Black Box AVS-HDMI2-8X8 User manual

24/7 TECHNICAL SUPPORT AT 1.877.877.2269 OR VISIT BLACKBOX.COM
VIDEO MATRIX
SWITCHER 8X8
HDMI 2.0
AVS-HDMI2-8X8
USER MANUAL
1 2 3 4 5 6
SYSTEM MONITOR
FIRMWARE
IR 78

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TABLE OF CONTENTS
SAFETY PRECAUTIONS.................................................................................................................................................................... 4
1. SPECIFICATIONS........................................................................................................................................................................... 5
2. OVERVIEW...................................................................................................................................................................................... 6
2.1 Introduction...............................................................................................................................................................................................6
2.2 Features ....................................................................................................................................................................................................6
2.3 What’s Included........................................................................................................................................................................................6
2.4 Hardware Description..............................................................................................................................................................................7
2.4.1 Front Panel...........................................................................................................................................................................................................7
2.4.2 Back Panel...........................................................................................................................................................................................................8
3. SYSTEM CONNECTION................................................................................................................................................................. 9
3.1 Usage Precautions ...................................................................................................................................................................................9
3.2 System Diagram.......................................................................................................................................................................................9
3.3 Connection Procedure...........................................................................................................................................................................10
3.4 System Applications..............................................................................................................................................................................10
4. PANEL BUTTON CONTROL ........................................................................................................................................................ 11
4.1 I/O Connection Switching...................................................................................................................................................................... 11
4.2 EDID Configuration ................................................................................................................................................................................11
4.3 I/O Connection Inquiry...........................................................................................................................................................................11
5. IR CONTROL................................................................................................................................................................................. 12
6. RS-232 CONTROL ........................................................................................................................................................................ 13
6.1 Installation/Un-installation of RS-232 Control Software....................................................................................................................13
6.2 Basic Settings.........................................................................................................................................................................................13
6.3 RS-232 Communication Commands....................................................................................................................................................14
6.3.1 System Commands.........................................................................................................................................................................................14
6.3.2 Lock/Unlock Commands ...............................................................................................................................................................................15
6.3.3 Switching Commands ....................................................................................................................................................................................15
6.3.4 Scene Commands ...........................................................................................................................................................................................16
6.3.5 HDCP Compliance ...........................................................................................................................................................................................17
6.3.6 EDID Configuration ..........................................................................................................................................................................................17
6.3.7 Enable/Disable Digital Audio..........................................................................................................................................................................18
7. TCP/IP CONTROL ........................................................................................................................................................................ 19
7.1 Control Modes.........................................................................................................................................................................................19
7.2 TCP/IP Communication Software Control...........................................................................................................................................21
7.3 Web-based GUI Control..........................................................................................................................................................................22
7.3.1 Scene Setting ....................................................................................................................................................................................................23
7.3.2 I/O Connection Switching...............................................................................................................................................................................24

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TABLE OF CONTENTS
7.3.3 EDID Configuration...........................................................................................................................................................................................25
7.3.4 Audio Output......................................................................................................................................................................................................26
7.3.5 Status Setting....................................................................................................................................................................................................27
7.3.6 Network Configuration....................................................................................................................................................................................28
7.3.7 Password Modification ...................................................................................................................................................................................29
7.4 TCP/IP Configuration .............................................................................................................................................................................29
7.5 GUI Update ..............................................................................................................................................................................................30
8. FIRMWARE UPGRADE THROUGH USB PORT........................................................................................................................... 31
9. DIMENSIONAL DRAWING........................................................................................................................................................... 32
10. TROUBLESHOOTING................................................................................................................................................................. 33
APPENDIX A. REGULATORY INFORMATION ................................................................................................................................ 34
A.1 FCC ..........................................................................................................................................................................................................34
A.2 CE and RoHS2........................................................................................................................................................................................34
A.3 NOM Statement .....................................................................................................................................................................................35
APPENDIX B. DISCLAIMER/TRADEMARKS ................................................................................................................................. 36
B.1 Disclaimer ...............................................................................................................................................................................................36
B.2 Trademarks Used in this Manual ..........................................................................................................................................................36

