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27841
User Manual
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Monoprice 27841 User Manual

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Blackbird™ 4K HDBaseT™ 4x4 HDMI® Matrix
P/N 27841
User's Manual
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CONTENTS
SAFETY WARNINGS AND GUIDELINES ....................................................................................................................................... 4
INTRODUCTION ................................................................................................................................................................................................ 5
FEATURES .............................................................................................................................................................................................................. 6
CUSTOMER SERVICE .................................................................................................................................................................................... 6
PACKAGE CONTENTS ................................................................................................................................................................................. 7
PRODUCT OVERVIEW ................................................................................................................................................................................. 7
SAMPLE CONNECTION DIAGRAM ................................................................................................................................................ 12
IR PASS-THROUGH ...................................................................................................................................................................................... 12
BUTTON CONTROL ...................................................................................................................................................................................... 16
GUI CONTROL ................................................................................................................................................................................................. 20
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CEC BUTTONS ................................................................................................................................................................................................. 30
GUI UPDATE ...................................................................................................................................................................................................... 31
RS-232 CONTROL ......................................................................................................................................................................................... 32
RS-232 COMMANDS ................................................................................................................................................................................. 34
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TROUBLESHOOTING ................................................................................................................................................................................. 45
TECHNICAL SUPPORT .............................................................................................................................................................................. 47
SPECIFICATIONS ........................................................................................................................................................................................... 47
SAFETY WARNINGS AND GUIDELINES
Please read this entire manual before using this device, paying extra attention to these
safety warnings and guidelines. Please keep this manual in a safe place for future reference.
This device is intended for indoor use only. Do not expose this device to water or moisture of any kind. Do not place drinks or
other containers with moisture on or near the device. If moisture does get in or on
the device, immediately unplug it from the power outlet and allow it to fully dry
before reapplying power.
Do not touch the device, the power cord, or any other connected cables with wet
hands.
Do not subject the product to extreme force, shock, or fluctuations in temperature
or humidity.
Do not expose this device to excessively high temperatures. Do not place it in, on,
or near heat sources, such as a fireplace, stove, radiator, etc. Do not leave it in direct
sunlight.
Prior to operation, check the unit and power cord for physical damage. Do not use if
physical damage has occurred.
Before plugging the unit into a power outlet, ensure that the outlet provides the
same type and level of power required by the device.
Unplug this device from the power source when not in use.
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Take care to prevent damage to the power cord. Do not allow it to become
crimped, pinched, walked on, or become tangled with other cords. Ensure that the
power cord does not present a tripping hazard.
Never unplug the unit by pulling on the power cord. Always grasp the connector
head or adapter body.
Ensure that power is turned off and disconnected before making any electrical
connections.
Clean using a soft, dry cloth only. Do not use chemical cleaners, solvents, or
detergents. For stubborn deposits, moisten the cloth with warm water.
This device has no user serviceable parts. Do not attempt to open, service, or
modify this device.
INTRODUCTION
The Blackbird™ 4K HDBaseT™ 4x4 HDMI® Matrix is a professional level matrix/switch and
HDMI extender. It features four HDMI inputs and four sets of HDMI and HDBaseT outputs,
allowing for both local and remote displays. It extends 4K@60Hz video signals to distances
up to 131 feet (40 meters) and 1080p@60Hz signals to distances up to 229 feet (70 meters)
over a single Cat6 Ethernet cable. It supports the Power over Cable (PoC) feature, allowing
the included receivers to draw power from the matrix over the Ethernet cables. It features
a comprehensive EDID management system and is compliant with the HDMI 2.0 and HDCP
2.2 specifications. It supports bi-directional IR and RS-232 extension, as well as IR, RS-232, or
TCP/IP control.
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FEATURES
Supports HDMI® video at resolutions up to 4K@60Hz 4:4:4 Fully compliant with the HDMI 2.0 and HDCP 2.2 specifications Can transmit 4K@60Hz signals to distances up to 131 fee (40 meters) and
1080p@60Hz signals to distances up to 229 feet (70 meters) over a single Cat6
Ethernet cable
Supports the Power over Cable (PoC) feature, allowing the included receivers to
draw power from the matrix over the Ethernet cables
Features four HDMI inputs and four sets of HDBaseT™ and HDMI outputs, allowing
for both local and remote displays for each output channel
Features comprehensive EDID management Supports bi-directional IR and RS-232 extension Supports front panel, IR remote control, RS-232, and TCP/IP control options
CUSTOMER SERVICE
The Monoprice Customer Service department is dedicated to ensuring that your ordering,
purchasing, and delivery experience is second to none. If you have any problem with your
order, please give us an opportunity to make it right. You can contact a Monoprice
Customer Service representative through the Live Chat link on our website
www.monoprice.com during normal business hours (Mon-Fri: 5am-7pm PT, Sat-Sun: 9am-
6pm PT) or via email at support@monoprice.com
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PACKAGE CONTENTS
Please take an inventory of the package contents to ensure you have all the items listed
below. If anything is missing or damaged, please contact Monoprice Customer Service for a
replacement.
