Black Box AVS404-H User manual

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User Manual
Switch four or eight HDMI 2.0 and HDCP 2.2 compliant signals.
Video Matrix Switcher - 4K, HDMI, Audio, 4 x 4 or 8 x 8
AVS404 -H
AVS808 -H

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Trademarks Used in this Manual
Trademarks Used in this Manual
Black Box and the Double Diamond logo are registered trademarks of
BB Technologies, Inc.
Any other trademarks mentioned in this manual are acknowledged to be
the property of the trademark owners.

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FCC and IC RFI Statements/NOM Statement
FEDERAL COMMUNICATIONS COMMISSION AND
INDUSTRY CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS
Class B Digital Device. This equipment has been tested and found to comply with
the limits for a Class B computing device pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful
interference in a residential installation. However, there is no guarantee that
interference will not occur in a particular installation. 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. If this equipment does cause harmful interference to radio or
telephone reception, which can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult an experienced radio/TV technician for help.
Caution:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
To meet FCC requirements, shielded cables and power cords are required to connect
this device to a personal computer or other Class B certified device.
This digital apparatus does not exceed the Class B limits for radio noise emission from
digital apparatus set out in the Radio Interference Regulation of Industry Canada.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les
limites applicables aux appareils numériques de classe B prescrites dans le Règlement
sur le brouillage radioélectrique publié par Industrie Canada.

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NOM Statement
Normas Oficiales Mexicanas (NOM)
Electrical Safety Statement
INSTRUCCIONES DE SEGURIDAD
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes
de que el aparato eléctrico sea operado.
2. Las instrucciones de seguridad y operación deberán ser guardadas para
referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de
operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo,
cerca de la tina de baño, lavabo, sótano mojado o cerca de una alberca,
etc..
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales
que sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea
recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá
lo descrito en las instrucciones de operación. Todo otro servicio deberá ser
referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no
interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,
alfombra o superficie similar puede bloquea la ventilación, no se debe
colocar en libreros o gabinetes que impidan el flujo de aire por los orificios
de ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor
como radiadores, registros de calor, estufas u otros aparatos (incluyendo
amplificadores) que producen calor.
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del
tipo descrito en el instructivo de operación, o como se indique en el
aparato.

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NOM Statement
12. Precaución debe ser tomada de tal manera que la tierra fisica y la
polarización del equipo no sea eliminada.
13. Los cables de la fuente de poder deben ser guiados de tal manera que no
sean pisados ni pellizcados por objetos colocados sobre o contra ellos,
poniendo particular atención a los contactos y receptáculos donde salen
del aparato.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las
recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las
lineas de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo no sea
usado por un largo periodo de tiempo.
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean
derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en su
desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.

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Safety Precautions
Safety Precautions
WARNINGS:
• Do not dismantle the housing or modify the module. It may result in electrical
shock or burn!
• To prevent fire or shock hazard, do not expose the unit to rain or moisture, or install
this product near water.
• Do not remove the housing of the device. Opening or removing housing may ex-
pose you to dangerous voltage or other hazards.
• 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 immedi-
ately.
CAUTIONS:
• 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.
• Using supplies or parts that do not meet the products’ specifications may cause
damage, deterioration, or malfunction.
• Refer all servicing to qualified service personnel.
• Do not place any heavy items on the extension cable.
• Install the device in a place that is properly ventilated to avoid damage caused by
overheating.
• Keep the module away from liquids.
• Do not twist or pull by force ends of the optical cable. It can cause the unit to mal-
function.
• 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 the device is 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 devices as normal electrical wastes.

