SY SMS44-18G User manual

SY Electronics Ltd., 7 Worrall Street, Manchester, M5 4TH, United Kingdom
Tel: [phone] – Web: sy.uk
User Manual
SMS44-18G
4x4 Seamless Scaling 4K60 HDMI 2.0
18G Matrix Switch
with
Video Wall Mode

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Contents
FEATURES 5
PANEL DESCRIPTIONS 5
Front Panel 5
Rear Panel 6
CONNECTION PROCEDURE 6
CONTROLLING THE SY-SMS44-18G 6
Seamless Matrix Switcher 6
Front Panel Control 6
Signal Routing 6
Setting the Output Resolution 7
Setting the Input EDID 7
Saving to a Pre-set Memory 8
Recalling a Pre-set Memory 8
Front Panel Lock / Unlock 8
Video and IR Routing Relation 8
LAN AND RS232 CONTROL COMMANDS 9
VIDEO RS232 COMMANDS 9
Video Selections 9
Video Output Signal Format 10
Input Video Format 10
AUDIO RS232 COMMANDS 11
Input Audio Select 11
SYSTEM RS232 COMMANDS 11
Get Firmware Version 13
System Reset 13
RS232 CONTROL FROM SY-PC TOOLS SOFTWARE 13
Controlling the Matrix Switcher 14
EDID Management 15

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Reset to Factory Defaults 16
Signal Setting Tab 16
Input Format 16
Audio Select 16
No Signal Mode 17
Test Pattern 17
Output Type 17
Fine Tune:PQ 17
TV Wall 18
Bezel Setting 19
Type A Bezel Settings 19
Type B Bezel Settings 19
Bezel Compensation 19
Video Wall Context Menu 20
Scene Save/Load (Pre-set) 21
Network Setting Tab 21
USING THE BUILT-IN WEBGUI 21
Controlling the Switcher 22
IP Config Tab 22
SPECIFICATIONS 23
Video 23
Audio 23
Control and Power 23
Environmental 24
Physical 24
Package Contents 24
Safety Instructions 24
After Sales Service 24

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Thank you for purchasing the SMS44-18G Seamless Matrix.
This product is designed with professional AV installers in mind. The many extensive features
assist with system integration, validation and maintenance. Please carefully read this manual
prior to installation and keep for future reference. You can download further supporting
documentations from our web site (sy.co.uk)
Installation precautions
This product has special circuitry to protect it against moderate surges and static discharges.
However, to ensure reliable operation and long service life, it is important to take the
necessary precautions against any spikes, surges, lightening and static discharges.
Place the unit away from heat sources and allow adequate ventilation.
High quality High-Speed HDMI 2.0 cables (such as SY Stealth range) are highly recommended.
As much as possible cables should be routed away from any noisy sources and avoiding long
runs in close proximity to mains cables.

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The SY-SMS44-18G is a high-performance HDMI 2.0 seamless scaling matrix switcher capable of
handling HDMI signals up to 4K60 4:4:4 (18Gbps) (input and output). It provides 4 HDMI inputs,
4 HDMI outputs and can be used as a 4x4 seamless matrix switcher or a video wall processor
that can be configured to almost any video wall layout.
Features
Supports HDMI 2.0 up to 4K60 4:4:4 – 18Gbps
Supports all HDCP up to version 2.2
Seamless switching with powerful output scaling
12 Selectable HDMI output resolutions
Audio embedding for each input – L+R only
Audio de-embedding of each output – L+R, Balanced L+R, Optical Mini-Toslink
IR (In/Out) switching follows video switching
Supports CEC control
Supports 180º image rotation per display in Video Wall mode
EDID management for each input
Controllable from front panel, IR, RS232 or TCP/IP
19in 1U rack mounting
Panel Descriptions
Front Panel
Item
Description
LCD Panel
Displays the current video selections
COM
Power LED (also indicates control commands)
LOCK
Front panel lock/unlock
OUTPUT
Output selection buttons 1~4
INPUT
Input selection buttons 1~4
ALL
Set all outputs to the next input selection
RES
Set the output scaler resolution
EDID
Set the EDID options for the next input selection
NEXT
Select the next available option
SAVE
Save the current matrix setting as a pre-set
RECALL
Set the matrix setting from a saved pre-set
CLEAR
Cancel the current command function
ENTER
Set the displayed option