1x HDBaseT™ 4x4 HDMI® matrix
4x HDBaseT receivers
2x Matrix mounting ears
6x Matrix mounting ear screws
4x Matrix plastic feet
4x Matrix plastic feet screws
16x Receiver plastic feet
8x Receiver mounting ears
PRODUCT OVERVIEW
Matrix Front Panel
8x Receiver mounting ear screws
4x IR receivers
4x IR transmitters
1x 3-pin to DB9 RS-232 cable
13x 3-pin terminal blocks
1x AC power cord
1x User's manual
1. LCD SCREEN: Displays the real-time operating status.
2. PWR: The LED illuminates red when power is applied.
3. IR: The LED illuminates red when the matrix receives an IR signal from the included
IR remote control. The IR receiver "eye" is to the right of the LED.
4. INPUT: Four buttons for input source selection. Button 3 also serves as the UP
navigation button.
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5. OUTPUT: Four buttons for output channel selection. Buttons 2, 3, and 4 also serve as
the LEFT, DOWN, and RIGHT navigation buttons.
6. MENU BUTTONS: Various buttons for performing menu functions.
CLEAR: Pressing the CLEAR button cancels any command in progress.
EDID: Allows an input to manually capture and learn the EDID information from
one of the outputs.
LOCK: Locks and unlocks the front panel buttons.
ALL: Selects all inputs or all outputs.
ENTER: Momentarily press the ENTER button to confirm a command. Press and
hold the ENTER button for 3 seconds to enter Inquiry Mode.
RECALL: Allows selection and recall of a previously saved preset layout.
Matrix Rear Panel
1. INPUT: Four HDMI® ports for connecting video source devices.
2. IR IN: Five 3.5mm jacks for connecting IR receivers.
3. IR OUT: Five 3.5mm jacks for connecting IR transmitters.
4. OUTPUT: Four sets of RJ45 jacks and HDMI ports for connecting the included
HDBaseT™ receivers and/or four local HDMI displays.
5. AUDIO OUT: Four 3-pin terminal blocks for analog audio output and four coaxial
jacks for separating the digital audio from the HDMI inputs and HDBaseT outputs
using the GUI.
6. RS232: Four 3-pin terminal blocks for connecting RS-232 pass-through devices.
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7. CONTROL: 3-pin terminal block for connecting a computer for RS-232 control, a
3.5mm jack for connecting an IR receiver for matrix control, a micro USB port for
performing firmware updates, and an RJ45 jack for connecting to a network for
TCP/IP control.
8. AC100V-240V: Power jack for connecting the included AC power cord and power
switch for turning the matrix on and off.
9. GROUND: Ground connector.
Receiver Front Panel
1. CTRL/UPDATE: Switch for selecting the behavior of the RS-232 connection. When in
the CTRL position, the RS-232 connection carries the RS-232 pass-through data.
When in the UPDATE A position, you can update the Valens IC by connecting your
PC to the RS-232 connection and running a batch (.bat) file. When in the UPDATE B
position, you can update the compression IC, using the same method as for UPDATE
A.
2. POWER: The LED illuminates red when power is applied.
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Receiver Rear Panel
1. HDMI OUT: HDMI® port for connecting an HDMI display.
2. RS232: 3-pin terminal block for connecting an RS-232 control or pass-through device.
3. IR IN: 3.5mm jack for connecting an IR receiver.
4. IR OUT: 3.5mm jack for connecting an IR transmitter.
5. HDBT IN: RJ45 jack for connecting the Ethernet cable from the matrix.
6. DC 12V: DC barrel connector for connecting an AC power adapter.
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Remote Control
1. POWER: Press the POWER button to turn the matrix
on or to put it into standby mode.
2. LED: The LED flashes when a button is pressed.
3. INPUTS: Buttons for selecting the input source.
4. OUTPUTS: Buttons for selecting the output channel.
5. MENU: Buttons for menu manipulation. The ALL
button selects all inputs or all outputs. The EDID
button enables an input to manually capture and learn
the EDID of an output device. The CLEAR button
cancels a command in progress. Momentarily pressing
the ENTER button accepts the command in progress,
while holding it for 3 seconds enters Inquiry Mode.
Note that the buttons on the remote control correspond directly to the buttons on the front panel and perform the same functions.
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SAMPLE CONNECTION DIAGRAM
IR PASS-THROUGH
The system supports bi-directional IR pass-through, allowing you to control devices on
both the source and destination ends. This section provides several connection and
switching examples to illustrate possible configurations. The kit comes with four IR
receivers and four IR transmitters. Some connections require additional receivers and/or
transmitters, which will need to be obtained separately.
Control Local Input Device From Local
By default, there is a one-to-one relationship between the IR OUT port on the matrix and
the HDMI® input. When you switch an HDMI input, the corresponding IR OUT will be
switched at the same time.
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For example, if HDMI® input 3 is connected to the HDBaseT™ output 4, plug an IR receiver
into the IR IN 4 jack and an IR transmitter into IR OUT 3, as shown in the diagram below.
The same standard applies when you have one HDMI® input connected to multiple
HDBaseT™ outputs. For example, if you have HDMI input 3 connected to HDBaseT output 2,
3, and 4, plug an IR receiver into IR IN 2, IR IN 3, and IR IN 4, then plug an IR transmitter into
IR OUT 3, as shown in the diagram below.
