Stoltzen SUHM44HB User Manual

Stoltzen SUHM44HB HDBaseT Matrix

4K HDBaseT 4x4

All Rights Reserved

Version: SUMH44HB 2016V2

User Manual

Stoltzen SUHM44HB 4x4 HDBaseT Matrix

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.

Stoltzen SUHM44HB-N 4x4 HDBaseT Matrix

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.

Stoltzen SUHM44HB 4x4 HDBaseT Matrix

Contents

1. Introduction ................................................................................................................. 1

1.1 Introduction to the SUHM44HB ......................................................................... 1

1.2 Features ............................................................................................................ 1

1.3 Package List ...................................................................................................... 2

2. Product Appearance of the SUHM44HB ..................................................................... 3

2.1 Front Panel ........................................................................................................ 3

2.2 Rear Panel ......................................................................................................... 4

3. System Connection ..................................................................................................... 6

3.1 System Applications ........................................................................................... 6

3.2 Usage Precautions ............................................................................................ 6

3.3 Connection Diagram .......................................................................................... 6

3.4 Connection Procedure ....................................................................................... 7

3.5 Connection with TPHD402PR............................................................................ 7

4. System Operations ..................................................................................................... 8

4.1 Front Panel Button Control ................................................................................ 8

4.1.1 Switching I/O connection ......................................................................... 8

4.1.2 EDID Management .................................................................................. 8

4.1.3 Inquiry .................................................................................................... 10

4.1.4 Clear operation ...................................................................................... 11

4.2 IR Control ........................................................................................................ 11

4.2.1 Usage of IR Remote .............................................................................. 11

4.2.2 Force Carrier ......................................................................................... 12

4.2.3 Control Far-end Device locally............................................................... 12

4.2.4 Control Local Device Remotely ............................................................. 13

4.3 RS232 Control ................................................................................................. 14

4.3.1 Connection with RS232 Communication Port ........................................ 14

4.3.2 Control through 9-pin RS232 port .......................................................... 15

4.3.3 Control through 3-pin RS232 port .......................................................... 15

4.3.4 Installation/uninstallation of RS232 Control Software ............................ 16

4.3.5 Basic Settings ........................................................................................ 16

4.3.6 RS232 Communication Commands ...................................................... 17

Stoltzen SUHM44HB 4x4 HDBaseT Matrix

4.4 TCP/IP Control ................................................................................................. 23

4.4.1 Control Modes ....................................................................................... 23

4.4.2 GUI for TCP/IP control ........................................................................... 25

4.4.3 GUI Update............................................................................................ 27

4.5 Firmware Update via USB ............................................................................... 28

5. Specification .............................................................................................................. 29

6 Panel Drawing ........................................................................................................... 30

7. Troubleshooting & Maintenance ............................................................................... 32

8. After-sales Service .................................................................................................... 34

Stoltzen SUHM44HB-N 4x4 HDBaseT Matri

1. Introduction

1.1 Introduction to the SUHM44HB

SUHM44HB is a professional 4x4 HDBaseT Matrix Switcher that accommodates 4
HDMI IN (4k signal at max), 4 auxiliary audio IN, 4 IR IN.

Select HDMI input by front panel buttons, IR, RS232, or GUI. The selected source is
delivered to HDMI Output 1~2 (for HDMI input 1~2) & HDBaseT outputs 1~4 (easy
extension to 70m at 1080p and 40m at 4Kx2K on a single CAT5e/6 connection with
HDBaseT receivers, with PoC) simultaneously. The unit also supports EDID
management and HDCP.

Except embedded HDMI audio, SUHM44HB provides 4 auxiliary audio outputs. Audio
source is selectable via RS232 command. Selected audio is output via HDMI outputs&
HDBaseT outputs and the audio output sockets.

The unit also supports bi-directional RS232& IR control.

1.2 Features

 Support HDMI 1.4 &HDCP2.2, and compliant with lower standards, capable to

transmit 4Kx2K@60Hz & 1080p 3D

 Support manual HDCP management and auto-detecting
 Transmit 4Kx2K signal for 8m via HDMI port, 40m via HDBT port
 Audio source selectable via RS232 command
 4 HDBaseT outputs, for easy extension to 70m at 1080p and 40m at 4Kx2K on a

single CAT5e/6 cable

 Support PoC
 LCD screen shows real-time I/O connection status, switching status, HDCP status,

and output resolution.

 Controllable via front panel, RS232, IR and TCP/IP
 Support bi-directional IR& RS232 control
 Built-in GUI for TCP/IP control
 Powerful EDID management
 Support off memory for reliable operation
 Support firmware upgrade through Micro USB port
 Easy installation with rack-mounting design

Stoltzen SUHM44HB 4x4 HDBaseT Matrix

1.3 Package List

 1 x SUHM44HB
 2 x Mounting ears (6 x Screws)
 1 x RS232 cable
 1 x IR Receiver
 4 x Plastic cushions (4 x Black Screws)
 1 x IR remote
 1 x Power Adapter (DC 24V 2.5A)
 8 x Pluggable Terminal Blocks
 1 x User manual

Notes: Confirm if the product and the accessories are all included, if not, please

contact with the dealers.

