Digichain Electronics MUH88A-H2 User Manual
MUH88A-H2
4K 8x8 HDMI2.0 Matrix Switcher
User Manual
4K 8x8 HDMI2.0 Matrix Switcher
Preface
Read this user manual carefully before using this product. Pictures shown in this manual
is for reference only, different model and specifications are subject to real product.
This manual is only for operation instruction only, not for any maintenance usage. The
functions described in this version are updated till December 2016. Any changes of
functions and parameters since then will be informed separately. Please refer to the
dealers for the latest details.
All product function is valid till 2016-12-20.
FCC Statement
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. It has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a commercial
installation.
Operation of this equipment in a residential area is likely to cause interference, in which
case the user at their own expense will be required to take whatever measures may be
necessary to correct the interference
Any changes or modifications not expressly approved by the manufacture would void
the user’s authority to operate the equipment.
4K 8x8 HDMI2.0 Matrix Switcher
SAFETY PRECAUTIONS
To insure the best from the product, please read all instructions carefully before using
the device. Save this manual for further reference.
Unpack the equipment carefully and save the original box and packing material for
possible future shipment
Follow basic safety precautions to reduce the risk of fire, electrical shock and injury
to persons.
Do not dismantle the housing or modify the module. It may result in electrical shock
or burn.
Using supplies or parts not meeting the products’ specifications may cause damage,
deterioration or malfunction.
Refer all servicing to qualified service personnel.
To prevent fire or shock hazard, do not expose the unit to rain, moisture or install this
product near water.
Do not put any heavy items on the extension cable in case of extrusion.
Do not remove the housing of the device as opening or removing housing may
expose you to dangerous voltage or other hazards.
Install the device in a place with fine ventilation to avoid damage caused by
overheat.
Keep the module away from liquids.
Spillage into the housing may result in fire, electrical shock, or equipment damage. If
an object or liquid falls or spills on to the housing, unplug the module immediately.
Do not twist or pull by force ends of the optical cable. It can cause malfunction.
Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to
the device before cleaning.
Unplug the power cord when left unused for a long period of time.
Information on disposal for scrapped devices: do not burn or mix with general
household waste, please treat them as normal electrical wastes.
4K 8x8 HDMI2.0 Matrix Switcher
Contents
1. Introduction ................................................................................................................. 1
1.1 Brief Introduction ............................................................................................... 1
1.2 Features ............................................................................................................ 1
1.3 Package List ...................................................................................................... 1
2. Panel Description ........................................................................................................ 2
2.1 Front Panel ........................................................................................................ 2
2.2 Rear Panel ......................................................................................................... 2
3. System Connection ..................................................................................................... 4
3.1 Usage Precautions ............................................................................................ 4
3.2 Connection Diagram .......................................................................................... 4
3.3 Connection Procedure ....................................................................................... 4
3.4 System Applications .......................................................................................... 5
4. Panel Button Control ................................................................................................... 6
4.1 I/O connection switching .................................................................................... 6
4.2 EDID Configuration ............................................................................................ 6
4.3 I/O connection Inquiry ........................................................................................ 7
5. IR Control .................................................................................................................... 8
6. RS232 Control ............................................................................................................ 9
6.1 Installation/uninstallation of RS232 Control Software ........................................ 9
6.2 Basic Settings ................................ .................................................................... 9
6.3 RS232 Communication Commands ................................................................ 10
6.3.1 System Commands ............................................................................... 10
6.3.2 Lock/unlock Commands ........................................................................ 11
6.3.3 Switching Commands ............................................................................ 11
6.3.4 Scene Commands ................................................................................. 13
6.3.5 HDCP Compliance ................................................................................ 13
6.3.6 EDID Configuration ................................................................................ 13
6.3.7 Enable/disable Digital Audio .................................................................. 15
7. TCP/IP Control .......................................................................................................... 16
4K 8x8 HDMI2.0 Matrix Switcher
7.1 Control Modes ................................................................................................. 16
7.2 TCP/IP Communication Software Control ........................................................ 17
7.3 Web-based GUI Control .................................................................................. 19
7.3.1 Scene Setting ........................................................................................ 20
7.3.2 I/O connection switching ........................................................................ 21
7.3.3 EDID Configuration ................................................................................ 22
7.3.4 Audio Output .......................................................................................... 24
7.3.5 Status Setting ........................................................................................ 24
7.3.6 Network Configuration ........................................................................... 26
7.3.7 Password Modification ........................................................................... 27
7.4 TCP/IP Configuration ....................................................................................... 28
7.5 GUI Update ...................................................................................................... 28
8. Firmware Upgrade through USB port ....................................................................... 29
9. Specification ................................................................ ............................................. 30
10. Panel Drawing ........................................................................................................ 31
11. Troubleshooting & Maintenance ............................................................................. 32
12. After-sales Service .................................................................................................. 34
4K 8x8 HDMI2.0 Matrix Switcher
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1. Introduction
1.1 Brief Introduction
MUH88A-H2 is a professional 4K 8x8 HDMI2.0 Matrix Switcher with 8 HDMI inputs, 8
HDMI outputs, and 8 SPDIF audio outputs, which is designed for switching four
HDMI2.0 and HDCP2.2 compliant signals. It also provides powerful EDID management
to ensure reliable AV distribution and routing.