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Control Local Input Device From Remote
The same basic principle applies when controlling the local input device from the remote
location. For example, if you have HDMI® input 3 connected to HDBaseT™ output 4, plug an
IR receiver into the IR IN jack on the receiver, then plug an IR transmitter into IR OUT 3 on
the matrix, as shown in the diagram below.
Similarly, you can control all local input devices by plugging an IR transmitter into the IR
OUT ALL OUT jack on the matrix. In this case, you must have an IR receiver plugged into the
IR IN jack on each of the connected HDBaseT™ receivers, as shown in the diagram below.
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Control Remote Device From Local
You can also control the remote display from the local end. For example, if you have HDMI®
input 3 connected to HDBaseT™ output 3, plug an IR receiver into the IR IN 3 jack on the
matrix, then plug an IR transmitter into the IR OUT jack on the receiver, as shown in the
diagram below.
Similarly, you can control all remote displays by plugging an IR receiver into the IR IN ALL
IN jack on the matrix. In this case, you must have an IR transmitter plugged into the IR OUT
jack on each connected HDBaseT™ receiver, as shown in the diagram below.
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BUTTON CONTROL
The matrix can be controlled using the buttons on the front panel. Whenever a command is
accepted by the matrix, all the buttons pressed will blink 3 times, then will turn off. If the
command fails, the indicators in the buttons will turn off immediately without blinking.
Switching
To make a single, one-on-one connection, press an INPUT button, then press an OUTPUT
button, and finally press the ENTER button. For example, to connect HDMI® input 1 to
HDBaseT™ output 2, press the INPUT 1 button, then press the OUTPUT 2 button, and finally
press the ENTER button. The indicators in the INPUT 1, OUTPUT 2, and ENTER buttons will
blink 3 times.
To make a connection between an HDMI input and multiple HDBaseT outputs, press an
INPUT button, then press multiple OUTPUT buttons, and finally press the ENTER button. For
example, to connect HDMI input 1 to HDBaseT outputs 2, 3, and 4, press the INPUT 1
button, then press the OUTPUT 2, OUTPUT 3, and OUTPUT 4 buttons, and finally press the
ENTER button. The indicators in the INPUT 1, OUTPUT 2, OUTPUT 3, OUTPUT 4, and ENTER
buttons will blink 3 times.
To make a connection between an HDMI input and all HDBaseT outputs, press an INPUT
button, then press the ALL button, and finally press the ENTER button. For example, to
connect HDMI input 1 to all HDBaseT outputs, press the INPUT 1 button, then press the ALL
button, and finally press the ENTER button. The indicators in the INPUT 1, ALL, and ENTER
buttons will blink 3 times.
EDID Management
Extended Display Identification Data (EDID) is the method by which the display
communicates its maximum resolution and audio capabilities to the source device. With
the matrix, however, there is no regular connection between a source and a display.
Additionally, a single source device can be connected to multiple displays, each of which
may have different capabilities.
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By default, the matrix will use the EDID information from the display connected to output
ID
Video Resolution
Audio Formats
1
720p 2D
PCM, Dolby®, DTS®
2
720p 3D
PCM, Dolby, DTS
3
1080p 2D
PCM, Dolby, DTS
4
1080p 3D
PCM, Dolby, DTS
5
4K@30Hz
PCM, Dolby, DTS
1, but it may have a higher maximum resolution than another connected display, which
would prevent the other display from displaying video. To overcome this problem, this
matrix includes advanced EDID management. There are two methods for setting the EDID
information for the connected source devices. The first method is to copy the EDID
information from one of the connected displays to one or more of the source devices. The
second method is to assign a predefined EDID setting for one or more sources.
Note that by default, when copying the EDID information from one of the outputs, the matrix will copy the EDID information from the display connected to the HDBaseT™ receiver, not from the local display connected with an HDMI® cable. If you want to copy the EDID information from the local display instead of the display connected to the HDBaseT receiver, disconnect the Ethernet cable from the HDBaseT output.
To copy the EDID information from one display to one source, first press the EDID button,
then press an INPUT button followed by an OUTPUT button, and finally press the ENTER
button to confirm. For example, to copy the EDID information from output 4 to source 2,
press the EDID button, then press the INPUT 2 button followed by the OUTPUT 4 button,
and finally press the ENTER button. The EDID, INPUT 2, OUTPUT 4, and ENTER buttons will
blink 3 times.
To copy the EDID information from one display to all sources, first press the EDID button,
then press the ALL button followed by an OUTPUT button, and finally press the ENTER
button. For example, to copy the EDID information from output 4 to all sources, first press
the EDID button, then press the ALL button followed by the OUTPUT 4 button, and finally
press the ENTER button. The EDID, ALL, OUTPUT 4, and ENTER buttons will blink 3 times.
The following table shows the seven predefined EDID settings.
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6
4K@60Hz 4:2:0
PCM, Dolby®, DTS®
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4K@60Hz 4:4:4
PCM, Dolby, DTS
#
LCD Screen
Description
1
Reports the connection status of all inputs. Y means
that there is a source connected to that input and N
means that there is not.