Stoltzen SUHM44HB-N 4x4 HDBaseT Matri

2. Product Appearance of the SUHM44HB

2.1 Front Panel

1 2

3

4

CLEAR

EDIDALL

INPUTS MENU

ENTER

IR

FIRMWARE

SYSTE M MONI TOR

No.

Name

Description

①

Firmware

Micro USB port for updating firmware

②

Power
Indicator

Illuminate red when power on.

③

IR

In-built IR sensor, receive IR signals sent from IR remote.

④

LCD Screen

Display real-time operation status.

⑤

INPUTS/
Menu
buttons

 Normal mode: Back-lit buttons, ranging from "1" to "4".
 Inquiry mode (buttons 1~4): Press “ENTER” for more than

3 seconds to enter this mode. Dial to select
different menus, to select different options.

⑥

OUTPUTS
buttons/
EDID
Manageme
nt buttons

 Normal mode: Back-lit buttons, ranging from "1" to "4".

Output 1~2 support synchronous local HDMI output.

 EDID Invoking mode: press and hold EDID button for 3

seconds or more to enter this mode, in this mode, button 1,
2 are used to switch to the previous/ next EDID data.

⑦

Function
buttons

ALL: Select all inputs/ outputs.

EDID management button: Enable input port to manually
capture and learn the EDID data of output devices.

CLEAR: Withdraw an operation like switching output

channel, learning EDID data before it comes into effect.
Meanwhile, the matrix will return to the previous status.

ENTER: Confirm operation. Press and hold it for 3 seconds to
enter in Inquiry mode.

Notes: Pictures shown in this manual are for reference only, different model and
specifications are subject to real product.

Stoltzen SUHM44HB 4x4 HDBaseT Matrix

2.2 Rear Panel

No.

Name

Description

①

IR ALL IN

Input port for IR control signal, connect with IR receiver, deliver
IR signal to all the HDBaseT ports to control the remote
devices.

②

HDMI
INPUTS

HDMI input ports, 4 in total, type A female HDMI connector,
connect with HDMI input source devices.

③

IR OUT

Connect with IR transmitter, to emit the IR signal sent from the
HDBaseT ports of the far-end Receiver. These IR OUT sockets
make up an IR matrix with the IR IN sockets on the HDBaseT
receivers, and all IR signals can be switched synchronously
with the AV signal, or separately switched.

④

OUTPUTS

a. IR IN: Connect with IR receiver, fixed IR input for the output,

cannot be switched separately. It makes up an IR
bi-directional transmission with the IR OUT on the
corresponding HDBaseT receiver.

b. COAX: HDMI de-embedded digital audio output.
c. RS232: Serial port to communicate with the RS232 port on

corresponding HDBaseT receiver. When controlled by
HDBaseT receiver, the communication protocol must be the
same with SUHM44HB.

d. HDMI: HDMI output port, connect with HDMI displayers,

deliver same input signals with HDBaseT ports, split HDMI
output for local monitoring.

e. HDBaseT: Works with HDBaseT receivers, such as

Stoltzen SUHM44HB 4x4 HDBaseT Matrix

TPHD402PR. It can extend AV, IR and RS232 signal to 70m
distance. Meanwhile, it can provide power for the receivers
which support PoC.

f. AUDIO: HDMI de-embedded stereo audio output

⑤

IR EYE

Connect with extended IR receiver, use the IR remote to
control SUHM44HB.

⑥

TCP/IP

TCP/IP port for unit control

⑦

RS232

Serial port for unit control, 9-pin female connector, connects
with control device such as a PC.

⑧

Power
Indicator

Illuminate red when powered on.

⑨

DC 24V

Connect with DC 24V power adaptor.

⑩

GROUND

Connect to grounding, make the unit ground well.

Note: Pictures shown in this manual are for reference only, different model and
specifications are subject to real product.

Stoltzen SUHM44HB-N 4x4 HDBaseT Matri

3. System Connection

3.1 System Applications

As its good performance in control and transmission, the SUHM44HB can be widely
used in computer realm, monitoring, large screen displaying, conference system,
television education and bank securities institutions etc.

3.2 Usage Precautions

1) System should be installed in a clean environment and has a prop temperature and

humidity.

2) All of the power switches, plugs, sockets and power cords should be insulated and
safe.

3) All devices should be connected before power on.

3.3 Connection Diagram

VCR

STB

DVD

TPHD402R

PC

IR Emitter

Speaker

Projector

Laptop

HDTV

Stoltzen SUHM44HB 4x4 HDBaseT Matrix

3.4 Connection Procedure

1) Connect HDMI sources (e.g. DVD) to HDMI inputs of the SUHM44HB with HDMI

cables.

2) Connect auxiliary audio sources to the AUDIO IN ports with audio cables.

3) Connect HDBaseT receivers (e.g. TPHD402PR) to the HDBaseT Output ports with

twisted pair.

4) Connect HDMI displays (e.g. HDTV) to HDMI outputs of the SUHM44HB or the
receivers with HDMI cables

5) Connect speakers/earphones to AUDIO output ports

6) Connect the RS232 port of control device (e.g. a PC) to the RS232 port of either

SUHM44HB or far-end receivers. RS232 signal can be transmitted bi-directionally
between SUHM44HB and far-end receivers.