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Rear Panel
Item
Description
LAN
RJ45 control port for operation by TCP/IP
RS232-1
Main RS232 control port
RS232-2
General use RS232
IR
IR Eye input for IR controller
IR OUT 1~4
IR outputs for HDMI inputs 1 to 4
IR IN 1~4
IR inputs for HDMI outputs 1 to 4
AUDIO IN 1~4
Analogue audio inputs for HDMI inputs 1 to 4
AUDIO OUT 1~4
Analogue audio outputs for HDMI outputs 1 to 4
INPUTS 1~4
HDMI inputs 1 to 4
OUTPUTS 1~4
HDMI outputs 1 to 4
POWER INPUT
IEC connector for 100~240V AC power input
Connection Procedure
1. Connect the HDMI sources to the HDMI inputs as required.
2. Connect the HDMI display devices to the HDMI outputs as required.
3. If required, connect any audio inputs or outputs and IR inputs and outputs.
4. If required, connect to the RS232 or LAN control ports.
5. Connect the IEC port to an AC outlet.
Controlling the SY-SMS44-18G
Seamless Matrix Switcher
When the SY-SMS44-18G is being used as a seamless matrix switcher, it can be controlled by any
one of the following three methods:
1. Front Panel
2. RS232 Control Software
3. LAN Control WebGUI
Front Panel Control
Each of the following operations is completed only when the ENTER key is pressed. If the ENTER
is not pressed or the CLEAR key is pressed, the switcher will return to the current settings.
Signal Routing
Use the following methods to set the signal routing for HDMI, audio and IR:
1. Press one of the numbered output buttons on the top row.
2. Press the desired input button number on the bottom row.
3. Press the ENTER button.

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Note:
1. IR routing always follows with the video selections.
2. The default audio routing follows with the video routing, but the user can select Audio
Manual routing mode by PC Tool or an RS232 command. Note that the front panel
does not switch audio when audio routing is in manual mode. This allows a user to
independently control the audio matrix switch from the PC Tool or using RS232
commands.
To set all outputs to a single input:
1. Press the ALL button.
2. Press the desired input button number on the bottom row.
3. Press the ENTER button.
Setting the Output Resolution
Each output can be set to a different resolution:
1. Press the RES button.
2. Select the output to by pressing one of the output buttons on the top row.
3. Press NEXT until the desired resolution is displayed on the LCD.
4. Press the ENTER button to accept the setting.
5. Repeat from Step 1 until all required outputs are set.
Available output resolutions are:
Number
Output Resolution Setting
Number
Output Resolution Setting
1
3840x2160p 60Hz
9
1400x1050 60Hz
2
3840x2160p 50Hz
10
1366x768 60Hz
3
3840x2160p 30Hz
11
1360x768 60Hz
4
3840x2160p 25Hz
12
1280x1024 60Hz
5
1920x1200 60Hz
13
1280x768 60Hz
6
1920x1080p 60Hz
14
1280x720p 60Hz
7
1920x1080p 50Hz
15
1280x720p 50Hz
8
1600x1200 60Hz
16
1024x768 60Hz
Setting the Input EDID
Each input can have a different EDID setting to ensure that the input HDMI signal is best suited
to the HDMI source:
1. Press the EDID button.
2. Press one of the numbered input buttons for the input being set.
3. Press NEXT until the desired EDID option is displayed.
4. Press the ENTER button.
5. Repeat from Step 1 until all the required inputs are set.
The available EDID options are:
Number
Input EDID Setting
Number
Input EDID Setting
1
3840x2160p 60Hz (default)
5
1280x1024 60Hz
2
3840x2160p 30Hz
6
1920x1200 60Hz
3
1920x1080p 60Hz
7
Manual
4
1280x720p 60Hz
―
―