IN LINK
1 2 3 4
Y Y N N
To assign one of the predefined EDID settings to one source device, first press and hold the
EDID button for 3 seconds, then press an INPUT button, then use the LEFT (OUTPUT 2) and
RIGHT (OUTPUT 4) buttons to select one of the presets, and finally press the ENTER button
to confirm. For example, to assign one of the presets to HDMI® source 4, first press and
hold the EDID button for 3 seconds, then press INPUT 4, then use the LEFT (OUTPUT 2) and
RIGHT (OUTPUT 4) buttons to select a preset, and finally press the ENTER button. The EDID,
INPUT 4, LEFT, RIGHT, and ENTER buttons will blink 3 times.
To assign one of the predefined EDID settings to all source devices, first press and hold the
EDID button for 3 seconds, then press the ALL button, then use the LEFT (OUTPUT 2) and
RIGHT (OUTPUT 4) buttons to select a preset, and finally press the ENTER button to
confirm. The EDID, ALL, LEFT, RIGHT, and ENTER buttons will blink 3 times.
Inquiry Mode
Inquiry Mode allows you to check the connection status of the matrix as a whole or of a
single output. To enter Inquiry Mode, press and hold the ENTER button for 3 seconds.
To check the connection status, press and hold the ENTER button for 3 seconds, then use
the LEFT (OUTPUT 2) and RIGHT (OUTPUT 4) buttons to cycle through the five reports. The
following table shows examples of each of the five available reports.
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2
Reports the connection status of all outputs. Y means
that there is a device connected to that output and N
means that there is not.
3
Reports the signal switching status.
4
Reports the HDCP compliance status of all inputs. Y
means the input AV signal has HDCP data and N
means that it does not.
5
Reports the HDCP compliance status of all outputs. Y
means that the output AV signal has HDCP data and
N means that it does not.
OUT LINK
1 2 3 4
Y Y Y Y
OUT IN
01 02 03 04 05 05 05 05
IN HDCP
1 2 3 4
Y Y N N
OUT HDCP
1 2 3 4
Y Y N N
AV IR
01-> 02 01-> 02
PRESET LOAD:
PRESET LOAD: PRESET 1
You can also check the current connection status of a specific output. To do so, press and
hold the ENTER button for 3 seconds to enter Inquiry Mode, then press one of the OUTPUT
buttons. For example, to see the current connection for output 2, first press and hold the
ENTER button for 3 seconds, then press the OUTPUT 2 button. The LCD screen will show
the following display and the corresponding INPUT and OUTPUT buttons will illuminate for
3 seconds.
Recall Preset
You can create and save up to nine layout presets using RS-232 commands or using the
built-in web GUI. Once saved, you can recall them using the front panel buttons.
To recall a preset, first press the RECALL button, then use the LEFT (OUTPUT 2) and RIGHT
(OUTPUT 4) buttons to select one of the presets, and finally press the ENTER button to
confirm. The LCD screen will show the following:
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GUI CONTROL
You can control the matrix using a web-based Graphical User Interface (GUI) by plugging
an Ethernet cable into the TCP/IP jack on the matrix, then plugging the other end directly
into your computer or into a switch or router on an existing Ethernet network. The matrix
has the following default IP settings:
IP Address: 192.168.0.178
Subnet Mask: 255.255.255.0
To display the GUI, open an internet browser, then type 192.168.0.178 into the address field
and press the ENTER key. You will see the following screen in your browser.
Type the User Name and Password into the appropriate fields, then click the Login button
to log into the GUI. The default User Name is admin and the default Password is also admin.
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Switching Screen
The 4x4 Input/Output grid allows you to specify an individual Input for each Output. Click
the individual buttons in the grid to make a specific connection. For example, to connect
output 2 to input 1, click the button at the junction of the Output 2 column and the Input 1
row.
The Scene buttons allow you to create and save layout presets, which can be recalled
using the RECALL button on the front panel, as described above.
To save a given layout, first create connections for each output as desired, then click one
of the Scene buttons, and finally click the Save button to save the layout.
To recall a previously saved layout, click the desired Scene button, the click the Recall
button.
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Audio Screen
The Audio screen allows you to determine the source of digital audio on each of the four
coaxial audio jacks on the rear panel. Each output can be set to use the audio stripped from
the corresponding numbered HDMI® source device or the corresponding HDBaseT™
output.
Click the buttons in the Volume column to turn audio muting on or off for the
corresponding output.
HDCP Configuration Screen
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The HDCP tab on the Configuration screen allows you to turn HDCP on or off for each
output. Click the radio button in the On or Off column next to the desired output. Click the
Confirm button to save the changes or click the Cancel button to abort the changes.
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EDID Copy Configuration Screen
The EDID Copy tab on the Configuration screen allows you to copy the EDID information
from a display connected to one of the outputs to one or more of the HDMI® inputs.
To copy the EDID, first click one or more of the buttons in the Input column. Alternatively,
click the All button to select all Inputs. Next, click one of the four buttons in the Output
column. Finally, click the Confirm button to make the change or the Cancel button to abort
the change.
EDID Setting Configuration Screen
The EDID Setting tab on the Configuration screen allows you to assign one of the
predefined EDID settings to one or more of the Inputs.
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To assign one of the predefined EDID settings to one or more inputs, first click the buttons
in the Input column. Alternatively, click the All button to select all Inputs. Next, click the
drop-down list box and click on one of the options. Finally, click the Confirm button to
make the change or the Cancel button to abort the change.