7) SUHM44HB can collect IR signal sent by the included IR remote via its built-in IR
sensor or through external IR receiver connected to the IR IN/ IR EYE/ IR ALL IN
port. The IR signal can be transmitted bi-directionally between SUHM44HB and
far-end receivers.

8) Connect a DC 24V power adapter and the SUHM44HB.

Note:

1. Connect HDBT ports of SUHM44HB and far-end receiver with straight-through

cable.

2. IR receivers connected to IR IN& IR ALL IN should be with carrier. If not, send

command %0900. or %0901.to activate native carrier mode or force carrier mode in
the IR matrix launched between SUHM44HB and far-end receivers.

3.5 Connection with TPHD402PR

SUHM44HB boasts 4 HDBaseT output ports which support PoC solution. Connect the
HDBT output ports of SUHM44HB to HDBaseT Receivers supporting PoC (like
TPHD402PR) via twisted pair. Plug a power supply to the power port of SUHM44HB, the
HDBaseT Receivers will be energized synchronously with PoC solution.

P

o

C

DC 24V

TPHD402PR(PoC)

4. System Operations

4.1 Front Panel Button Control

SUHM44HB provides with convenient front panel button control. Here we make a brief
introduction to the system operations.

4.1.1 Switching I/O connection

1) To convert one input to an output:

Operation: “input”+“output”+“ENTER”
Example: input 1 to output 2

Note: In default status, 4 IR OUT sockets correspond with 4 HDMI INPUTS. When you
convert an HDMI input to an output, the corresponding IR OUT will be switched
synchronously.

2) To convert an input to several outputs:

Operation: “input” + “output” + “output” +… + “ENTER”
Example: Switch input 2 to output 2, 4

3) To convert an input to all outputs:

Operation: “input” + “ALL” + “ENTER”
Example: Convert input 1 to all outputs

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.

4.1.2 EDID Management

SUHM44HB features EDID management to maintain compatibility between all devices.
It can be controlled via EDID learning and EDID invoking.

EDID Learning (from output):

 One input port learns the EDID data of one output port

Operation: Press “EDID”, “INPUTS”+“OUTPUTS”+“ENTER”.
Example: Input 2 learns EDID data from output 4

 All input ports learn EDID data from one output port
Operation: Press “EDID”, “ALL”+“OUTPUTS”+“ENTER”
Example: All input ports learn EDID data from output 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.

EDID invoking:

There are five types of embedded EDID data. The chart below illustrates the detailed
information of the embedded EDID data:

No.

EDID Data

1

1080P 2D 2CH

2

1080P 3D 2CH

3

1080P 2D Multichannel

4

1080P 3D Multichannel

5

3840x2160 2D（30Hz）

Press and hold “EDID” for 3 seconds to enter EDID invoking mode, in this mode, use
output buttons 1/2 to switch among the 5 embedded EDID data. Then press “ENTER” to
confirm invoking.

Format: Press and hold “EDID” for 3 seconds, “INPUTS”+“OUTPUTS 1/2”+“ENTER”.
Operations:
 Invoke embedded EDID data for one input
Operation: Press “EDID” (hold for 3 seconds to enter in EDID setting status),

“INPUTS”+“OUTPUTS”+“ENTER”.
Example: Set the EDID data of INPUT 2 to the forth type of embedded EDID data:

Press (hold for 3 seconds) or to switch to the

4th EDID data .
Note: If the conversion is successful, indicators of the pressed buttons will blink green

for three times at normal speed; if the conversion failed, they will blink for three times
quickly.

4.1.3 Inquiry

 Check status
Press and hold the button “ENTER” for 3 seconds, it will enter into system inquiry menu.

Use Left and Right direction button to navigate checking the previous/next items.

Function Items

Example

Description

Check the
connection status of
inputs

Y means the corresponding
port is connected with input
device, N means not.

Check the
connection status of
outputs

Y means the corresponding
port is connected with output
device, N means not.

Correspondence
between inputs and
outputs

Shows the correspondence
between the 4 inputs and 4
outputs.

Check if the input is
with HDCP

Y means the input signal is
with HDCP, N means not.

Check if the output
is with HDCP

Y means the output signal is
with HDCP, N means not.

Check the output
resolution

Use the UP and DOWN
direction button to check all
the 4 output resolutions.

 Output check

Press any output button to check its corresponding input.
Example: Check which one is the corresponding input for output 2. (Presume Output 2

corresponds to Input 1.)
Operation: Press Output 2 button, LCD screen display “AV: 1->2 IR: 1->2”, and

indicators of input 1 and output 2 turn on and last for 3 seconds. Then output 2
corresponds to input 1.

4.1.4 Clear operation

When you switch output channel, learn EDID data, or set EDID data, press Clear button
to withdraw the operation before you press “ENTER” to carry it on. When you press it,
the matrix will return to the previous status.

4.2 IR Control

By using IR & HDBaseT transmission technology, the SUHM44HB has some functions
as follows:

1) Control far-end output device from local.

2) Control local input/output device remotely.

3) Control the SUHM44HB locally/remotely.

4.2.1 Usage of IR Remote

① Standby button, press it to enter/ exit standby

mode

② Input channels, range from 1~4 (buttons 5~8 are

not available), corresponding IR signal switched
synchronously when switching input channels.