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SAFETY PRECAUTIONS
To ensure the best performance 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 product. This may cauase electrical shock or burn.
Using supplies or parts not meeting the product’s 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 location with proper ventilation to avoid damage caused by overheating.
Keep the product 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 the housing,
unplug the unit immediately.
Do not twist or pull by force the ends of the 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. Treat the product as normal electrical
waste.

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CHAPTER 1: SPECIFICATIONS
TABLE 1-1. SPECIFICATIONS
SPECIFICATION DESCRIPTION
Input
Input Signal (8) HDMI
Input Connector (8) HDMI Type A female
Output
Output (8) HDMI, (8) SPDIF audio
Output Connector (8) HDMI Type A female, (8) coax
Control
Control Signal (1) IR IN, (1) TCP/IP, (1) RS-232
Control Connector (1) 3.5-mm mini jack, (1) RJ-45 female, (1) 3-pin pluggable terminal block
Video Signal HDMI 2.0 and HDCP 2.2
Audio Signal Dolby Digital, DTS, DTS-HD
Power
AC Adapter Input Power 100 to 240 VAC, 50/60 Hz
Input Power 24 VDC, 2.71 A
Power Consumption 21 W (max.)
General
EDID Management Built-in EDID data and manual EDID management
Resolution 640 x 480 @ 60 Hz, 4K x 2K@ 60 Hz 4:4:4, 1080p 3D
HDMI Cable Length < or = 1.5 ft. (5 m)
Operating Temperature 14 to 131° F (-10 to 55° C)
Humidity 10 to 90% relative humidity
Dimensions 1.7" H x 17.2" W x 9.3 D (4.4 x 43.7 x 23.6 cm)
Weight 4.0 lb. (1.82 kg)

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CHAPTER 2: OVERVIEW
2.1 INTRODUCTION
The Video Matrix Switcher 8 x8, HDMI 2.0, 4K 60 Hz 4:4:4, HDR, Audio is a professional 4K 8 x 8 HDMI2.0 Matrix Switcher with 8 HDMI
inputs, 8 HDMI outputs, and 8 SPDIF audio outputs. It is designed for switching eight HDMI 2.0 and HDCP 2.2 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.
2.2 FEATURES
Eight SPDIF ports provide de-embedded HDMI audio output
Supports 4K x 2K @ 60 Hz 4:4:4 and 1080p 3D signals
Supports HDMI 2.0, HDCP 2.2 compatible, and is backward compatible to the earlier versions
Transmits 4K x 2K @ 60 Hz 4:4:4 signal up to 16.4 feet (5 m) via HDMI port
Provides powerful EDID management, built-in EDID can be invoked via DIP switcher on rear panel, RS-232 command or web-based
GUI
Controllable via front panel button, IR, RS-232, 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 rackmounting design
2.3 WHAT’S INCLUDED
Your package should include the following items. If anything is missing or damaged, contact Black Box Technical Support
at 877-877-2269 or [e-mail]
(1) Video Matrix Switcher 8 x 8, HDMI 2.0, 4K 60 Hz 4:4:4, HDR, Audio
(6) screws
(1) RS-232 cable (3-pin to DB9)
(1) IR remote
(2) mounting ears
(4) plastic cushions
(1) IR Receiver
(1) Power Adapter (24 VDC, 2.71 A)

