PTN MUH44A-N User manual

www.PTN-electronics.com
MUH44A-N
4K 4x4 HDMI Matrix Switcher
All Rights Reserved
Version: MUH44A-N_2015V1.0
User Manual

4K 4x4 HDMI Matrix Switcher
PTN Electronics Limited www.PTN-electronics.com
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 designed for MUH44A-N & MUH44A (without TCP/IP port). Pay attention
to the different details when reading this manual.
This manual is only for operation instruction only, not for any maintenance usage. The
functions described in this version are updated till May 2015. 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 2015-5-25.
Trademarks
Product model, PTN and its logo are trademarks of PTN Electronics Limited.
Any other trademarks mentioned in this manual are acknowledged as the properties of
the trademark owner. No part of this publication may be copied or reproduced without
the prior written consent of PTN Electronics Limited.
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 4x4 HDMI Matrix Switcher
PTN Electronics Limited www.PTN-electronics.com
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 4x4 HDMI Matrix Switcher
PTN Electronics Limited www.PTN-electronics.com
Contents
1. Introduction.................................................................................................................1
1.1 Introduction to the MUH44A-N...........................................................................1
1.2 Features ............................................................................................................1
1.3 Package List......................................................................................................1
2. Product Appearance of MUH44A-N............................................................................2
2.1 Front Panel........................................................................................................2
2.2 Rear Panel.........................................................................................................3
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. System Operations .....................................................................................................5
4.1 IR Control ..........................................................................................................5
4.2 RS232 Control...................................................................................................6
4.2.1 Installation/uninstallation of RS232 Control Software..............................6
4.2.2 Basic Settings..........................................................................................6
4.2.3 RS232 Communication Commands ........................................................7
4.3 TCP/IP Control.................................................................................................11
4.3.1 Control Modes.......................................................................................11
4.3.2 Control MUH44A-N via TCP/IP communication software......................12
4.3.3 TCP/IP Configuration.............................................................................14
4.4 EDID Management..........................................................................................14
4.4.1 Hardware EDID management................................................................14
4.4.2 Software EDID management.................................................................15
4.5 Firmware Upgrade through USB port ..............................................................16
5. Specification .............................................................................................................17
5.1 Supported Resolution......................................................................................17
6. Panel Drawing ..........................................................................................................18
7. Troubleshooting & Maintenance ...............................................................................18
8. After-sales Service....................................................................................................20

4K 4x4 HDMI Matrix Switcher
PTN Electronics Limited 1 www.PTN-electronics.com
1. Introduction
1.1 Introduction to the MUH44A-N
MUH44A-N is a professional 4x4 HDMI Matrix Switcher that features receiving up to 4
HDMI2.0& HDCP2.2 compliant signal and output 4 HDMI1.4& HDCP1.4 compliant
signal. It provides 4 auxiliary audio ports for de-embeded HDMI audio output. It also
boasts powerful EDID management to ensure reliable AV distribution and routing.
The unit is controllable via front panel buttons, IR, RS232, or TCP/IP (optional).
1.2 Features
4x4 HDMI matrix with 4 de-embeded HDMI audio ports;
HDMI input ports: support HDMI 2.0, support signal up to 4Kx2K@60Hz & 1080p 3D,
compliant with lower HDMI standards; HDCP2.2 compatible;
HDMI output ports: support HDMI 1.4, capable to transmit 2560x1080 (60Hz) signal,
compliant with lower HDMI standards; HDCP1.4 compatible
Transmit 4Kx2K@60Hz signal up to 15m;
SPDIF ports for de-embedded HDMI audio output;
Powerful EDID management;
Controllable via front panel button, IR, RS232& optional TCP/IP;
LCD screen shows real-time I/O connection status;
Convinient firmware upgrade through Micro USB port;
Easy installation with rack-mounting design.
1.3 Package List
1 x MUH44A-N
2 x Mounting ears
4 x Screws
1 x RS232 cable
1 x IR Receiver (5V)
1 x Power Adapter (DC 24V 2.5A)
1 x IR remote
4 x Plastic cushions
1 x User manual
Confirm if the product and the accessories are all included, if not, please contact
with the dealers.