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Saving to a Pre-set Memory
The current matrix routing can be stored to one of up to eight pre-set memories:
1. Press the SAVE button.
2. Press one of the numbered output buttons for the pre-set memory to set.
3. Press the ENTER button.
Recalling a Pre-set Memory
The current matrix routing can be set from one of up to eight pre-set memories:
1. Press the RECALL button.
2. Press one of the numbered output buttons for the pre-set memory to recall.
3. Press the ENTER button.
Front Panel Lock / Unlock
The front panel control buttons can be individually or globally locked to prevent accidental use
or operation by unauthorised persons.
Global Lock / Unlock All Buttons
Press the LOCK button for two seconds to globally lock or unlock the front panel. When the panel
is locked, all buttons except the LOCK button will not function until the front panel is unlocked.
The LOCKED/UNLOCKED state is shown on the LCD panel and by the LED above the LOCK button,
which is lit when the front panel is fully LOCKED.
Individually Lock/Unlock Specific Input or Output Buttons
When the unit is UNLOCKED, press and hold down the LOCK button for six seconds. The LCD
panel will show the following (any displayed numbers indicates that those buttons are already
locked):
Output: --------
Input: --------
Pressing any of the numbered Input or Output buttons will toggle the lock status of that button.
The button will become locked when the respective button number is shown on the LCD panel.
When all selections are done, press the ENTER button to set the new LOCK/UNLOCK states of
those buttons.
Whenever a locked Output or Input button is activated, the LCD panel will show that the button
is locked. In this mode, the LOCK LED is not lit.
To unlock those buttons, repeat the above steps to remove the button numbers from the LCD
panel before pressing ENTER to accept the changes.
Video and IR Routing Relation
The IR detector and emitter must have the following wiring to ensure proper IR function:
3.5mm Jack
IR Detector (Eye)
IR Emitter
Tip
IR Signal
IR Signal
Ring
+5V
+5V
Sleeve
IR Return (Ground)
No Connection
The IR matrix routing will always follow the HDMI matrix video routing.

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LAN and RS232 Control Commands
All the ASCII commands given in this section use the following RS232 port settings:
Baud Rate: 57600
Data Bits: 8
Parity: None
Stop Bits: 1
All the ASCII RS232 commands given in this section can also be sent to the LAN port using the
following settings:
Default IP Address: 192.168.0.247
Default Network Mask: 255.255.255.0
Default Gateway: 192.168.0.1
Default TCP Port: 23 – Telnet
Notes:
1. All commands in this section are always terminated with the ASCII carriage-return
character, 0x0d. This is represented by the  symbol in each command.
2. All responses are always terminated with the ASCII carriage-return and line-feed
sequence (0x0d 0x0a).
3. All spaces shown in the command are required. Lowercase letters are used as value
placement indicators, the required value or identifier is given in the Details panel for
each command.
Video RS232 Commands
Video Selections
The following commands are used to make video selections:
Command
Details
SET INx VIDEO OUTy
Select Input x to Output y
Where:
x is in the range 1 to 4
y is in the range 1 to 4
SET INx VIDEO ALL
Select Input x to All Outputs
Where:
xis in the range 1 to 4
Examples:
SET IN4 VIDEO OUT2
OUT2 VIDEO IN4
SET IN1 VIDEO ALL
ALL VIDEO IN1