③ Menu buttons, ALL, EDID and CLEAR, same

with the corresponding front panel buttons.
Please refer to 4.1 Front Panel Button Control for
details.

④ : Navigation buttons.

ENTER: Confirm button.

⑤ OUTPUTS (buttons 5~8 are not available)

In normal mode: output channel selection
buttons, each channel has 1 IR IN, 1 HDBaseT, 1
RS232, and 1 AUDIO outputs, and channel 1~4
have HDMI outputs.
In EDID invoking mode: press button 1/2 to
switch among the 5 embedded EDID data

Note: With this IR remote, SUHM44HB can be controlled by the built-in IR, the extended
IR receiver connected to the “IR EYE”/”IR ALL IN” and the IR receiver on the far-end
receiver.

4.2.2 Force Carrier

a) Only if the IR receiver connected to HDBaseT receiver is with IR carrier, can the

received IR signal be transferred to IR OUT port of the matrix.

b) Only if the IR receiver connected to IR ALL IN port of the matrix is with IR carrier,

can the received IR signal be transferred to IR OUT port of the matrix.
If the IR receiver connected with HDBaseT receiver or IR ALL IN port of the matrix is

not with IR carrier, send the command “%0901.” to enter infrared carrier enforcing
mode, and then IR signal can be transferred to IR OUT port.

4.2.3 Control Far-end Device locally

Connect an IR receiver to IR IN/ IR ALL IN on the switcher, and use the IR Remote of
far-end device to control the device locally.

 1 to 1: (through IR IN)
Connect an IR receiver with IR carrier to the IR IN port of SUHM44HB; users can control

far-end output displayer via its IR remote from local.
In that case, the IR signal is transferred via twisted pair. Only the corresponding IR OUT

port can emit control signals to the remote display.
See the figure below:

PoC

TPHD402PR

DVD

HDTV

IR Remote

HDTV

Control far-end device from Local

Note: The IR receiver connected to IR IN must be with IR carrier

 1 to All: (through IR ALL IN)
Connect an IR receiver to the IR ALL IN port of SUHM44HB, the IR signal received from

IR ALL IN port will be transmitted to all the 4 connected far-end HDBT receivers. See as

below:

PoC

TPHD402PR 1

HDTV

HDTV

TPHD402PR 2

HDTV

HDTV

TPHD402PR 3

HDTV

TPHD402PR 4

HDTV

PoC PoC PoC

IR Emitter

IR Remote

IR Emitter

IR Emitter

IR Emitter

Control far-end device through IR ALL IN port

Note: Send command “%0901.” to enter infrared carrier enforcing mode if the IR
Receiver connected to IR ALL IN is not with carrier.

4.2.4 Control Local Device Remotely

Connect IR receiver(s) to IR IN on far-end HDBT receiver(s), and IR Emitter(s) to IR
OUT port of the switcher, and use the IR Remote of local source to control the device
remotely.

 1 to 1:

Connect an IR receiver to IR IN on far-end HDBT receiver, and an IR Emitter to IR
OUT port of the switcher. Use the IR Remote of local source to control the device
remotely. See below:

PoC

TPHD402PR

DVD

HDTV

IR Remote

IR Emitter

Control local device from remote

Note: Send command “%0901.” to enter infrared carrier enforcing mode if the IR
Receiver connected to IR IN of the receiver is not with carrier.

 Multiple to Multiple: (IR Matrix)

The 4 “IR OUT” ports and the 4 “IR IN” ports on the far-end receivers make up a 4x4
IR matrix. See as below:

1 32 4

IR Emitter

PoC

TPHD402PR 1

HDTV

TPHD402PR 2

HDTV

TPHD402PR 3

TPHD402PR 4

PoC PoC PoC

IR Matrix

The IR signal is sent by corresponding IR remote, then it is transferred to HDBaseT
receiver, then to corresponding zone of the matrix through the twisted pair, finally it is
transferred to IR OUT port and received by controlled device.

Switching Operation: (4 IR IN ports correspond with 4 HDMI input ports separately in
default mode.)

a) Sending command (reference to 4.3 RS232 Control): [x1]R[x2].

x1: Corresponding to the 4 IR OUT ports of the matrix, the IR transmitter connected

to this port can be placed at IR receiving area of output device or SUHM44HB
itself.

x2: Corresponding to the zone (receive IR signal from HDBaseT receiver with IR IN

port connects with IR receiver) number of SUHM44HB.

Example: Send command “3R2.” to transfer IR signal received from zone 2 to IR

OUT port 3.

4.3 RS232 Control

4.3.1 Connection with RS232 Communication Port

Except the front control panel, the SUHM44HB can be controlled by far-end control
system through the RS232 communication port. This RS232 communication port is a
female 9-pin D connector. The definition of its pins is listed in the table below.

No.

Pin

Function

1

N/u

Unused

2

Tx

Transmit

3

Rx

Receive

4

N/u

Unused

5

Gnd

Ground

6

N/u

Unused

7

N/u

Unused

8

N/u

Unused

9

N/u

Unused

4.3.2 Control through 9-pin RS232 port

Connect a control device to the 9-pin RS232 port of the switcher; users are able to
control the switcher& far-end device. See the figure below:

PC

PoC

3rd party

TPHD402PR

Control the switcher& 3rd-party Device through 9 pin female RS232 port

 Control the switcher: send RS232 commands directly
 Control 3rd party: send command: “/+[Y]/[X]:******.” (Refer to for detailed

information.)

