the Firmware on page 24
Configuring Video Output Settings on page 25
Configuring HDCP per Input/Output on page 27
Managing EDID on page 28
Adjusting Audio Input Settings on page 29
Adjusting Microphone Settings on page 30
Configuring Automatic Switching Settings on page 31
Defining Freeze Button on page 32