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CHAPTER 2: OVERVIEW
2.4 HARDWARE DESCRIPTION
Figures 2-1 and 2-2 show the front and back panels of the Switcher. Tables 2-1 and 2-2 describe their components.
2.4.1 FRONT PANEL
3
124
4
6
5
1
FIGURE 2-1. FRONT PANEL
TABLE 2-1. FRONT-PANEL COMPONENTS
NUMBER IN
FIGURE 2-1 COMPONENT DESCRIPTION
1 Firmware USB port for firmware upgrading
2 Power LED
• Lights red when power is ON
• Turns green in standby mode
• Blinks red when upgrading
3 IR sensor Built-in IR sensor, receives IR signal sent from IR remote
4 LCD screen Displays real-time operation status
5 (8) INPUT selector buttons Press one of these buttons to switch the input source
6 (8) OUTPUT selector buttons Press one of these buttons to select the output channel

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CHAPTER 2: OVERVIEW
2.4.2 BACK PANEL
3
12 4
FIGURE 2-2. BACK PANEL
TABLE 2-2. BACK-PANEL COMPONENTS
NUMBER IN
FIGURE 2-2 COMPONENT DESCRIPTION
1 Inputs (8) HDMI Input ports connect the HDMI source device
2 Outputs • SPDIF: (8) audio output ports for de-embedded HDMI audio
• HDMI: (8) HDMI Output ports connect to HDMI displays
3 Control=
• EDID: 4-pin EDID DIP switches set EDID data (1 = ON, 0 = OFF)
Refer to EDID Configuration for more details
• RS-232: Serial control port, connect to control device
• IR IN: Connect to external IR receiver to use the IR remote to control the switcher
• TCP/IP: TCP/IP port for unit control
4 24-VDC connector DC barrel connector for the included AC power adapter
5 Ground Connect to ground

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CHAPTER 3: SYSTEM CONNECTION
3.1 USAGE PRECAUTIONS
Verify all components and accessories are included before installation.
System should be installed in a clean environment with proper temperature and humidity.
All of the power switches, plugs, sockets and power cords should be insulated.
All devices should be connected before power on.
3.2 SYSTEM DIAGRAM
The following diagram illustrates typical input and output connections that can be used with the switcher.
IR RECEIVER
LAPTOPROUTER
IR REMOTE
CONTROL
CENTRAL CONTROL
SYSTEM
DVD LAPTOP
PS4 HDTV PROJECTOR SPEAKER
HDMI:
AUDIO:
RS232:
Ethernet:
IR Control:
FIGURE 3-1. TYPICAL APPLICATION

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CHAPTER 3: SYSTEM CONNECTION
3.3 CONNECTION PROCEDURE
STEP 1: Connect HDMI sources (e.g. DVD/PS4/Laptop) to HDMI input ports with HDMI cables.
STEP 2: Connect HDMI displays (e.g. HDTV/Projector) to HDMI output ports with HDMI cables.
STEP 3: Connect speakers/amplifiers to the SPDIF audio outputs with Toslink cables.
STEP 4: Connect the RS-232 ports of the control device (e.g. Central Control System, PC) and the switcher to enable serial control.
STEP 5: Insert an IR receiver to the IR IN port to control this switcher via IR Remote.
STEP 6: Connect the TCP/IP ports of control device (e.g. Laptop) and the switcher to enable TCP/IP control.
STEP 7: Plug a 24-VDC power adapter to the 24-VDC power port.
NOTES:
1. When connecting to HDMI 2.0 sources, make sure the HDMI cable is compliant with HDMI 2.0 to ensure reliable transmission.
2. Connect amplifiers that can decode HDMI audio to the SPDIF ports, or there will be no output on the amplifiers.
3.4 SYSTEM APPLICATIONS
Ideal for use in control and transmission applications, you can use the switcher for monitoring, large screen displays, conference
systems, television education and bank securities institutions, etc.

