Black Box ACX300-R2 User manual

24/7 TECHNICAL SUPPORT AT 1.877.877.2269 OR VISIT BLACKBOX.COM
CATX DVI +
USB KVM
EXTENDER EC
ACX300-R2
USER MANUAL
Power/Status
ServSwitch CATx DVI + USB Extender EC
BLACK BOX DIGITAL KVM EXTENSION
Power/Status
ServSwitch CATx DVI + USB Extender EC
BLACK BOX DIGITAL KVM EXTENSION
Power/Status
ServSwitch CATx DVI + USB Extender EC
BLACK BOX DIGITAL KVM EXTENSION
Power/Status
ServSwitch CATx DVI + USB Extender EC
BLACK BOX DIGITAL KVM EXTENSION
Power/Status
ServSwitch CATx DVI + USB Extender EC
BLACK BOX DIGITAL KVM EXTENSION
Power/Status
ServSwitch CATx DVI + USB Extender EC
BLACK BOX DIGITAL KVM EXTENSION

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TABLE OF CONTENTS
SAFETY INSTRUCTIONS .................................................................................................................................................................. 4
1. SPECIFICATIONS........................................................................................................................................................................... 5
2. OVERVIEW...................................................................................................................................................................................... 6
2.1 Introduction...............................................................................................................................................................................................6
2.2 Intended Use.............................................................................................................................................................................................6
2.3 What’s Included........................................................................................................................................................................................6
2.4 Hardware Description..............................................................................................................................................................................6
2.4.1 Local Extender ....................................................................................................................................................................................................6
2.4.2 Remote Extender ...............................................................................................................................................................................................8
2.4.3 LED Indicators ....................................................................................................................................................................................................9
3. INSTALL ATION ............................................................................................................................................................................ 10
3.1 Mounting Options...................................................................................................................................................................................10
3.1.1 Mounting Pads and Rubber Feet...................................................................................................................................................................10
3.1.2 Mounting KIts (Optional).................................................................................................................................................................................10
3.2 Installing the Extender...........................................................................................................................................................................10
3.3 Startup ....................................................................................................................................................................................................12
3.4 Removing a CATx Cable.........................................................................................................................................................................12
4. EXTENDER MENU/SETTINGS.................................................................................................................................................... 13
4.1 Access the Main Menu...........................................................................................................................................................................13
4.2 Status Menu ...........................................................................................................................................................................................13
4.3 Determine the Current Firmware Version ............................................................................................................................................14
4.4 Perform a Firmware Upgrade................................................................................................................................................................14
4.5 Unlock an Option....................................................................................................................................................................................14
4.6 Enable or Disable the USB Menu Option ..............................................................................................................................................16
4.7 Define What DDC Information is Used by the PC ................................................................................................................................17
4.8 Change the Network Settings ...............................................................................................................................................................17
4.9 Change the Extender Settings ..............................................................................................................................................................18
4.9.1 Enable or Disable the USB Compatibility Mode .........................................................................................................................................19
4.9.2 Show the Last Received Image.....................................................................................................................................................................20
4.9.3 Turn ON or OFF Monitor Synchronization...................................................................................................................................................21
4.9.4 Lock the Main Menu ........................................................................................................................................................................................21
4.9.5 Use the Power Saving Mode..........................................................................................................................................................................22
4.9.6 Select Your Type of Keyboard........................................................................................................................................................................23
4.9.7 Change the Keyboard Fallback Mode ..........................................................................................................................................................23
4.9.8 Change Keyboard Shortcuts..........................................................................................................................................................................24
4.9.9 Close the Extender Settings Menu ...............................................................................................................................................................25
4.10 Switch Between Different Computers ...............................................................................................................................................25
4.11 Share Videos.........................................................................................................................................................................................25