HDMI Input CEC Screen
The HDMI Input tab on the CEC screen allows you to issue control commands to one of the
inputs using the Consumer Electronics Control (CEC) feature of the HDMI® specification.
To control one of the HDMI source devices, first click the button in the Input column
corresponding to the source you want to control. Next, click any of the buttons on the
right to issue the indicated command. Refer to the
explanation of the meaning of each of the icons used on the buttons.
CEC BUTTONS
section for an
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HDBT Output CEC Screen
The HDBT Output tab of the CEC screen allows you to control the display connected to
one of the HDBaseT™ receivers.
To control the display connected to one of the HDBaseT receivers, first click the button in
the Output column corresponding to the display you want to control. Next, click any of the
buttons on the right to issue the indicated command. Refer to the
for an explanation of the meaning of each of the icons used on the buttons.
CEC BUTTONS
HDMI Output CEC Screen
section
The HDMI Output tab of the CEC screen allows you to control one of the displays
connected to a local HDMI® output.
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To control one of the displays connected to one of the local HDMI® outputs, first click the
button in the Output column corresponding to the display you want to control. Next, click
any of the buttons on the right to issue the indicated command. Refer to the
section for an explanation of the meaning of each of the icons used on the buttons.
CEC BUTTONS
RS232 Screen
The RS232 screen allows you to issue RS-232 control commands to an RS-232 device
connected to one of the HDBaseT™ receivers.
To control an RS-232 device connected to one of the HDBaseT receivers, first click one of
the buttons in the Port section corresponding to the HDBaseT receiver with the device you
want to control. Next, click one of the buttons in the Baud Rate section to set the
communications rate between the HDBaseT receiver and the RS-232 device. You are now
ready to send a command.
To send the command, first determine whether the command is in Hex or Decimal. If it is in
Hex, ensure that the Hex button is on. If it is in Decimal, ensure that the Hex button is off.
Next, type your command into the Command field, then click the Send button to send the
command. Refer to the
RS-232 COMMANDS
section for a list of valid commands.
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Access Screen
The Access screen allows you to set the passwords, lock the front panel controls, and view
the GUI and firmware version numbers.
The default passwords are admin and user. To change either password, click inside the field
and type a new password, then click the Confirm button to save the change or the Cancel
button to abort the change.
To lock the front panel controls, click the ON or OFF side of the Front Panel Lock control,
then click the Confirm button to save the change or the Cancel button to abort the
change.
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Interface Screen
The Interface screen allows you to change various text labels. For example, you may want
to change the name for Input 1 to DVD, so that you don't have to remember that Input 1 is
the DVD player.
To change one or more labels, click in the appropriate field(s) and type in the new label,
then click the Confirm button to save the changes or the Cancel button to abort the
changes.
Network Screen
The Network screen allows you to change the network protocol and allows you to set the
IP Address, Subnet Mask, and Gateway addresses.
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To change the network protocol, click on either the DHCP or Static IP side of the network
Power on
Power off
Stop
Pause
Play
Menu
Previous
Next
Fast reverse
Fast forward
Volume down
Volume up
protocol control, then click the Confirm button to save the changes.
To change the IP Address, Subnet Mask, or Gateway, click in the field and type in a new
address, then click the Confirm button to save the changes.
CEC BUTTONS
The following table identifies the icons used in the CEC buttons on the CEC screens in the
GUI.
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Up Down
Left
Right
Enter
Exit
Mute
GUI UPDATE
In the event that a firmware update is available, you can update the matrix using the built-
in update GUI. To access the GUI, type 192.168.0.178:100 into the address bar of a web
browser. The login User Name and Password are the same as that of the control GUI. The
default User Name is user and the default Password is also user.
Once on the screen, click the Administration entry, then click the Upload Program entry.
Click the Choose File button, then locate and select the update file. Finally, click Apply to
begin the update process.
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RS-232 CONTROL
Control Matrix From Local
To control the matrix from a local PC, plug one end of the included 3-pin to DB9 RS-232
Cable into the RS232 connector on the rear panel, then plug the other end into an available
serial port on your PC, as shown in the diagram below.
Control Matrix From Remote
To control the matrix from a remote location, plug one end of the included 3-pin to DB9
RS-232 Cable into the RS232 connector on one of the HDBaseT™ receivers, then plug the
other end into an available serial port on your PC, as shown in the diagram below.
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Control Remote Third Party Device From Local
To control a third party device from local, first determine which HDBaseT™ receiver it is
connected to (1 in the diagram below). Next, use one of the included 3-pin Terminal Blocks
to make a serial cable, plug one end into the RS232 connector on the HDBaseT receiver,
then plug the other end into the serial port on your third party device.
Next, plug one end of the included 3-pin to DB9 RS-232 Cable into the RS232 terminal block
in the position corresponding to the receiver (1 in the diagram below), then plug the other
end into an available serial port on your PC, as shown in the diagram below.
Control Local Third Party Device From Remote
To control a local third party device from one of the HDBaseT™ receivers, first determine
which receiver you will be connecting to (4 in the diagram below). Next, plug one end of
the included 3-pin to DB9 RS-232 Cable into the RS232 connector on the HDBaseT receiver,
then plug the other end into an available serial port on your PC.