4.3.3 Control through 3-pin RS232 port

 Control 3rd party device from local
Connect the RS232 (3-pin pluggable terminal block) port in any zone to PC, and

connect the controlled RS232 device (3rd party device) to the corresponding (same
zone as PC) receiver, see below:

PC

PoC

3rd party

TPHD402PR

Control 3rd party device from local

 Control 3rd party device from remote
Connect the RS232 (3-pin pluggable terminal block) port in any zone to controlled

device (3rd party device), and connect PC to the corresponding (same zone as
controlled device) receiver, see below:

PC

PoC

3rd party

TPHD402PR

Control 3rd party device from remote

4.3.4 Installation/uninstallation of RS232 Control Software

 Installation Copy the control software file to the computer connected with

SUHM44HB.

 Uninstallation Delete all the control software files in corresponding file path.

4.3.5 Basic Settings

Firstly, connect SUHM44HB with an input device and an output device. Then, connect it
with a computer which is installed with 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:

The interface of the control software is showed as below:

Please set the parameters of COM number, baud rate, data bit, stop bit and the parity bit
correctly, only then will you be able to send command in Command Sending Area.

4.3.6 RS232 Communication Commands

Note:

1) Please disconnect all the twisted pairs before sending command EDIDUpgrade[X].

2) In above commands, “[”and “]” are symbols for easy reading and do not need to be

typed in actual operation.

3) Please remember to end the commands with the ending symbols “.” and “;”.

4) Type the command carefully, it is case-sensitive.

Parameter Configuration area

Monitoring area, indicates
whether the command
sent works.

Command Sending area

Parameter Configuration area

Monitoring area, indicates
whether the command
sent works.

Command Sending area

Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none

Command

Function

Feedback Example

System Commands

/*Type;

Inquire the models information.

SUHM44HB

/%Lock;

Lock the front panel buttons on the Matrix.

System Locked!

/%Unlock;

Unlock the front panel buttons on the
Matrix.

System Unlock!

/^Version;

Inquire the version of firmware

VX.X.X

Demo.

Switch to the “demo” mode, convert input
and output in turn like1B1, 1B2, …4B3,
4B4, 1B1… and so on .The switching
interval is 2 seconds.

Demo Mode
AV:01->01
IR:01->01
AV:01->02
IR:01->02
……
AV:04->04
IR:04->04
……

Undo.

To cancel the previous operation.

Undo Ok!
Out 01 02 03 04
In 01 01 01 01

Operation Commands

[x]All.

Transfer signals from the input channel [x]
to all output channels

X To All. (X=01~04)

All#.

Transfer all input signals to the
corresponding output channels
respectively like 1->1, 2->2…

All Through.
All$.

Switch off all the output channels.

All Closed.

[x]#.

Transfer signals from the input channel [x]
to the output channel [x].

X Through.
(X=01~04)

[x]$.

Switch off the output channel [x].

X Closed. (X=01~04)

[x]@.

Switch on the output channel [x].

X Open. (X=01~04)

All@.

Switch on all output channels.

All Open.

[x1]V[x2].

Transfer the AV signal from the input
channel [x1] to one or several output
channels ([x2], separate output channels
with comma).

AV: X1-> X2
(X1/X2=01~04)

Command

Function

Feedback Example

[x1]B[x2].

Transfer the AV and IR signal from input
channel [x1] to one or several output
channels ([x2], separate output channels
with comma).

AV: X1-> X2
(X1/X2=01~04)

[x1] R[x2].

Transfer the IR signal from output [x1] to
input [x2].

IR: X1-> X2(X1 、
X2=01~04)

Status[x].

Check the I/O connection status of output
[x]

AV: Y-> X
(X=01~04, Y=01~04)

Status.

Inquire the input channel to the output
channels one by one.

AV: 01->01
… …
AV: 04->04

IR: 01->01
… …
IR: 04->04

Save[Y].

Save the present operation to the preset
command [Y], ranges from 0 to 9.

Save To FY
(Y=0-9)

Recall[Y].

Recall the preset command [Y].

Recall From FY
(Y=0-9)

Clear[Y].

Clear the preset command [Y].

Clear FY
(Y=0-9)

PWON.

Work in normal mode.

PWON

PWOFF.

Enter into standby mode and cut off the
power supply to HDBaseT receivers.

PWOFF

STANDBY.

Enter into standby mode. (Do not cut off
the power supply to HDBaseT receivers,
press other buttons or send other
commands to start.)

STANDBY

/%[Y]/[X]:[Z].

HDCP management command.
[Y] is for input (value: I) or output (value:
O); [X] is the number of the port, if the
value of X is ALL, it means all ports; [Z] is
for HDCP compliant status, the value may
be 1 (HDCP compliant) or 0 (not HDCP
compliant).

/%[Y]/[X]:[Z].
DigitAudioON[

x].

Enable HDMI audio output of port x.