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TABLE OF CONTENTS
5. NETWORK SETTINGS ................................................................................................................................................................. 27
5.1 Access the Network Settings Menu (Master View and Network Mode)...........................................................................................27
5.2 Force Disconnect or Select a Workstation from the Current Connected Devices...........................................................................28
5.3 Manage User Details, Rights and Groups ............................................................................................................................................30
5.4 View the Status of All Remote Units.....................................................................................................................................................32
5.5 View the Status of All Local Units.........................................................................................................................................................33
5.6 Set Up Dual-Head or Multi-Head Systems...........................................................................................................................................34
5.7 Enable User Groups and Rights and Login Access .............................................................................................................................36
5.8 Auto-Connect to a Free Computer After an Interruption....................................................................................................................37
5.9 Set Up a Private Connection..................................................................................................................................................................38
5.10 Enable the User PC Binding Mode ......................................................................................................................................................38
5.11 Enable the Disconnect on PC Power Down Option............................................................................................................................39
5.12 Hide Info Display...................................................................................................................................................................................39
5.13 Reconnect on Startup ..........................................................................................................................................................................40
5.14 Video Sharing........................................................................................................................................................................................40
5.15 Set the Password Timeout ..................................................................................................................................................................41
6. MAINTENANCE AND CARE ........................................................................................................................................................ 42
7. TROUBLESHOOTING................................................................................................................................................................... 43
8. DISPOSAL .................................................................................................................................................................................... 44
9. TECHNICAL SUPPORT................................................................................................................................................................ 45
9.1 Contacting Black Box Technical Support .............................................................................................................................................45
9.2 Shipping and Packaging ........................................................................................................................................................................45
APPENDIX A. REQUIREMENTS FOR CAT5/6/7 CABLES.............................................................................................................. 46
APPENDIX B. REQUIREMENTS FOR A NETWORK SWITCH ........................................................................................................ 47
APPENDIX C. REGULATORY INFORMATION ................................................................................................................................ 48
C.1 FCC Information .....................................................................................................................................................................................48
C.2 NOM Statement .....................................................................................................................................................................................49
APPENDIX D. DISCLAIMER/TRADEMARKS ................................................................................................................................. 50
D.1 Disclaimer ...............................................................................................................................................................................................50
D.2 Trademarks Used in this Manual..........................................................................................................................................................50

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SAFETY INSTRUCTIONS
WARNING! Read and understand all safety instructions.
Follow all the instructions. This will avoid accidents, fire, explosions, electric shocks or other hazards that may result in damage to
property and/or severe or fatal injuries. Please ensure that everyone who uses the product has read and followed these warnings
and instructions.
Keep all safety information and instructions for future reference and pass them on to subsequent users of the product.
The manufacturer is not liable for cases of material damage or personal injury caused by incorrect handling or non-compliance with
the safety instructions. In such cases, the warranty will be voided.
This product is not intended for use by persons (including children) with restricted physical, sensory or intellectual capability or lack
of experience and/or knowledge, unless they are supervised by a person who is responsible for their safety or provides them with
instructions on how to use the product.
DANGER! Not for use in potentially explosive environments.
DANGER! Be vigilant at all times, and always take care around this product. Do not use electrical equipment if you are lacking in
concentration or awareness, or are under the influence of drugs, alcohol or medication. Even a moment of inattentiveness can lead
to serious accidents and injuries when using electrical equipment. Check the product and the cables for any damage before use.
If there is any visible damage, a strong odor, or excessive overheating of components unplug all the connections immediately
and stop using the product.
If the product is not installed and used in accordance with this manual, it may cause disruptive interference with radio or television
reception or affect other electronic products in residential areas.
Use shielded cables only to connect the components in order to avoid such interference. Non-compliance invalidates the
permission to operate this product.
Only the adapter included with the product should be used as the power supply. Do not use other adapters.
Prior to connecting to the power, make sure your local voltage matches the rating indicated on the product.
The product must be connected to a permanent and grounded AC wall socket.
Protect cables from being strained, pinched or buckled and place them in a way to prevent people from tripping over the cord.
In particular, ensure to avoid damage to the main power adapter:
Use the product with a suitable, properly installed and easily accessible main power socket. Make sure the product can be
disconnected from the power socket at all times.
Unplug the product during electrical storms or when not in use.
DANGER! Never touch the adapter with wet hands.
Use the product within the specified performance limits.
Keep the product away from flammable materials such as curtains and drapes.
•Protect the main power adapter from use by third parties (particularly children). Keep the unused main power adapter in a dry,
elevated or locked location away from children.
Do not place the product near heaters.
Do not drop or hit the product.
Unplug all connections before cleaning the product. Do not use wipes or chemicals as these could damage the surface. Wipe the
housing with a damp cloth. Electrical/ electronic parts must not be cleaned.
Alterations to the product and technical modifications are not permitted.