4K 4x4 HDMI Matrix Switcher
PTN Electronics Limited 2 www.PTN-electronics.com
2. Product Appearance of MUH44A-N
2.1 Front Panel
Figure 2- 1 Front Panel of MUH44A-N
No.
Name
Description
①
Power
Indicator
Illuminate red when power on;
Turn green in standby mode;
Blink red when upgrading.
②
LCD Screen
Display real-time operation status.
③
OUTPUTS
Output selection buttons, press the buttons to switch input
cyclely for the output
④
Power Trigger
Press to power on/off the switcher
SYSTEM MONITOR
OUTPUTS POWER
1 2 34
① ② ③ ④

4K 4x4 HDMI Matrix Switcher
PTN Electronics Limited 3 www.PTN-electronics.com
2.2 Rear Panel
Figure 2- 2 Rear Panel of MUH44A-N
No.
Name
Description
①
INPUTS
HDMI input ports, 4 in total, connect with HDMI sources
②
OUTPUTS
SPDIF: audio output ports for de-embeded HDMI audio, 4
in total
HDMI: 4 in total, connect with HDMI displays
③
Control
a) Firmware: Micro USB port for firmware upgrade
b) EDID Switcher: 4-pin EDID DIP switchers to set EDID
data, “1”stands for “On”, “0”stands for “Off”. Refer to 4.4
EDID Management for more detials.
c) RS232: Serial control port, connect with control device
d) IR IN: input port for IR control signal, connect with IR
receiver
e) TCP/IP: (optional) TCP/IP port for unit control
④
DC 24V
Connect with DC 24V power adaptor
⑤
Ground
Connect to ground
Pictures shown in this manual are for reference only.
1 2 3 4
ON DIP
FIRMWARE DC 12VTCP/IPEDID IR IN
On
Off 1 2 3 4
1
0
RS232
Tx Rx
SPDIF
43211 2 3 4
SPDIFSPDIFSPDIF
INPUTS OUTPUTS CONTROL
1 2 3 4
ON DIP
FIRMWARE TCP/IPEDID IR IN
On
Off 1 2 3 4
1
0
RS232
Tx Rx
CONTROL

4K 4x4 HDMI Matrix Switcher
PTN Electronics Limited 4 www.PTN-electronics.com
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) to HDMI INPUTs with HDMI cables.
Step2.Connect HDMI displays (e.g. HDTV) to HDMI OUTPUTs with HDMI cables;
Step3.Connect speakers/ amplifiers to the AUDIO OUTPUTs with audio cables;
Step4.Connect the RS232 ports of control device (e.g. a PC) and MUH44A-N to enable
serial control.
Step5.Connect the TCP/IP ports of control device (e.g. a PC) and MUH44A-N to enable
IP control.
Step6.Insert an IR receiver to the IR IN port to enable IR control.
Step7.Plug a DC 24V power adapter to the power port of MUH44A-N.
Speaker
HDTV
PC
DVD
Laptop
Laptop
MUH44A-N

4K 4x4 HDMI Matrix Switcher
PTN Electronics Limited 5 www.PTN-electronics.com

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 MUH44A-N can be widely
used in computer realm, monitoring, large screen displaying, conference system,
television education and bank securities institutions etc.
4. System Operations
4.1 IR Control
Connect an IR receiver to the IR IN port of the switcher, users can control it through the
included IR remote. Here is a brief introduction to the IR remote:
Figure 3- 2 IR Remote
①Standby: Enter/ exit standby mode
②INPUTS: Buttons for input selection
③OUTPUTS: Buttons for output selection
I/O Switch Format: INPUT + OUTPUT

4K 4x4 HDMI Matrix Switcher
PTN Electronics Limited 6 www.PTN-electronics.com
4.2 RS232 Control
4.2.1 Installation/uninstallation of RS232 Control Software
Installation Copy the control software file to the computer connected with
MUH44A-N.
Uninstallation Delete all the control software files in corresponding file path.
4.2.2 Basic Settings
Firstly, connect MUH44A-N with necessary input devices and output devices. Then,
connect it with a PC installed RS232 control software. Double-click the software icon to
run this software.
Here we take the software CommWatch.exe as example. The icon is showed as below:
Figure 4- 1 Icon of CommWatch
The interface of the control software is showed as below:
Figure 4- 2 Control Interface of CommWatch
Set the parameters (baud rate, data bit, stop bit and parity bit) correctly to ensure
reliable RS232 control.
Parameter Configuration
area
Monitoring area, indicates
whether the command
sent works.
Command Sending area