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Video Output Signal Format
The following command configures the output video format for the specified output.
Command
Details
SET OUTx OUT-SIGNAL w
Set Output y to the desired output format.
Where:
x is in the range 1 to 4 for outputs 1 to 4.
w is one of the following:
3840x2160p60
3840x2160p50
3840x2160p30
3840x2160p25
1920x1200p60
1920x1080p60
1920x1080p50
1600x1200p60
1400x1050p50
1366x768p60
1360x768p60
1280x1024p60
1280x768p60
1280x720p60
1280x720p50
1024x768p60
GET OUTx OUT-SIGNAL
Return the output video format for the specified output.
Where:
xis in the range 1 to 4
Examples:
GET OUT1 OUT-SIGNAL
Get OUT1 OUT-SIGNAL UHD-HDMI@3840x2160p30
SET OUT1 OUT-SIGNAL
3840x2160p60
Set OUT1 OUT-SIGNAL 3840x2160p60
Input Video Format
This GET command returns the detected video input format for the specified video input.
Command
Details
GET INx IN-SIGNAL
Return the video format for Input x
Where:
xis in the range 1 to 4
Examples:
GET INx IN-SIGNAL
IN1 IN-SIGNAL UHD-HDMI@4K2Kp60

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Audio RS232 Commands
Input Audio Select
The Input HDMI audio can be replaced with the external L/R audio input.
The following command sets the audio routing options:
Command
Details
SET INx AUDIO-SRC w
Select Input x to audio input w mode
Where:
x is in the range 1 to 4
w is one of the following options:
EMDEBBED
L/R
GET INx AUDIOIN
Return the audio input mode for Input x
Examples:
SET IN1 AUDIO-SRC L/R
Set IN1 audio source with external LR1
GET IN2 AUDIO-SRC
Get IN2 audio Source-EMBEDDED
The following command set the L/R and Toslink audio output
Command
Details
SET INx AUDIO-ROUTE OUTy
Select Input x to LRy and Toslink(y)audio output
Where:
x is in the range 1 to 4 (input channel, HDMI/Audio)
y is in the range 1 to 4 (output channel, LR/Toslink)
Examples:
SET IN1 AUDIO-ROUTE OUT1
Set audio IN1 to LR1/Toslink(1) out
System RS232 Commands
There are several system related commands that can be used to determine which product is
connected to the RS232 communication link and getting the current IP configuration for the SY
switcher device connected to a network.

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Device IP Settings
The following command sets the device IP parameters. Note that when setting to DHCP mode,
the IP address, Subnet mask and gateway addresses are not required. For STATIC IP mode, the IP
address, subnet mask and default gateway must always be specified in the command.
Command
Details
SET SYS IP DHCP
Set the IP mode to DHCP. The device will get the required
IP settings from the network server.
SET SYS IP STATIC,aa,ss,gg
Set the IP mode to STATIC. The device IP settings are
provided in the command.
Where:
aa is the new device IP address given as four decimal
octets
ss is the new subnet mask given as four decimal octets
gg is the IP address of the default gateway given as four
decimal octets
GET SYS IP
Return the IP mode setting (inc. MAC) of the device.
Each of the decimal octets will have one to three digits, as leading zeroes are not presented in
the response message.
Examples:
For these examples the MAC address is D8:B0:4C:B9:47:DF. This will be different for each
device, but it is always returned without the colons. All of the other IP addresses are the factory
default values, except where specified by the command.
Command
GET SYS IP
Response
+++aAT+MAC
AT+WANN
AT+ENTM
SYS IP D8B04CB947DF
DHCP,192.168.0.247,255.255.255.0,192.168.0.1
Command
SET SYS IP DHCP
Response
+++aAT+WANN=DHCP
AT+Z
AT+ENTM
SYS IP DHCP
Command
SET SYS IP STATIC 192.168.0.222,255.255.255.0,192.168.0.1
Response
+++aAT+WANN=STATIC 192.168.0.222,255.255.255.0,192.168.0.1
AT+ENTM