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CHAPTER 4: PANEL BUTTON CONTROL
4.1 I/O CONNECTION SWITCHING
The front panel features eight input selection buttons and eight output selection buttons for switching the 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 for 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 has a 4-pin EDID DIP switcher to manage EDID. The EDID data and its corresponding DIP switcher status are shown in the
next table.
TABLE 4-1. EDID DATA
DIP SWITCH NUMBER STATUS EDID
ON
On
Off
EDID
DIP
1
1
1
0
234
23 4
0 0000 Passthrough (default)
1 0001 720p 2D passthrough CHo
2 0010 720p 3D passthrough CH
3 0011 1080p 2D passthrough CH
4 0100 1080p 3D passthrough CH
5 0101 4K @ 30 Hz passthrough CH
6 0010 4K @ 30 Hz 2.0 CH
7 0111 4K @ 30 Hz 7.1 CH
8 1000 4K @ 60 Hz 4:2:0 passthrough CH
9 1001 4K @ 60 Hz 4:2:0 7.1 CH
10 1010 4K @ 60 Hz 4:4:4 passthrough CH
11 1011 4K @ 60 Hz 4:4:4 7.1 CH
– 1111 Enable Software EDID management mode: RS-232
control or Web-based GUI control
4.3 I/O CONNECTION INQUIRY
Press OUTPUT 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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CHAPTER 5: IR CONTROL
The Matrix Switcher features one built-in IR receiver to receive an IR signal from an IR remote to enable IR control. If the external IR
receiver or other IR control device needs to be used, the IR IN port on rear panel can be connected.
1. Standby button: Press to enter/exit standby mode.
2. INPUTS: Input channel selection buttons, same with the corresponding front panel buttons.
3. OUTPUTS: Output channel selection buttons, same with the corresponding front panel buttons.
4. Menu buttons:
• ALL: Select all inputs/outputs.
To convert an input to all outputs:
Example: Input 1 to all Outputs:
—>Press INPUTS 1 + ALL + ENTER
• EDID management button:
1. One input port learns the EDID data from one output port.
Example: Input 2 learns EDID data from output 4:
—> Press EDID + INPUTS 2 + OUTPUTS 4+ ENTER
2. All input ports learn EDID data from one output port.
Example: All input ports learn EDID data from output 3:
—> Press EDID + ALL + OUTPUTS 3 + ENTER
• CLEAR: Withdraw button.
• ENTER: Confirm operation.
FIGURE 5-1. IR REMOTE CONTROL
1
2
3
4

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CHAPTER 6: RS-232 CONTROL
6.1 INSTALLATION/UNINSTALLATION OF RS-232 CONTROL SOFTWARE
Installation: Copy the control software file to the computer connected with the splitter.
Uninstallation: Delete all the control software files in corresponding file path.
6.2 BASIC SETTINGS
Connect the splitter to the necessary input devices and output devices. Then, connect it with a PC installed RS-232 control
software. Double-click the software icon to run this software.
Here we show an example using the software CommWatch.exe. The icon is shown next.
FIGURE 6-1. COMMWATCH ICON
The interface of the control software is shown next.
FIGURE 6-2. CONTROL INTERFACE
Set the parameters (baud rate = 9600, data bit = 8, stop bit = 1 and parity bit = none) correctly to ensure reliable RS-232 control.

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CHAPTER 6: RS-232 CONTROL
6.3 RS-232 COMMUNICATION COMMANDS
Case-sensitive
“[“, “]”in the commands are for easy recognition only and not necessary in real operations. Other symbols including “.”, “,”, “/”, “%”, “;”,
“^”.are parts of the commands
Feedback listed in the column “Feedback Example” are only for reference, feedback may vary according to different operations
Dial the EDID switcher to “1111”before sending commands pertaining to software EDID management (with gray background)
Baud rate: 9600
Data bit: 8
Stop bit: 1
Parity bit: None
6.3.1 SYSTEM COMMANDS
TABLE 6-1. SYSTEM COMMANDS
COMMAND FUNCTION FEEDBACK EXAMPLE
/*Ty pe; Query the model AVS-HDMI2-8X8
/^Version; Query the version of firmware VX.X.X
Dem o. 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.
EDID: Demo Mode
AV:01->01
AV:01->02
AV:01->03
AV:01->04
AV:02->01
…
Normal Mode
Undo. To cancel the current operation Undo Ok!
PWON. Work in normal mode PWON
P W O F F. Enter into standby mode, send the “PWON.” to start PWOFF
S T A N D B Y. Enter into standby mode, press other buttons or send other commands to start STANDBY
%9962. Query the power status STANDBY/PWOFF/PWON
%9964. Query the IP address IP:XXX.XXX.X.XXX
%0911. Reset to factory default Factory Default