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Table of Contents
Table of Contents
1. Specifications ..............................................................................................8
2. Overview ....................................................................................................10
2.1 Introduction ....................................................................................10
2.2 Features ..........................................................................................10
2.3 What's Included..............................................................................10
2.4 Hardware Description .....................................................................12
2.4.1 Video Matrix Switcher - 4K, HDMI, Audio, 4 x 4
(AVS404-H) ........................................................................... 12
2.4.2 Video Matrix Switcher - 4K, HDMI, Audio, 8 x 8
(AVS808-H)............................................................................14
3. Installation..................................................................................................16
3.1 Usage Precautions...........................................................................16
3.2 Connection Diagrams .....................................................................16
3.3 Connection Procedure ....................................................................16
3.4 System Applications........................................................................17
4. Operation...................................................................................................18
4.1 IR Control........................................................................................18
4.2 RS-232 Control ...............................................................................19
4.2.1 Installing/Uninstalling the RS-232 Control Software ..............19
4.2.2 Basic Settings.........................................................................19
4.2.3 RS-232 Communication Commands......................................19
4.3 TCP/IP Control.................................................................................26
4.3.1 Control Modes.......................................................................26
4.3.2 Control the Switcher via TCP/IP Communications Software ..28
4.3.3 Control the Switcher via Web-Based GUI ..............................28
4.3.4 TCP/IP Configuration .............................................................39
4.3.5 GUI Update ...........................................................................39
4.4 Hardware EDID Management.........................................................40
4.5 Firmware Upgrade through USB Port .............................................41
5. Troubleshooting and Maintenance.............................................................43
5.1 Problems/Causes/Solutions .............................................................43
5.2 Contacting Black Box......................................................................47
5.3 Shipping and Packaging..................................................................47

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Chapter 1: Specifications
1. Specifications
Approvals
Standards HDCP 2.2, HDCP 1.4
Environmental
Operating Temperature 32 to 122° F (0 to 50° C)
Operating Humidity 10 to 90%
General
Audio Signal Dolby Digital, DTS, DTS-HD
EDID Management Built-in EDID data and manual EDID management
Resolution (Maximum) 4K x 2K, 1080p 3D
Transmission Distance 4K x 2K @ 60 Hz, < or = to 48 ft. (15 m)
Hardware
Connectors AVS404-H:
Input:
(4) HDMI Type A female,
Output:
(4) HDMI Type A female,
(4) 3.5-mm RCA (SPDIF audio),
Control Ports:
(1) 3.5-mm jack (IR IN),
(1) RJ-45 female (TCP/IP),
(1) 3-pin pluggable terminal block (RS-232);
AVS808-H:
Input:
(8) HDMI Type A female,
Output:
(8) HDMI Type A female,
(8) 3.5-mm RCA (SPDIF audio),
Control Ports:
(1) 3.5-mm jack (IR IN),
(1) RJ-45 female (TCP/IP),
(1) 3-pin pluggable terminal block (RS-232)
Dimensions 1.7"H x 17.2"W x 9.3"D (4.4 x 43.7 x 23.5 cm)
Weight AVS404-H: 3.89 lb. (1.77 kg);
AVS808-H: 4.31 lb. (1.96 kg)

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Chapter 1: Specifications
Power
AVS404-H Power Supply: 12 VDC, 2 A,
Consumption: 13.3 W (full load), 4.4 W (standby)
AVS808-H Power Supply: 24 VDC, 2.5 A,
Consumption: 32 W (full load), 2.2 W (standby)
Supported Resolutions
Display Ratio Resolutions
4K 4096x2160 (30,50,60 Hz), 3840x2160 (24,25,30 50 60 Hz)
21:9 2560x1080 (60Hz)
16:9 1920x1080(1080P 3D), 1600x900, 1366x768, 1280x720,
1024x576 (60Hz)
16:10 1920x1200, 1680x1050, 1440x900, 1360x768,1 280x800
(60Hz)
4:3 1600x1200, 1400x1050, 1280x1204, 1024x768, 800x600,
640x480 (60Hz)

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Chapter 2: Overview
2. Overview
2.1 Introduction
The Video Matrix Switcher - 4K, HDMI, Audio, 4 x 4 or 8 x 8 is a professional HDMI
Matrix Switcher that can switch four or eight HDMI 2.0 and HDCP 2.2 compliant
signals. It provides four or eight auxiliary audio ports for unembedded HDMI audio
output. It also uses powerful EDID management to ensure reliable AV distribution and
routing.
You can control the unit via front panel buttons, IR, RS-232, or TCP/IP (optional).
2.2 Features
• 4 x 4 or 8 x 8 HDMI matrix with four or eight unembedded HDMI audio ports;
• HDMI ports support HDMI 2.0 and signals up to 4K x 2K @ 60 Hz* and 1080p 3D,
comply with lower HDMI standards, and are HDCP 2.2 compatible.
*NOTE: This is limited to 4:2:0 in 4K x 2K @60 Hz.
• Transmit 4K x 2K @ 60 Hz signal up to 48 feet (15 m);
• SPDIF ports provide unembedded HDMI audio output;
• Uses powerful EDID management;
• Controllable via front panel button, IR, RS-232, and TCP/IP;
• LCD screen shows real-time I/O connection status;
• You can upgrade firmware through a Micro USB port;
• Installs in a rack.
2.3 What’s Included
Your package should include the following items. If anything is missing or damaged,
Your package should contain the following items. If anything is missing or damaged,
contact Black Box Technical Support at 877-877-2269 or [e-mail].
Your package should contain the following items. If anything is missing or damaged,
contact Black Box Technical Support at 877-877-2269 or [e-mail].