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CHAPTER 1: SPECIFICATIONS
TABLE 1-1. SPECIFICATIONS
SPECIFICATION DESCRIPTION
Approvals CE, FCC, RoHS2
Connectors
Local Extender:
(1) DVI for Monitor Out,
(1) DVI for PC In,
(1) USB Type B connector for PC,
(1) RJ-45 socket for CAT5/6/7 interconnect cable,
(1) barrel connector for DC power;
Remote Extender:
(1) DVI connector for Monitor Out,
(4) USB Type A connectors for keyboard, mouse and other Human Interface Devices (HIDs),
(1) RJ-45 socket for CAT5/6/7 interconnect cable,
(1) barrel connector for DC power
Indicators Each unit: (1) Power LED
Power
Input: 100 to 240 VAC, 50/60 Hz;
Output: Each unit: (1) 12-VDC, 1-A power supply;
Per unit: 5 W (excluding attached USB devices)
Enclosure Anodized aluminum
Environmental
Temperature Tolerance:
Operating: 32 to 140° F (0 to 60° C),
Storage: -13 to +140 F ( -25 to +60° C);
Humidity Tolerance:
Operating: Max. 80%, noncondensing,
Storage: Max. 80%, noncondensing
MTBF 82,820 hours (9.5 years)
Dimensions Each unit: 1.6"H x 4.2"W x 3.9"D (4.1 x 10.6 x 9.8 cm)
Weight Per Local and Remote Extender Set: 1.2 lb. (0.54 kg)

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CHAPTER 2: OVERVIEW
2.1 OVERVIEW
The ACX300-R2 KVM Extender increases the distance that a keyboard, monitor and mouse can be placed from a computer.
This product is intended for professional use. The product should not be used in potentially explosive environments.
2.2 INTENDED USE
The extender may only be used according to the instructions as described in this manual. All use, other than that described in this
manual, is seen as unintended use. Modifications in the course of technological progress are reserved. In these user instructions
the ACX300-R2 KVM Extender is referred to as an extender. The Local Extender is referred to as the local unit and the Remote
Extender is referred to as the remote unit.
2.3 WHAT’S INCLUDED
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]
• (1) Transmitter • (1) Receiver
• (1) HDMI to DVI-D cable • (1) 12-VDC Power Supply w/ US, UK, EU and AU power clip
• (1) USB Type A to B cable • (1) pack of 4 rubber feet
• (1) 12-VDC Power Supply w/ US, UK, EU and AU power clips • (1) pack of self adhesive velcro strips
• (1) pack of 4 rubber feet
• (1) pack of self adhesive velcro strips
2.4 HARDWARE DESCRIPTION
2.4.1 LOCAL EXTENDER
Figures 2-1 and 2-2 show the front and back panels of the Local Extender. Table 2-1 describes its components.
1
FIGURE 2-1. FRONT PANEL OF THE LOCAL EXTENDER

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CHAPTER 2: OVERVIEW
2 3 4 5 6 7 8
FIGURE 2-2. BACK PANEL OF THE LOCAL EXTENDER
TABLE 2-1. LOCAL EXTENDER COMPONENTS
NUMBER IN FIGURES 2-1 AND 2-2 COMPONENT DESCRIPTION
1 (1) Power/Status LED Displays the status of the extender (See Table 2-3)
2 (1) DVI monitor OUT Connects to monitor
3 (1) barrel connector for DC power Connects to 12-VDC power supply
4(1) DVI connector Connects to PC
5 (1) USB Type B connector for PC IN. Connects to PC USB
6 (1) Link/Activity LED on RJ-45 connector See Table 2-3
7(1) RJ-45 connector Links to CAT5/6/7 interconnect cable
8 (1) Speed LED on RJ-45 connector See Table 2-3

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CHAPTER 2: OVERVIEW
2.4.2 REMOTE EXTENDER
Figures 2-3 and 2-4 show the front and back panels of the Remote Extender. Table 2-2 describes its components.
1
FIGURE 2-3. FRONT PANEL OF THE REMOTE EXTENDER
2 3 4 4 6 7
5
FIGURE 2-4. BACK PANEL OF THE REMOTE EXTENDER