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CHAPTER 6: RS-232 CONTROL
6.3.2 LOCK/UNLOCK COMMANDS
TABLE 6-2. LOCK/UNLOCK COMMANDS
COMMAND FUNCTION FEEDBACK EXAMPLE
/%Lock; Lock the front panel buttons System Locked!
/%Unlock; Unlock the front panel buttons System Unlock!
%9961. Query the system locking status System Locked/Unlock!
6.3.3 SWITCHING COMMANDS
TABLE 6-3. SWITCHING COMMANDS
COMMAND FUNCTION FEEDBACK EXAMPLE
[x]All. Transfer signals from the input channel [x] to all output channels. (x=1–8) 02 To All.
All#. Transfer all input signals to the corresponding output channels respectively like 1->1, 2->2… All Through.
All$. Switch off all the output channels. All Closed.
[x]#. Transfer signals from the input channel [x] to the output channel [x]. (x=1–8) 04 Through.
[x]$. Switch off the output channel [x]. (x=1–8) 02 Closed.
[x]@. Switch on the output channel [x]. (x=1–8) 02 Open.
All@. Switch on all output channels.
All Open.
Out 01 02 03 04
In 01 01 01 01
Out 05 06 07 08
In 01 01 01 01
[x1]V[x2]. Switch the input channel [x1] to one or several output channels ([x2], separate output
channels with comma). (x1/x2=01–08) AV: X1-> X2 (AV: 02-> 04)
Status[x]. Query the I/O connection status of output [x]. (x=1–8, y=1–8) AV: Y-> X (AV: 04-> 02 )
Status. Query the input channel to the output channels one by one.
AV:01->01
AV:01->02
AV:01->03
AV:01->04
AV:01->05
AV:01->06
AV:01->07
AV:01->08
%9971. Query the connection status of the inputs
In 01 02 03 04
Connect Y N Y Y
In 05 06 07 08
Connect Y Y Y N

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CHAPTER 6: RS-232 CONTROL
TABLE 6-3 (CONTINUED). SWITCHING COMMANDS
COMMAND FUNCTION FEEDBACK EXAMPLE
%9972. Query the connection status of the outputs.
Out 01 02 03 04
Connect Y Y Y Y
Out 05 06 07 08
Connect Y Y Y Y
%9975. Query the I/O connection status.
Out 01 02 03 04
In 03 03 03 03
Out 05 06 07 08
In 03 03 03 03
%9976. Query the output resolution.
Resolution
Out 1 3840x2160P
Out 2 3840x2160P
Out 3 3840x2160P
Out 4 3840x2160P
Out 5 3840x2160P
Out 6 3840x2160P
Out 7 3840x2160P
Out 8 3840x2160P
6.3.4 SCENE COMMANDS
TABLE 6-4. SCENE COMMANDS
COMMAND FUNCTION FEEDBACK EXAMPLE
S a v e [Y]. Save the present operation to the preset command [Y], ranges from 1 to 10. Save To F6
R e c a l l[Y]. Recall the preset command [Y]. Recall From F2
C l e a r[Y]. Clear the preset command [Y]. Clear F8