You can control the unit via the front panel, IR, RS232, TCP/IP and web-based GUI.
1.2 Features
8 SPDIF ports provide de-embedded HDMI audio output;
Supports 4Kx2K@60Hz 4:4:4 & 1080p 3D signals;
Supports HDMI 2.0, HDCP2.2 compatible, and is backward compatible to the
earlier versions;
Transmits 4Kx2K@60Hz 4:4:4 signal up to 16.4 feet (5m) via HDMI port;
Provides powerful EDID management, built-in EDID can be invoked via DIP
switcher on rear panel, RS232 command or web-based GUI;
Controllable via front panel button, IR, RS232, TCP/IP or web-based GUI;
LCD screen shows real-time I/O connection status;
Convenient firmware upgrade through Micro USB port;
Easy installation with rack-mounting design.
1.3 Package List
1 x MUH88A-H2
2 x Mounting ears
6 x Screws
4 x Plastic cushions
1 x RS232 cable (3-pin to DB9)
1 x IR receiver
1 x IR remote
1 x Power adaptor(DC 24V 2.71A)
1 x User manual
Confirm if the product and the accessories are all included, if not, please contact
with the dealers.
4K 8x8 HDMI2.0 Matrix Switcher
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2. Panel Description
2.1 Front Panel
Figure 2- 1 Front Panel
No.
Name
Description
①
FIRMWARE
Micro USB port for updating firmware.
②
Power Indicator
Illuminates red when power on;
Turns green in standby mode;
Blinks red when upgrading.
③
IR sensor
Built-in IR sensor, receive IR signal sent from IR
remote.
④
LCD Screen
Displays real-time operation status.
⑤
INPUT selector button
Total 8 input selector buttons, press one of
buttons to switch input source.
⑥
OUTPUT selector button
Total 8 output selector buttons, press the buttons
to select output channel.
Pictures shown in this manual are for reference only.
2.2 Rear Panel
Figure 2- 2 Rear Panel
No.
Name
Description
①
INPUTS
HDMI input ports, 8 in total, connect with HDMI
INPU TS
OUTP UTS
FIRM WARE
1 2
3 4
5
6 7 8
1 2
4 6
3
5
ON DIP
TCP/ IP IR IN
R S 232
Tx Rx
On
Off
1 234
1
0
EDID
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
SPDIF SPDIF SPDIF SPDIF SPDI F SPDIF SPDIF SPDIF
DC 24V
INPU TS OUTP UTS
CONT ROL
1
2
4
3
4K 8x8 HDMI2.0 Matrix Switcher
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sources.
②
OUTPUTS
SPDIF: audio output ports for de-embedded HDMI
audio, 8 in total.
HDMI: 8 in total, connect with HDMI displays.
③
Control
EDID: 4-pin EDID DIP switchers to set EDID data, “1”
stands for “On”, “0” stands for “Off”. Refer to 4. 2 EDID
Configurarion for more detials.
RS232: Serial control port, connect with control device.
IR IN: Connects with external IR receiver for using the
IR remote to control the Matrix Switcher.
TCP/IP: TCP/IP port for unit control.