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CHAPTER 2: OVERVIEW
TABLE 2-2. REMOTE EXTENDER COMPONENTS
NUMBER IN FIGURES 2-3 AND 2-4 COMPONENT DESCRIPTION
1 (1) Power/Status LED Displays the status of the extender (See Table 2-3)
2 (1) DVI monitor OUT Connects to monitor
3 (1) barrel connector for DC power Connects to 12-VDC power supply
4 (4) USB Type A connectors Connects to keyboard, mouse, HIDs
5 (1) Link/Activity LED on RJ-45 connector See Table 2-3
6(1) RJ-45 connector Links to CAT5/6/7 interconnect cable
7 (1) Speed LED on RJ-45 connector See Table 2-3
2.4.3 LED INDICATORS
Table 2-3 describes the LED indicators on the extenders.
TABLE 2-3. LED INDICATOR FUNCTIONS
COLOR BLINKING BLINKING ACTIVE
CONNECTION
VIDEO
EXTENDED
USB
INITIALIZATION
USB DATA
RECEIVED
IDENTIFY
COMMAND
AUTO UPDATE
MODE
Main LED
Red —Yes No No — — —
Red Slow No No No — — Update failed
Orange —Yes Yes No — — —
Orange Fast — — — — — Update in
progress
Green —Yes Yes Yes — — Update
succeeded
Green V. Fast —— —Yes* — —
Red/
Green V. Fast — — — — — Yes —
RJ-45 Socket LEDs
Yellow —No — — — —— —
Yellow Slow Yes — — — — — —
Green — — — Yes — —— —
Green V. Fast — — — — Yes — —
*Remote only

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CHAPTER 3: INSTALL ATION
3.1 MOUNTING OPTIONS
3.1.1 MOUNTING PADS AND RUBBER FEET
The mounting pads and rubber feet can be used to hold the extenders in place and prevents them from sliding and falling.
To attach the mounting pads or rubber feet:
1. Remove the protection layer from the mounting pads or rubber feet.
2. Attach the mounting pads or rubber feet to the bottom the units.
3.1.2 MOUNTING KITS (OPTIONAL)
The following mounting kits are available:
Rackmounting kit (part number ACX300-RMK)
Under-desk mounting kit (part number ACX300-DMK)
DIN rail mounting kit (part number ACX300-DRM)
3.2 INSTALLING THE EXTENDER
WARNING! Read and understand all safety information before installing the product.
The units can be set up to access one host computer, or to access numerous host computers. In the case of the latter, an
additional Network Switch must be installed. With a Network Switch, each user can gain quick access to any of the required
computers.
Local Unit Remote Unit
Monitor 2 (User)
Monitor 1
Host
computer
FIGURE 3-1. SINGLE SETUP

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CHAPTER 3: INSTALL ATION
Local Units
Remote Units
Users
Network
Switch
Computers
FIGURE 3-2. NETWORK SWITCH SETUP
To install the product with/without a Network Switch:
1. Position the local unit close to the host computer.
2. Position the remote unit at the desired location.
3. If you are using a Network Switch, position the device between the local unit and the remote unit.
NOTE: The maximum distance between the units with CATx cable is 656 feet (200 meters).
4. Connect a monitor to the HDMI-out connector on the local unit.
5. Connect one end of the supplied HDMI-cable to the HDMI-in on the local unit.
6. Connect the other end of the supplied HDMI-cable to the HDMI connection on your computer.
7. Connect one end of the supplied USB cable to the USB connection on the local unit.
8. Connect the other end of the supplied USB cable to a USB port on your computer.
9. Connect a second monitor to the HDMI-out connector on the remote unit.
10. Connect a keyboard to a USB port on the remote unit.
11. Connect a mouse to a USB port on the remote unit.
12. Do one of the following, depending on your model and configuration:
For the extender with Network Switch (see Appendix B):
Connect one end of a CATx cable (not included) to the kvm-link port on the local unit. Make sure that the plug is latched.
Connect the other end of the CATx cable to one of the two CATx ports on the Network Switch.
Connect the end of a second CATx cable (not included) to the kvm-link port on the remote unit. Make sure that the plug is latched.
Connect the other end of the second CATx cable to the other CATx port on the Network Switch.