 X=1, 2, 3, 4, enable this port.
 X=5, enable all the 4 ports.

DigitAudio ON with [x]

DigitAudioOF
F[x].

Disable HDMI audio output of port x.

 X=1, 2, 3, 4, disable this port.

DigitAudio OFF with
[x]

Command

Function

Feedback Example

 X=5, disable all the 4 ports.

/+[Y]/[X]:******.

Set communication between PC and
HDBaseT receiver.
① Y is for RS232 port (connect with

RS232 port of HDBaseT receiver)
Y= 1~5 or A~H, The value of Y is
defined into the following meanings
(in a given baud rate depended by the
value of X):

a. Y = 1~4, send this command to the

corresponding HDBaseT receiver to
control far-end device.

b. Y = 5, send this command to all

HDBaseT receivers to control all
far-end devices.

c. Y = A, B, C, or D
d. Y = E, F, G, or H

For items c or d, send this command,
it will be saved to the matrix switcher
but taken without action to
corresponding HDBaseT receiver.
And its command function will be
effective almost at the same time
when you send the command PWON
(for item c) or PWOFF (for item d).
Note:
A & E are for port 1. B & F are for
port 2.
C & G are for port 3. D & H are for
port 4.

② X is for baud rate, its value ranges

from 1 to 7 (1--2400, 2--4800,
3--9600, 4--19200, 5--38400,
6—57600, 7--115200)

③ ***** is for data (max 48 Byte)

******

EDIDH[x]B[y].

Input port [y] learns the EDID from output
port [x].
If the EDID data is available and the audio
part supports not only PCM mode, then
force-set it to support PCM mode only. If

EDIDH[x]B[y]

Command

Function

Feedback Example

the EDID data is not available, then set it
as initialized EDID data.

EDIDPCM[x].

Set the audio part of input port [x] to PCM
format in EDID database.

EDIDPCM[x]

EDIDG[x].

Get EDID data from output [x] and display
the output port number.

Hexadecimal EDID
data and carriage
return character

EDIDMInit.

Restore the factory default EDID data of
every input.

EDIDMInit.

EDIDM[X]B[Y].

Manually EDID switching. Enable input[Y]
to learn the EDID data of output[X]. If the
EDID data is not available, then set it as
initialized EDID data.

EDIDM[X]B[Y]

EDIDUpgrade
[x].

Upgrade EDID data via the RS232 port.
[x] is the input port, when the value of X is
9, it means to upgrade all input ports.
When the switcher receives the
command, it will show a message to
prompt you to send EDID file (.bin file).
Operations will be canceled after 10
seconds. Please cut off all connections of
HDBaseT ports.

Please send the
EDID file

EDID/[x]/[y].

Set the EDID data of input port [x] to
built-in EDID No.[y].
[y]=1~5, correspond to the 5 embedded
EDID data separately

EDID/[x]/[y]

UpgradeIntED
ID[x].

Upgrade one of the 5 embedded EDID
data, x is the serial number for EDID data:

1. 1080P 2D 2CH

2. 1080P 3D 2CH

3. 1080P 2D Multichannel

4. 1080P 3D Multichannel

5. 3840x2160 2D (30Hz)
When the switcher gets the command, it

will show a message to send EDID file
(.bin file). Operations will be invalid after
10 seconds.

Please send the
EDID file

GetIntEDID[x].

Return the embedded EDID data ranked

Command

Function

Feedback Example

x, [x]=1~5

GetInPortEDI
D[X].

Return the EDID data of input [x], [x]=1~4

%0801.

Auto HDCP management, activate carrier
native mode

%0801

%0900.

Switch to carrier native mode.

Carrier native

%0901.

Switch to force carrier mode.

Force carrier

%0911.

Reset to factory default.

Factory Default

%9951.

Check the command sent by port 1 when
PWON.

Port 1:data when
PWON

%9952.

Check the command sent by port 2 when
PWON.

Port 2:data when
PWON

%9953.

Check the command sent by port 3 when
PWON.

Port 3:data when
PWON

%9954.

Check the command sent by port 4 when
PWON.

Port 4:data when
PWON

%9955.

Check the command sent by port 1 when
PWOFF.

Port 1:data when
PWOFF

%9956.

Check the command sent by port 2 when
PWOFF.

Port 2:data when
PWOFF

%9957.

Check the command sent by port 3 when
PWOFF.

Port 3:data when
PWOFF

%9958.

Check the command sent by port 4 when
PWOFF.

Port 4:data when
PWOFF

%9961.

Check the system locking status.

System Locked/
Unlock!

%9962.

Check the power status

STANDBY/PWOFF/
PWON

%9963.

Check the working mode of infrared
carrier.

Carrier native/ Force
carrier

%9964.

Check the IP address.

IP:192.168.0.178
(default)

%9971.

Check the connection status of the inputs.

In 01 02 03 04
Connect Y Y Y Y

%9972.

Check the connection status of the
outputs.

Out 01 02 03 04
Connect Y Y Y Y

%9973.

Check the HDCP status of the inputs.

In 1 2 3 4
HDCP N N N N

Command

Function

Feedback Example

%9974.

Check the HDCP status of the outputs.

Out 1 2 3 4
HDCP N N N N

%9975.