Next, use one of the included 3-pin Terminal Blocks to make a serial cable, plug one end
into the RS232 terminal block in the position corresponding to the receiver (4 in the
diagram below), then plug the other end into the serial port on your third party device, as
shown in the diagram below.
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RS-232 COMMANDS
This switch features an RS-232 connector with the ability be controlled by a third party RS-
232 control software, as well as to pass RS-232 control signals through to a third party
device. It supports serial communications rates of 2400, 4800, 9600 (default), 19200, 38400,
57600, or 115200 baud.
The RS-232 communications protocol is as follows:
Baud Rate: 9600 (default)
Data Bits: 8
Stop Bits: 1
Parity: None
Download and install a third party RS-232 control software, such as
CommWatch.exe, whose interface is shown below as an example.
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The matrix can respond to the following RS-232 commands:
Command
Function
Feedback
/*Type;
Report matrix model
27841
/*Name;
Report matrix name
HDBaseT Matrix
/%Lock;
Lock the front panel buttons
System Locked!
/%Unlock;
Unlock front panel buttons
System Unlock!
/^Version;
Report software version
V1.0.0
System Commands
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Command
Function
Feedback
Demo.
Switch to demo testing mode,
switch AV 1->2, 2->2, etc.
Demo Mode
AV:01->01
IR:01->01
AV:01->02
IR:01->02
...
AV:04->04
IR:04->04
Undo.
Cancel the previous operation
Undo Ok!
Out 01 02 03 04
In: 02 02 02 02
PWON.
Power the system on
PWON
PWOFF.
Powers the system off
PWOFF
STANDBY.
Put the system in standby mode
STANDBY
%9961.
Report the system lock status
System Locked!
System UnLock!
%9962.
Report the system power status
PWON
PWOFF
STANDBY
RemoteCtrMcu[x].
Enable/disable the remote
control mode that the matrix
can be controlled from a
remote PC. x=1 or 0.
RemoteCtrMcu Open.
%0911.
Reset to factory default
Factory Default
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Signal Switching
Command
Function
Feedback
[x]All.
Switch input [x] AV to all
outputs. x=1~4.
01 To All.
All#.
Switch all input signals to their
corresponding output channels.
1->1, 2->2, 3->3, 4->4.
All Through.
All$.
Switch off all outputs
All Closed.
[x]#.
Switch input [x] to output [x].
x=1~4.
01 Through.
[x]$.
Switch off output [x]. x=1~4.
01 Closed.
[x]@.
Switch on output [x]. x=1~4.
01 Open.
Out 01 02 03 04
In 01 01 01 01
All@.
Switch on all outputs
All Open.
Out 01 02 03 04
In 01 01 01 01
[x]V[y].
Switch input [x] to one or more
outputs [y]. Separate multiple
channels with a comma. x=1~4,
y=1~4.
AV:01->01
AV:01->02
AV:01->03
Status[x].
Report the input channel on
output [x]. x=1~4.
AV:01->01
IR:01->01
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Command
Function
Feedback
Status.
Report the input channel on
output channels, on by one.
AV:01->01
IR:01->01
AV:02->02
IR:02->02
AV:03->03
IR:03->03
AV:04->04
IR:04->04
%9971.
Report the connection status of
all inputs. Y means the
corresponding input port is
connected to a source device, N
means it is not.
In 01 02 03 04
Connect Y Y Y N
%9972.
Report the connection status of
all outputs. Y means the
corresponding output port is
connected to an output device,
N means it is not.
Out 01 02 03 04
Connect Y Y Y Y
%9975.
Report the switching status.
Out 01 02 03 04
IN 01 02 03 01
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Preset Management
Command
Function
Feedback
Save[y].
Store the current switch status
to preset [y]. y=1~9.
Save To F3
Recall[y].
Recall preset [y]. y=1~9.
Recall From F1
Clear[y].
Clear preset [y]. y=1~9.
Clear F1
Command
Function
Feedback
COAX[x][MU/UM].
Mute or unmute the coaxial
audio output [x]. x=01~04. Use
MU for mute or UM for unmute.
COAX01MU.ss
AnlogAudio[x][MU/UM].
Mute or unmute the analog
audio output [x]. x=01~04. Use
MU for mute or UM for unmute.
AnlogAudio01UM.
%9977.
Report the output audio status.
COAX010.
COAX020.
COAX030.
COAX040.
COAX01UM.
COAX02UM.
COAX03UM.
COAX04UM.
AnlogAudio01UM.
AnlogAudio02UM.
AnlogAudio03UM.
AnlogAudio04UM.
Output Audio Control
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EDID Configuration
Command
Function
Feedback
EDIDH[x]B[y].
Set the EDID data of output [x]
to input [y]. If the EDID data is
available and the audio part
supports not only PCM format,
then force-set it to only support
PCM. If the EDID is not
available, this will set to initial
EDID. x=1~4, y=1~4.
EDIDH1B4
EDIDPCM[x].
Set the audio format of input
[x] to PCM. x=1~4.
EDIDPCM4
EDIDG[x].
Report the EDID data from
output [x]. x=1~4.
EDIDG2
EDIDMInit.
Reset factory default EDID to all
input ports.
EDIDMInit.
EDIDM[x]B[y].