④
DC 24V
Connect with 24VDC 2.71A power adaptor.
⑤
Ground
Connect to ground.
Pictures shown in this manual are for reference only.
4K 8x8 HDMI2.0 Matrix Switcher
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3. System Connection
3.1 Usage Precautions
1) System should be installed in a clean environment with prop temperature and
humidity.
2) All of the power switches, plugs, sockets and power cords should be insulated.
3) All devices should be connected before power on.
3.2 Connection Diagram
Figure 3- 1 Connection diagram
3.3 Connection Procedure
Step1. Connect HDMI sources (e.g. DVD/PS4/Laptop) to HDMI input ports with HDMI
cables;
Step2. Connect HDMI displays (e.g. HDTV/Projector) to HDMI output ports with HDMI
cables;
Step3. Connect speakers/ amplifiers to the SPDIF audio outputs with Toslink cables;
Step4. Connect the RS232 ports of control device (e.g. Central Control System, PC) and
MUH88A-H2 to enable serial control.
ON DI P
TCP/I P IR IN
R S 232
Tx Rx
On
Off
1 2 3 4
1
0
EDID
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
SPDIF SPDIF SPDIF SPDIF SPDIF SPDIF SPDIF S PDIF
DC 24V
INPU TS OUTPUTS
CONT ROL
Central Control System
Router
Speaker
Laptop
Laptop
INPUTS
OUTPUTS
MENU
123
4 5 6
7 8
1 2 3
4 5 6
7 8
ALL EDID
CLEAR ENTER
Projector
HDMI:
IR Control:
RS232:
Ethernet:
Audio:
4K 8x8 HDMI2.0 Matrix Switcher
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Step5. Insert an IR receiver to the IR IN port to control this switcher via IR Remote.
Step6. Connect the TCP/IP ports of control device (e.g. Laptop) and MUH88A-H2 to
enable TCP/IP control.
Step7. Plug a 24VDC power adapter to the DC24V power port.
1) When connecting to HDMI2.0 sources, make sure the HDMI cable is compliant with
HDMI2.0 to ensure reliable transmission;
2) Connect amplifiers that are capable to decode HDMI audio to the SPDIF ports, or
there will be no output on the amplifiers.
3.4 System Applications
As its good performance in control and transmission, the MUH88A-H2 can be widely
used in computer realm, monitoring, large screen displaying, conference system,
television education and bank securities institutions etc.
4K 8x8 HDMI2.0 Matrix Switcher
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4. Panel Button Control
4.1 I/O connection switching
The front panel features four input selection buttons and four output selection buttons for
switching I/O connection.
1. To convert one input to an output:
Example: Input 1 to Output 3
→ Press INPUTS 1 + OUTPUTS 3
2. To convert an input to several outputs:
Example: Convert Input 2 to Output 3 and 4
→ Press INPUTS 2 + OUTPUTS 3 + OUTPUTS 4
NOTE: Indicators of the pressed buttons will blink green for three times if the conversion
is done, then it will be off. If the conversion failed, they will be off immediately.
4.2 EDID Configuration
The rear panel boasts a 4-pin EDID DIP switcher to manage EDID. The EDID data and
its corresponding DIP switcher status are shown in the below list.
DIP Switcher
NO.
Status
EDID
0
0000
Pass though (default)
1
0001
720P 2D Pass though CH
2
0010
720P 3D Pass though CH
3
0011
1080P 2D Pass though CH
4
0100
1080P 3D Pass though CH
5
0101
4K@30HZ Pass though CH
6
0110
4K@30HZ 2.0CH
7
0111
4K@30HZ 7.1CH
8
1000
4K@60HZ 4:2:0 Pass though CH
9
1001
4K@60HZ 4:2:0 7.1CH
10
1010
4K@60HZ 4:4:4 Pass though CH
11
1011
4K@60HZ 4:4:4 7.1CH
-
1111
Enable Software EDID management
mode: RS232 control or Web-based
GUI control
4K 8x8 HDMI2.0 Matrix Switcher
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4.3 I/O connection Inquiry
Press OUTPUTS button 1, 2, 3, 4,5,6,7 or 8 to inquiry its corresponding input, and then
the indicator of the input button will turn green.
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