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Chapter 2: Overview
AVS404-H:
• Video Matrix Switcher - 4K, HDMI, Audio, 4 x 4
• (6) screws
• (1) IR receiver
• (1) IR remote
• (2) mounting ears for rackmounting
• (1) terminal block to DB9 cable
• (1) 12-VDC, 2-A power adapter with US, UK, AU, amd EU clips
• (4) rubber feet for desktop mounting
• This user manual
AVS808-H:
• Video Matrix Switcher - 4K, HDMI, Audio, 8 x 8
• (6) screws
• (1) IR receiver
• (1) power cord
• (1) IR remote
• (2) mounting ears for rackmounting
• (1) terminal block to DB9 cable
• (1) 24-VDC, 2.5-A power adapter
• (4) rubber feet for desktop mounting
• This user manual
To download this user manual from our Web site:
1. Go to www.blackbox.com
2. Enter the part number (AVS404-H or AVS808-H) in the search box:
3. Click on the “Resources” tab on the product page, and select the document you
wish to download.
If you have any trouble accessing the Black Box site to download the manual, you can
contact our Technical Support at 877-877-2269 or [e-mail].

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Chapter 2: Overview
2.4 Hardware Description
2.4.1 Video Matrix Switcher - 4K, HDMI, Audio, 4 x 4 (AVS404-H)
Figures 2-1 and 2-2 show the front and back panels of the AVS404-H. Tables 2-1 and
2-2 describe its components.
1 2 3
4
Figure 2-1. Front panel (AVS404-H).
Table 2-1. Front panel components (AVS404-H).
Number in
Figure 2-1
Component Description
1Power indicator Lights red when power is on;
Lights green in standby mode;
Blinks red when upgrading
2LCD screen Displays real-time operation status
3Output selection
buttons
Press these buttons to select their
corresponding output ports (cycles through
ports 1–4)
4Power button Press to power the switcher on/off.

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Chapter 2: Overview
1 2 3 4 5 6 7 8 9 10
Figure 2-2. Back panel (AVS404-H).
Table 2-2. Back panel components (AVS404-H).
Number in
Figure 2-2
Component Description
1(4) HDMI input
ports
Connect to HDMI sources.
2(4) 3.5-mm RCA
(SPDIF audio)
output ports
Used for unembedded HDMI audio.
3(4) HDMI output
ports
Connect to HDMI displays.
4Micro USB port Used to upgrade firmware
54-position DIP
Switch
Used to set EDID data: “1” stands for “ON,”
“0” stands for “OFF” See Section 4.4 for
more details.
63-pin pluggable
terminal block
This RS-232 serial port connects to a control
device
7IR IN Input port for IR control signal,
connects to an IR receiver.
8RJ-45 port RJ-45 port:TCP/IP port for unit control
9Power connector Connects to 12-VDC, 2-A power adapter.
10 Ground Connects to ground.

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Chapter 2: Overview
2.4.2 Video Matrix Switcher - 4K, HDMI, Audio, 8 x 8 (AVS808-H)
Figure 2-3 shows the front and back panels of the AVS808-H. Table 2-3 describes its
components.
1 2 3
4
Figure 2-3. Front panel (AVS808-H).
Table 2-3. Front panel components (AVS808-H).
Number in
Figure 2-3
Component Description
1Power indicator Lights red when power is on;
Lights green in standby mode;
Blinks red when upgrading
2LCD screen Displays real-time operation status
3Output selection
buttons
Press these buttons to select their
corresponding output ports (cycles through
ports 1–8)
4Power button Press to power the switcher on/off.