Set the EDID data of output [x]
to input [y]. If the EDID data is
not available, the matrix will set
it to initial EDID data. x=1~4,
y=1~4.
EDIDM1B4
EDIDUpgrade[x].
Upgrade the EDID data of the
input port [x]. When the
command is applied, the system
prompts to upload the EDID file
(.bin).Operation will be
cancelled in 10 seconds.
EDIDUpgrade1.
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Command
Function
Feedback
EDID/[x]/[y].
The input [x] recalls the preset
EDID [y]. x=1~4, y=1~7.
1. 720p 2D PCM/Dolby®/DTS®
2. 720p 3D PCM/Dolby/DTS
3. 1080p 2D PCM/Dolby/DTS
4. 1080p 2D PCM/Dolby/DTS
5. 4K@30Hz PCM/Dolby/DTS
6. 4K@60Hz 4:2:0
PCM/Dolby/DTS
7. 4K@60Hz 4:4:4 2D
PCM/Dolby/DTS
EDIDIN/1/0
UpgradeIntEDID[y].
Upgrade the embedded EDID
[y]. y=1~7. When the matrix gets
the command, it will show a
message to send EDID file (.bin
file). The operation will be
canceled in 10 seconds.
UpgradeIntEDID3
GetInPortEDID[x].
Report the EDID of input [x].
x=1~4.
GetInPortEDID1.
GetIntEDID[x].
Report the embedded EDID [y].
y=1~7.
GetIntEDID6.
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HDCP Compliance
Command
Function
Feedback
/%O/[X]:[Z].
HDCP management command.
The O is the output port, X is
the number of the output port,
and Z is for HDCP compliance
status. X=01~04 or ALL, Z=0~1.
/%O/1:1.
%0801.
Auto HDCP management mode.
0801%
%9973.
Report the HDCP status of all
inputs. Y means the input AV
signal has HDCP data, N means
it does not.
In 01 02 03 04
HDCP Y Y Y Y
%9974.
Report the HDCP status of all
outputs. Y means the output AV
signal has HDCP data, N means
it does not.
Out 01 02 03 04
HDCP Y Y Y Y
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Baud Rate Setting
Command
Function
Feedback
Baudrate 2400.
Set the serial baud rate of the
matrix to 2400.
Set Local RS232
baudrate is 2400!
Baudrate 4800.
Set the serial baud rate of the
matrix to 4800.
Set Local RS232
baudrate is 4800!
Baudrate 9600.
Set the serial baud rate of the
matrix to 9600.
Set Local RS232
baudrate is 9600!
Baudrate 19200.
Set the serial baud rate of the
matrix to 19200.
Set Local RS232
baudrate is 19200!
Baudrate 38400.
Set the serial baud rate of the
matrix to 38400.
Set Local RS232
baudrate is 38400!
Baudrate 57600.
Set the serial baud rate of the
matrix to 57600.
Set Local RS232
baudrate is 57600!
Baudrate 115200.
Set the serial baud rate of the
matrix to 115200.
Set Local RS232
baudrate is 115200!
To ensure bi-directional RS-232 communications, the serial baud rate of the matrix should
be set the same as the RS-232 ports on the HDBaseT™ receivers.
CEC Control Commands
If the input source devices, HDBaseT™ output devices (displays), and/or the local HDMI®
output devices (displays) support the Consumer Electronics Control (CEC) feature of the
HDMI specification, they can be controlled by sending the following commands, rather
than using their remote controls.
The format of the command is:
CEC[I/O][port][command].
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The [I] in the command represents the input port. The [O] in the command
Command
Function
Feedback
CECI[port]00.
Confirm operation (Enter)
CEC_IN_01_SEND_SUCCESS!
CECI[port]01.
UP direction
CEC_IN_01_SEND_SUCCESS!
CECI[port]02.
DOWN direction
CEC_IN_01_SEND_SUCCESS!
CECI[port]03.
LEFT direction
CEC_IN_01_SEND_SUCCESS!
CECI[port]04.
RIGHT direction
CEC_IN_01_SEND_SUCCESS!
CECI[port]0A.
Enter main menu
CEC_IN_01_SEND_SUCCESS!
CECI[port]0D.
Exit menu
CEC_IN_01_SEND_SUCCESS!
CECI[port]41.
Volume up
CEC_IN_01_SEND_SUCCESS!
CECI[port]42.
Volume down
CEC_IN_01_SEND_SUCCESS!
CECI[port]43.
Mute
CEC_IN_01_SEND_SUCCESS!
CECI[port]44.
Play
CEC_IN_01_SEND_SUCCESS!
CECI[port]45.
Stop
CEC_IN_01_SEND_SUCCESS!
CECI[port]46.
Pause
CEC_IN_01_SEND_SUCCESS!
CECI[port]48.
Rewind
CEC_IN_01_SEND_SUCCESS!
CECI[port]49.
Fast forward
CEC_IN_01_SEND_SUCCESS!
CECI[port]4B.
Forward
CEC_IN_01_SEND_SUCCESS!
represents the output port.
The [port] in the command represents the port number. The local HDMI® output
ports are 01~04 and the HDBT output ports are 05~08. The HDMI input ports are
01~04. Use ALL FF to send commands to all inputs or all outputs.
The [command] in the command represents the specific command from the tables
below.