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Get Firmware Version
This command will return the installed firmware versions.
Command
Details
GET SYS VERSION
Return the firmware version of the output port
Examples:
The following response is just an example, the actual response will always show the installed
firmware version.
GET SYS VERSION
SYS VERSION
2019/01/01-12:00:00
System Reset
The System Reset command will restore all settings, except IP settings, to their factory default
values. The SYSTEM RESET command acts immediately and will reset all settings except the
current IP configuration.
Command
Details
SET SYS RESET ALL
Reset the system to its factory defaults.
Example:
SET SYS RESET ALL
SYS RESET ALL
*+---D----
U0000U0101U0202U0303U0404U0505U0606U0707--#
RS232 Control from SY-PC Tools Software
The SY-SMS44-18G can also be controlled using RS232 from the SY-PCTools or by using RS232
commands (see separate RS232 Command Protocol document). This section will only detail
controlling the unit from the RS232 PC Tools software (can also use LAN connection).
Connect an RS232 port from the PC or laptop to the 9-way D connector on the rear of
the matrix switcher. (or connect to the LAN via the LAN port)
Start the software by clicking the SY-PC TOOL.exe icon:
Select SMS44-18G from the software list.
Wait for the PC software to complete configuring itself.
When the PC software is ready a screen similar to the following will be displayed:

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Note: The Port COM number may be different for each PC or laptop that the controller software
is run from.
The Ctrl Mode control group allows the PC software to use either RS232 (UART) or a TCP/IP
(Network) connection. To use a network connection, first set UART as the Ctrl Mode and then
click the Find via UART button. When the IP address is displayed, Network can be selected as
the control mode. When the Control mode is set to Network, the Find via UART button changes
to Search Device. Using the Search Device button may require additional firewall permissions
by Windows.
Controlling the Matrix Switcher
To make video selections, click anywhere within the grid region and the blue marker will change
to the new selection, indicating the updated status of the HDMI matrix.
To quickly set all the outputs to a single input, select that input from the Allset drop-down list.
The action will be performed immediately, and the upper grid region will show the new selection
status.
A matrix selection can be stored to a pre-set memory by selecting from Mode1 to Mode12 from
the SaveAs drop-down list. This action is immediate without any prompts.
A matrix selection can be recalled from a pre-set memory by selecting from Mode1 to Mode8
from the Recall drop-down list. This action is immediate and will be shown by changes to the
video selection markers.

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EDID Management
Click the EDID button on any of the Switch Control panels to open the EDID panel:
To use this panel, choose one of the following options first:
Read EDID from an Output – Select the output to read from in the top row of selection
buttons and then click Read.
Load an EDID File from disk – Click Open and select the EDID binary file from the File
Browse window that opens.
Either of the above options will fill the lower panel with the binary EDID data from either the
display at the selected output or from the chosen EDID file.
To set an input to the loaded EDID data:
1. Select an input number to accept the EDID data.
2. Click the Write button.
The EDID data is stored to the EDID Manual option of that input. Use the front panel to set that
input to EDID Manual to make updated the EDID active.
To save the EDID data to a disk file after reading from any output:
1. Click the Save button and a file browse window will open.
2. Select the location and enter a filename to save the EDID data to and click the Save
button. Be sure to include the .bin extension when entering the filename as it will not
be added automatically when clicking the Save button.

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Reset to Factory Defaults
The Reset button should be used with caution as clicking Yes to the following warning message
will reset the SY-SMS44-18G matrix switcher back to its factory default settings.
The following items will be affected:
All named inputs and outputs will lose their names.
All outputs will be set to 4K2K@30Hz.
Any video wall configurations will be deleted.
All pre-set memories will be cleared to the default setting.
Note that any programmed IP settings are not affected by the Reset command.
Signal Setting Tab
The Signal Settings tab reports the connected signal states along with the input EDID setting and
the output Resolution setting.
Input Format
The Input Format is for information only as none of the settings can be changed, but each or all
of them can be read at any time by clicking on the respective Read or Read All button.
Audio Select
There are two options for Audio selection for each input channel:
1. Auto
2. L/R
When in Auto and the input is a DVI source, system will select external L/R audio as the audio
source of this input channel.
When select L/R, system will select external L/R audio as the audio source of this input channel
no matter the input format.