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Chapter 2: Overview
7 8 9 10
1 2 3 4 5 6
Figure 2-4. Back panel (AVS808-H).
Table 2-4. Back panel components (AVS808-H).
Number in
Figure 2-4
Component Description
1RJ-45 port RJ-45 port:TCP/IP port for unit control
2IR IN Input port for IR control signal,
connects to an IR receiver.
33-pin pluggable
terminal block
This RS-232 serial port connects to a control
device
44-position DIP
Switch
Used to set EDID data: “1” stands for “ON,”
“0” stands for “OFF” See Section 4.4 for
more details.
5Micro USB port Used to upgrade firmware.
6(8) 3.5-mm RCA
(SPDIF audio)
output ports
Used for unembedded HDMI audio.
7(8) HDMI input
ports
Connect to HDMI sources.
8(8) HDMI output
ports
Connect to HDMI displays.
9Power connector Connects to 24-VDC 2.5-A power adapter.
10 Ground Connects to ground.

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Chapter 3: Installation
3. Installation
3.1 Usage Precautions
1. Install the system in a clean environment with proper temperature and humidity.
2. Make sure that all of the power switches, plugs, sockets, and power cords are insu-
lated.
3. Connect all devices before powering on.
3.2 Connection Diagram
Figure 3-1. Connection diagram.
3.3 Connection Procedure
1. Connect HDMI sources (e.g., DVD) to HDMI INPUTs with HDMI cables.
2. Connect HDMI displays (e.g., HDTV) to HDMI OUTPUTs with HDMI cables.
3. Connect speakers/ amplifiers to the AUDIO OUTPUTs with audio cables.
4. Connect the RS-232 ports of control device (e.g., a PC) and Video Matrix Switcher to
enable serial control.

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Chapter 3: Installation
5. Connect the TCP/IP ports of control device (e.g., a PC) and Video Matrix Switcher to
enable IP control.
6. Insert an IR receiver to the IR IN port to enable IR control.
7. Plug a 12-VDC power adapter to the power port of Video Matrix Switcher.
8. Connect amplifiers that can decode HDMI audio to the SPDIF ports, or there will be
no output on the amplifiers.
3.4 System Applicatiions
Use the Video Matrix Switcher for computer monitoring, large screen displays,
conference systems, television, education, and banks, etc.

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Chapter 4: Operation
4. Operation
4.1 IR Control
Connect an IR receiver to the IR IN port of the switcher, users can control it through the
included IR remote. Here is a brief introduction to the IR remote:
Figure 4-1. IR Remote.
Table 4-1. IR remote components.
Number in
Figure 4-1
Component Description
1Standby Enter/ exit standby mode
2Inputs Buttons for input selection
3Outputs Buttons for output selection
NOTE: I/O Switch Format: INPUT + OUTPUT.

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Chapter 4: Operation
4.2 RS-232 Control
4.2.1 Installing/Uninstalling RS-232 Control Software
• Installation: Copy the control software file to the computer connected to the Video
Matrix Switcher.
• Uninstallation: Delete all the control software files in the corresponding file path.
4.2.2 Basic Settings
1. Connect the Video Matrix Switcher to the input devices and output devices.
2. Connect the switcher to a PC that has RS-232 control software installed. Double-click
the software icon to run this software.
4. Set the parameters (baud rate, data bit, stop bit and parity bit) correctly to ensure
reliable RS-232 control.
4.2.3 RS-232 Communication Commands
NOTE: The RS-232 communication commands are case-sensitive.
NOTE: “[“, “]” 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 for different operations.
Dial the EDID switcher to “1111” before sending commands pertaining to software
EDID management (with gray background).
Baud rate: 9600
Data bits: 8
Stop bits: 1
Parity bits: None

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Chapter 4: Operation
Table 4-2. RS-232 communication commands.
System Commands
Command Function Feedback Example
/%Lock; Lock the front panel buttons. System Locked!
/%Unlock; Unlock the front panel buttons. System Unlocked!
/^Version; Inquire about the firmware version VX.X.X
/:MessageOff; Turn off command feedback from
the com port. It will only show
simple words like “SWITCH OK!”.
/:MessageOff;
/:MessageOn; Turn on command feedback from
the com port.
/:MessageOn;
/:FeedbackON; Enable command feedback on LCD
monitor on the front panel
(default).
/:FeedbackON;
/:FeedbackOFF; Disable command feedback on
LCD monitor on the front panel
(default).
/:FeedbackOFF;