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CHAPTER 6: RS-232 CONTROL
6.3.5 HDCP COMPLIANCE
TABLE 6-5. HDCP COMPLIANCE COMMANDS
COMMAND FUNCTION FEEDBACK EXAMPLE
/%[Y]/[X ]:[Z ]
HDCP management command.
Y=O is for output;
X=1–8 is the number of the port, if the
X=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].
%0801. Auto HDCP management, activate carrier native mode %0801
%9973. Query the HDCP status of the input signals. In 01 02 03 04: HDCP Y N Y N
In 05 06 07 08: HDCP Y Y Y N
%9974. Query the HDCP status of the output signals. Out 01 02 03 04: HDCP Y Y Y Y
Out 05 06 07 08: HDCP Y Y Y Y!
6.3.6 EDID CONFIGURATION
The DIP switch status should be set as 1111 to enable Software EDID management mode: RS-232 control or Web-based GUI
control.
TABLE 6-6. EDID CONFIGURATION COMMANDS
COMMAND FUNCTION FEEDBACK EXAMPLE
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 the EDID data is not available, then set it as initialized EDID
data.
EDIDH[x]B[y]
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 for each input. EDIDMInit.
E D I D M [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]
E D I D /[x]/[ y]. Set the EDID data of input port [x] to built-in EDID No. [y]. [y]=0–11, correspond to the 12
embedded EDID data separately EDID/[x]/[y]
EDIDUpgrade[x].
Switch Upgrade EDID data via the RS232 port. X represents the input port, and x=9
represents 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 send the EDID
file EDID Upgrade OK!
GetInPortEDID [X] Get the EDID data of input [x], [x]=1–8
%9979. Get the DIP switch status EDID RS232 GUI
CONTROL 1111

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CHAPTER 6: RS-232 CONTROL
6.3.7 ENABLE/DISABLE DIGITAL AUDIO
TABLE 6-7. ENABLE/DISABLE DIGITAL AUDIO COMMANDS
COMMAND FUNCTION FEEDBACK EXAMPLE
DigitAudioON[x].
Enable SPDIF audio output port x.
• X=1-8, enable the port x.
• X=9, enable all ports.
DigitAudio ON with [x]/ALL Outputs
DigitAudioOFF [x].
Disable SPDIF audio output port x.
• X=1-8, disable the port x.
• X=9, disable all ports.
DigitAudio OFF with [x]/ ALL Outputs
% 9 9 7 7. Query the status of digital audio of output channels.
Out 01 02 03 04
Audio Y Y Y Y
Out 05 06 07 08
Audio Y Y Y Y

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CHAPTER 7: TCP/IP CONTROL
7.1 CONTROL MODES
TCP/IP default settings: IP is 192.168.0.178, Gateway is 192.168.0.1, and Serial Port is 4001. IP can be changed as needed, Serial
Port cannot be changed.
Controlled by single PC: Connect a computer to the TCP/IP port of the switcher, and set its network segment to the same as the
default IP of the switcher (192.168.0.178).
FIGURE 7-1. MODIFY THE IP OF PC
Controlled by PC(s) in LAN: The switcher can be connected with a router to make up a LAN with the PC(s); this makes it able to be
controlled in a LAN. Just make sure the switcher’s network segment is the same as the router. Connect as shown in the following
figure for LAN control.

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CHAPTER 7: TCP/IP CONTROL
PC
TCP/IP PORT
WIRELESS ROUTER
CAT5e
Internet
PC
FIGURE 7-2. CONNECT TO LAN
STEP 1: Connect the TCP/IP port of the Switcher to the Ethernet port of the PC with twisted pair.
STEP 2: Set the PC’s network segment to the same as the the Switcher. Remember the PC’s original network segment.
STEP 3: Set the Switcher’s network segment to the same as the router.
STEP 4: Set the PC’s network segment to the original one.
STEP 5: Connect the Switcher and PC(s) to the router. In the same LAN, each PC is able to control the Switcher asynchronously.
Then it’s able to control the device via TCP/IP communication software.