Check the I/O connection status.

Out 01 02 03 04
In 04 04 04 04

%9976.

Check the output resolution.

Out 1 1920x1080
Out 2 1920x1080
Out 3 1920x1080
Out 4 1920x1080

%9977.

Check the status of digital audio of output
channels.

Out 1 2 3 4
Audio Y Y Y Y

%9978.

Check the HDCP compliant status of the
inputs.

In 01 02 03 04
HDCPEN Y Y Y Y

4.4 TCP/IP Control

SUHM44HB boasts option TCP/IP port for IP control.
Default settings: IP: 192.168.0.178; Subnet Mast: 255.255.255.0; Gateway: 192.168.0.1;

Serial Port: 8080.
IP& gateway can be changed as you need, Serial Port cannot be changed.
Connect the Ethernet port of control device and TCP/IP port of SUHM44HB, and set

same network segment for the 2 devices, users are able to control the device via
web-based GUI or designed TCP/IP communication software.

4.4.1 Control Modes

SUHM44HB can be controlled by PC without Ethernet access or PC(s) within a LAN.
 Controlled by PC

Connect a computer to the TCP/IP port of the SUHM44HB, and set its network segment
to the same as the SUHM44HB’s.

 Controlled by PC(s) in LAN
Connect SUHM44HB, a router and several PCs to setup a LAN (as shown in the

following figure). Set the network segment of SUHM44HB to the same as the router’s,
then PCs within the LAN are able to control SUHM44HB.

Router

Internet

PC

TCP IP Port/

Follow these steps to connect the devices:
Step1. Connect the TCP/IP port of the SUHM44HB to Ethernet port of PC with twisted

pair.

Step2. Set the PC’s network segment to the same as the SUHM44HB’s. Do please

remember the PC’s original network segment.

Step3. Set the SUHM44HB’s network segment to the same as the router.

Same network
segment as the
switcher

Step4. Set the PC’s network segment to the original ones.
Step5. Connect the SUHM44HB and PC(s) to the router. PC(s) within the LAN is able

to control the SUHM44HB asynchronously.

Then it’s able to control the device via GUI.

4.4.2 GUI for TCP/IP control

SUHM44HB provides with built-in GUI for convenient TCP/IP control. GUI allows users
to interact with SUHM44HB through graphical icons and visual indicators.

Type 192.168.0.178 in your browser, it will enter the log-in interface shown as below:

There are 2 selectable usernames – admin (default password: admin) and user (default
password: user). Log in as admin can access more configuration interfaces than user.
Enter username and the right password. Here is a brief introduction to the interfaces.

Main: Interface shown after logging in, provide intuitive I/O connection switching. See
the screenshot below:

The button matrix displays every possible connection between every input and output,
users can carry on the connections by clicking corresponding button.

Buttons 1~9 at the right-bottom corner provides quick saving and recall for overall
connection status.

Users: Display or modify credential settings, front panel lock, and GUI version.

If there is any modification, press Save to restore the settings, or press Cancel to
withdraw.

Interface: Set title bar label, LCD readout, and button labels, press Save to save the
settings

Configuration: EDID. See the screenshot below:

Network: Inquire and configure network settings including MAC address, IP address,
subnet mask, and Gateway

Note: Log in as user access main interface only.

4.4.3 GUI Update

GUI for SUHM44HB supports online update in http://192.168.0.178:100. Type the
username and password (the same as the GUI log-in settings, modified password will
be available only after rebooting) to log in the configuration interface. After that, click
Administration at the source menu to get to Upload Program as shown below:

Select the desired update file and press Apply, it will start upgrading then.

4.5 Firmware Update via USB

SUHM44HB boasts a USB port for online firmware upgrade on the front panel. Follow
these steps to upgrade firmware:

Step1. Copy the upgrade software and the latest upgrade file (.bin) to PC.
Step2. Connect the USB ports of SUHM44HB and the PC via USB cable.
Step3. Double-click the update software icon (see as below).

It will enter the upgrade interface shown as below:

Step4. Click Connect USB.
Step5. Click Open to load the upgrade file, then click Updata to start firmware

upgrading.

Note: To ensure available control, the COM number of the PC should be 1~9.

5. Specification

Video Input

Video Output

Input

4 HDMI

Output

2 HDMI
4 HDBaseT

Input
Connector

Female HDMI

Output
Connector

Female HDMI

Female RJ45(with LED
indicators)

Input Level

T.M.D.S. 2.9V~3.3V

Output Level

T.M.D.S. 2.9V~3.3V

Input
Impedance

100Ω (Differential)

Output
Impedance

100Ω (Differential)

Video General

Gain

0 dB

Bandwidth

10.2Gbit/s

Video Signal

HDMI (or DVI-D)

Resolution
Range

Up to 4Kx2K@60Hz

Transmission
Distance

1080P@60Hz ≤70m
4Kx2K@30Hz ≤40m

Switching
Speed

200ns (Max.)

EDID
Management

In-built EDID data and manual EDID management
HDCP

Supports HDCP 2.2 auto and manual HDCP management.