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No Signal Mode
The No Signal Mode provides three options for when an input that has no signal present:
1. Show No Signal words – This a screen saver mode
2. Black Screen – This will stop the display from entering standby mode
3. No Timing output – The display device may enter its standby mode
The default setting is No Timing Output.
Test Pattern
The Test Pattern setting will enable or disable the internal test pattern generator. The test pattern
is a simple colour bar display. The default setting is OFF.
Output Type
The Output Type column allows each output to be set to one of the following options:
UHD-HDMI – Sets the respective output signal to HDMI with HDCP pass-through.
UHD-DVI – Set the respective output signal to DVI, with no audio output.
UHD-HDMI-1.4 – Sets respective the output signal to HDMI with HDCP 1.4 compliance.
UHD-HDMI-2.2 – Sets respective the output signal to HDMI with HDCP 2.2 compliance.
The Output Format column allows the setting of the resolution for each output. The available
resolutions are the same as those given in Setting the Output Resolution given on page 7.
Fine Tune:PQ
The Fine Tune – PQ tab allows adjustment of each of the output signals.
Adjust the Brightness, Contrast, Saturation and Sharpness sliders to the selected output to adjust
the image quality of that output. Use the Read button to obtain the current values and the Reset
button to restore the factory default values.

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TV Wall
This panel allows the configuration of a video wall display. The screen layout is changed by
moving the Rows and Columns sliders and clicking the Set button.
1. Use the Video Wall Setting controls to change how the displays are arranged on the
Video Wall tab:
a. Adjust the Rows and Columns sliders to change the displayed screen arrangement
to permit proper Drag-and-Select of the desired screens for the video wall.
b. Change the Available slider to set how many outputs will be used for the video wall.
c. Click the Set button to change the Screen configuration on the Video Wall tab.
2. Use the left mouse button to drag-select the screens that will be set for video wall mode.
The selected screens will be shown as bright blue.
3. Use the right mouse button to open a menu.
4. Select Screen Stitching from the menu to program the video wall mode. The selected
screens will now be shown as bright green.
5. To change the displayed image: Right-click to open the pop-up menu and select the
desired input from the Input Select menu option.
6. Repeating steps 2 to 5 above with a different set of outputs allows the creation of a
second video wall. However, changing the Rows, Columns and Available sliders will
automatically delete the current video wall set up when the Set button is clicked. The
following example shows a more unusual video wall set-up of two video walls each
with a two 2x1 configuration:

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The top video wall is complete after using the Screen Stitching command.
The bottom video wall is waiting for the Screen Stitching command to complete it.
Bezel Setting
The Bezel Setting section allows the entry of values to compensate for the display bezel thickness.
These values may be entered either as pixels (Type A) or as millimetre (Type B).
Type A Bezel Settings
The image size will be adjusted to allow for the number of pixels entered in each of the entry
boxes. Click the Set button view the effect of the new values.
Type B Bezel Settings
The image size will be adjusted to allow for the Inner and Outer display dimensions as entered
in each of the entry boxes. Click the Set button view the effect of the new values.
Bezel Compensation
The following images demonstrate the effect of not having bezel compensation and what a
correctly configured bezel compensation settings should produce:
No Bezel Compensation
Correct Bezel Compensation

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Video Wall Context Menu
Right clicking on any of the screen icons will display the following context menu:
Screen Stitching
This option stitches and connects the selected screens into a video wall
configuration.
Cancel Stitching
Return the Video Wall configuration to normal individual outputs.
Screen x – Cancel Stitching
Removes a single screen x
from the video wall, which
allows it to display another
image within the video wall
configuration, as shown in
this example:
Input Select
Use the sub-menu to select the input to display on the video wall or the
secondary input image shown in the above example.
Output Select
This option is only available for any screen that is not assigned to a video
wall mode.
Output Type
Use the submenu to set the HDCP options for that output.
Rotate
Two sub options: OFF (default – No rotation), ON (Rotate image).
Select ON: 180º image rotation of the selected screen
Test Pattern
Each output can display Colour Bar pattern at the selected resolution.