Input Control Commands:
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Command
Function
Feedback
CECI[port]4C.
Backward
CEC_IN_01_SEND_SUCCESS!
CECI[port]6C.
Power off
CEC_IN_01_SEND_SUCCESS!
CECI[port]6D.
Power on
CEC_IN_01_SEND_SUCCESS!
Command
Function
Feedback
CECO[port]41.
Volume up
CEC_OUT_01_SEND_SUCCESS!
CECO[port]42.
Volume down
CEC_OUT_01_SEND_SUCCESS!
CECO[port]43.
Mute
CEC_OUT_01_SEND_SUCCESS!
CECO[port]6C.
Power off
CEC_OUT_01_SEND_SUCCESS!
CECO[port]6D.
Power on
CEC_OUT_01_SEND_SUCCESS!
Problem
Potential Causes
Potential Solutions
Output image has video
noise.
Bad quality of connecting
cable.
Try another cable.
Failed or loose connection.
Ensure the connection is
good.
Output Control Commands:
TROUBLESHOOTING
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Problem
Potential Causes
Potential Solutions
No output image when
switching.
No signal at the input /
output end.
Use an oscilloscope or
multimeter to verify there is
a signal at the input /
output end.
Failed or loose connection.
Ensure the connection is
good.
The POWER indicator is off
or there is no response to
any operation.
Failed connection of power
cord.
Ensure the power cord
connection is good.
EDID management does not
work normally.
The HDMI® cable is broken
at the output end.
Use a known good High
Speed HDMI Cable.
Static becomes stronger
when connecting the video
connectors.
Bad grounding.
Ensure the matrix is
properly grounded.
Cannot control the matrix
by PC through an RS-232
connection.
Wrong RS-232
communications
parameters.
Use the correct RS-232
communication parameters.
Cannot control the matrix
using the front panel
buttons, but can control it
by an RS-232 or TCP/IP
connection with your PC.
The front panel buttons are
locked.
Send the command
/%Unlock; to unlock the
front panel buttons or press
the Lock button on the
front panel.
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TECHNICAL SUPPORT
Model
27841
Inputs
4x HDMI®
Outputs
4x HDMI, 4x HDBaseT™
Maximum Input Resolution
4K@60Hz 4:4:4
Maximum HDMI Output Resolution
4K@60Hz 4:4:4
Maximum HDBaseT Output Resolution
4K@60Hz 4:2:0
Bandwidth
18 Gbps
HDMI Version
2.0
HDCP Version
2.2
Transmission Method
HDBaseT
Maximum Transmission Distance
4K@60Hz: up to 131 feet (40 meters)
1080p@60Hz: up to 229 feet (70 meters)
Analog Audio Output Format
PCM
Digital Audio Output Format
PCM, Dolby®, DTS®
Monoprice is pleased to provide free, live, online technical support to assist you with any
questions you may have about installation, setup, troubleshooting, or product
recommendations. If you ever need assistance with your new product, please come online
to talk to one of our friendly and knowledgeable Tech Support Associates. Technical
support is available through the online chat button on our website www.monoprice.com
during regular business hours, 7 days a week. You can also get assistance through email by
sending a message to tech@monoprice.com
SPECIFICATIONS
Matrix
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Audio Output Impedance
70 ohms
Frequency Response
20 Hz ~ 20 kHz ±3dB
Common Mode Rejection Ratio (CMRR)
>70dB @ 20 Hz ~ 20 kHz
Signal-to-Noise Ratio
up to 80dB
Input Power
100 ~ 240 VAC, 50/60 Hz
Maximum Power Consumption
40 watts
Operating Temperature
+32 ~ +104°F (0 ~ +40°C)
Storage Temperature
+14 ~ +131°F (-10 ~ +55°C)
Relative Humidity
10 ~ 90% RH, non-condensing
Dimensions
17.1" x 1.7" x 13.4" (436 x 44 x 340 mm)
Weight
7.1 lbs. (3.2 kg)
Inputs
1x HDBaseT™
Outputs
1x HDMI®
Maximum Resolution
4K@60Hz 4:4:4
Bandwidth
18 Gbps
Transmission Method
HDBaseT
Maximum Transmission Distance
4K@60Hz: up to 131 feet (40 meters)
1080p@60Hz: up to 229 feet (70 meters)
HDMI Version
2.0
HDCP Version
2.2
Input Power
12 VDC, 2A or Power over Cable (PoC)
Maximum Power Consumption
14 watts
Receivers
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Operating Temperature
+32 ~ +104°F (0 ~ +40°C)
Storage Temperature
+14 ~ +131°F (-10 ~ +55°C)
Relative Humidity
10 ~ 90% RH, non-condensing
Dimensions
4.5" x 0.6" x 3.3" (115 x 16 x 84 mm)
Weight
5.4 oz. (153 g)
Blackbird™ is a trademark of Monoprice Inc.
HDMI®, the HDMI Logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.
HDBaseT™ and the HDBaseT Alliance logo are trademarks of the HDBaseT Alliance.
Dolby® and the double-D symbol are registered trademarks of Dolby Laboratories.
DTS® is a registered trademark and the DTS logos and Symbol are trademarks of DTS, Inc.
Blu-ray Disc™ and Blu-ray™ are trademarks of the Blu-ray Disc Association.
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