Audio General

Output Signal

Stereo audio
Digital audio

Output
Connector

4 3-pin pluggable
terminal blocks
4 Coax (RCA)

Stereo
Output

Earphone output: distortion 0.1% 32Ω/70mW@1KHz, 0.1%
16Ω/105mW @1KHz, support PCM

Coax

Output

Supports PCM, Dolby Digital, DTS, DTS-HD

Frequency
Response

20Hz~20KHz

Control Parts

Control Ports

4 IR OUT (green)
4 IR IN (black)
1 IR EYE (black)
1 TCP/IP (female RJ45)
1 RS232 (9 pin female D)

4 RS232 (3-pin pluggable terminal blocks)

Panel
Control

Front panel buttons

RS232
Control

9-pin female RS232
connector

IR

Built-in IR sensor
Extended IR receiver

TCP/IP
Control

Web-based GUI

General

Power
Supply

DC 24V 2.5A

Power
Consumption

48W (Max)

Temperature

-10 ~ +40℃

Reference
Humidity

10% ~ 90%

Dimension
(W*H*D)

437 x 44 x 235 mm
(1U high, full rack
wide)

Weight

2.0Kg

6 Panel Drawing

1 2 3 4

CLEAR

EDIDALL

INPUT S ME NU

ENTER

IR

FIRMWAR E

SYSTEM M ONITOR

436.40 mm

23.10 mm

44.00 mm

31.80 mm

RS232

IR EYE

TCP/IP

HDMI INP UTS

IR OUT

1 2 3 4

1 2 3 4

OUTPUT S

HDMI

AUDIO

HDBaseT HDMI

2 3 4

L R

AUDIO

L R

AUDIO

L R

AUDIO

L R

Tx Rx Tx Rx Tx Rx

IR IN

1

IR IN IR IN IR IN

IR ALL IN

COAX

HDBaseT HD BaseT HDB aseT

DC 24V

COAX COAX COAX

Tx Rx

HDCP2 2.

6. Troubleshooting & Maintenance

Problems

Causes

Solutions

Color losing or no video
signal output

The connecting cables may
not be connected correctly
or it may be broken.

Check whether the cables
are connected correctly
and in working condition.

Fail or loose connection

Make sure the connection
is good

No output image when
switching

No signal at the input /
output end

Check with oscilloscope or
multimeter if there is any
signal at the input/ output
end.

Fail or loose connection

Make sure the connection
is good

Input source is with HDCP
while the HDCP
compliance is switched off.

Send command
/%[Y]/[X]:1. or change
HDCP compliance status in
GUI.

The display doesn’t
support the input
resolution.

Switch for another input
source or enable the
display to learn the EDID
data of the input.

Cannot control the device
via front panel buttons

Front panel buttons are
locked.

Send command /%Unlock;
or select unlock in GUI
interface to unlock

Cannot control the device
via IR remote

The battery has run off.

Change for new battery.

The IR remote is broken.

Send it to authorized
dealer for repairing.

Beyond the effective range
of the IR signal or not
pointing at the IR receiver

Adjust the distance and
angle and point right at the
IR receiver.

The IR receiver connected
to IR IN/ IR ALL IN port is
not with carrier

Change for an IR receiver
with carrier.

Power Indicator remains off
when powered on

Fail or loose power
connection

Check whether the cables
are connected correctly

EDID management does
not work normally

The HDMI cable is broken
at the output end.

Change for another HDMI
cable which is in good
working condition.

There is a blank screen on
the display when switching

The display does not
support the resolution of
the video source.

Switch again.

Manage the EDID data
manually to make the
resolution of the video
source automatically
compliant with the output
resolution.

Cannot control the device
by control device (e.g. a
PC) through RS232 port

Wrong connection

Check to ensure the
connection between the
control device and the unit

Wrong RS232
communication parameters

Type in correct RS232
communication
parameters: Baud
rate:9600; Data bit: 8; Stop
bit: 1; Parity bit: none

Broken RS232 port

Send it to authorized
dealer for checking.

Static becomes stronger
when connecting the video
connectors

Bad grounding

Check the grounding and
make sure it is connected
well.

Cannot control the device
by RS232 / IR remote /
front panel buttons

The device has already
been broken.

Send it to authorized
dealer for repairing.

If your problem persists after following the above troubleshooting steps, seek further
help from authorized dealer or our technical support.

7. After-sales Service

If there appear some problems when running the device, please check and deal with the
problems reference to this user manual.

1) Product Limited Warranty: We warrants that its products will be free from defects
in materials and workmanship for three years, which starts from the first day the
product leaves warehouse (check the SN mark on the product).
Proof of purchase in the form of a bill of sale or receipted invoice must be presented
to obtain warranty service.

2) What the warranty does not cover:

 Warranty expiration.
 Factory applied serial number has been altered or removed from the product.
 Damage, deterioration or malfunction caused by:

 Normal wear and tear
 Use of supplies or parts not meeting our specifications
 No certificate or invoice as the proof of warranty.
 The product model showed on the warranty card does not match with the

model of the product for repairing or had been altered.

 Damage caused by force majeure.
 Servicing not authorized
 Other causes which does not relate to a product defect

 Delivery, installation or labor charges for installation or setup of the product

3) Technical Support: Email to our after-sales department or make a call, please
inform us the following information about your cases.

 Product version and name.
 Detailed failure situations.
 The formation of the cases.