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CHAPTER 3: INSTALL ATION
For the extender without Network Switch (see Appendix A):
Make sure the dust protectors on the Network Switch and Extenders have been removed.
Connect one end of the CATx cable (not included) to the kvm-link port on the local unit. Make sure that the plug is latched.
Connect the other end of the CATx cable to the kvm-link port on the remote unit. Make sure that the plug is latched.
17. If you are using a Network Switch, connect your other workstations (remote extenders) and computers (local extenders)
with the Network Switch (see Appendix B).
18. If you are using a Network Switch, connect the Power supply to the AC connection on the Network Switch.
19. Connect a power supply to the DC connection on the local unit.
20. Connect the other power supply to the DC connection on the remote unit.
3.3 STARTUP
To start up the system without a switch:
1. Make sure that the two monitors and the computer are switched on.
2. If you are using a Network Switch, connect the power supply to a grounded wall socket.
3. Connect both extender power supplies to a grounded wall socket. Both extenders will start an initialization process. The red
status LED blinks a few seconds. After a few seconds, the status LED lights green. The monitor will displays your computer’s
desktop or any open applications.
3.4 REMOVING A CATX CABLE
To remove a CATx cable:
Press the latch down and slowly pull the cable out.
local / pc
in out
kvm-link
usb
FIGURE 3-3. REMOVING A CATX CABLE

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CHAPTER 4: EXTENDER MENU/SETTINGS
4.1 ACCESS THE MAIN MENU
Use the monitor and keyboard to get access to the main menu.
To access the main menu:
1. Make sure the extenders, the monitors and the computer are switched on.
2. Press the Scroll Lock key on your keyboard quickly five times. The main menu appears with an overview of the sub-menus.
3. To access a sub-menu press the applicable key.
FIGURE 4-1. MAIN MENU
4.2 STATUS MENU
In the Status Menu, the current status of the extender connection is displayed. It provides information on the connection itself as
well as resolution of the video channel, and USB status.
The enabled options and the current FW version is displayed in the left top corner.
Link status shows whether there is a physical connection available. Connection indicates if KVM data is currently able to be
transmitted.
Video and USB show if data is currently being transmitted.
FIGURE 4-2. STATUS MENU

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CHAPTER 4: EXTENDER MENU/SETTINGS
4.3 DETERMINE THE CURRENT FIRMWARE VERSION
To view the firmware version:
Make sure the main menu is open. The currently installed firmware versions of the remote and local units are displayed below
(e.g., 4267)
FIGURE 4-3. CURRENT FIRMWARE VERSION SCREEN
4.4 PERFORM A FIRMWARE UPGRADE
The latest version of the firmware can be downloaded from the BlackBox.com website by typing the part number (ACX300-R2)
in the search field and going to the “Resources” tab.
To perform a firmware update:
1. Make sure the main menu is open.
2. Press the U key. The Update menu appears.
Press the N key to do a network update.
Press the A key to do an automatic update.
Press the U key to do a direct update.
Press the Q key to return to the main menu.
4.5 UNLOCK AN OPTION
1. Make sure the main menu is open.
2. Press the M key. The Options Overview menu opens. The device ID will be shown.

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CHAPTER 4: EXTENDER MENU/SETTINGS
FIGURE 4-4. UNLOCK OPTION SCREEN
3. Contact Black Box Technical Support at 877-877-2269 or [e-mail] to get the unlock code from your supplier
by providing us with the 9-character device ID and the serial number of your KVM-extender.
4. Press the M key to enter the unlock code.
5. Enter the unlock code from Black Box Technical Support.
6. The extender will automatically restart.
7. To confirm the Option has been unlocked return to the Options Overview menu and check that the relevant Option is now displayed
in green.
FIGURE 4-5. OPTION SCREEN

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CHAPTER 4: EXTENDER MENU/SETTINGS
4.6 ENABLE OR DISABLE THE USB MEMORY OPTION
The USB Memory Option allows the user to enable or disable the memory option. When the USB Memory Option is enabled, USB
flash storage and external storage devices can be accessed via the extender. If your extender was provided with the USB Memory
Option, you can enable and disable at any time.
To enable or disable the USB Memory Option:
1. Make sure the main menu is open.
2. Press the M key. The Options Overview menu opens. The current USB Memory status is displayed (Enabled or Disabled).
3. Press 1 to enable or 0 to disable the USB Memory Option.
FIGURE 4-6. USB MEMORY OPTION SCREEN

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CHAPTER 4: EXTENDER MENU/SETTINGS
4.7 DEFINE WHAT DDC INFORMATION IS USED BY THE PC
The DDC Option menu allows the user to define what DDC information is used by the PC.
To define what DDC information is used by the PC:
1. Make sure the main menu is open.
2. Press the O key. The DDC Option menu appears.
Press 0 to use the DDC information from the monitor attached to the remote extender.
Press 2 to save the current DDC information. The system uses the same settings after the extender has been restarted.
Press 4 through 8 to use a predefined resolution which is saved.
3. Press ESC to go back to the main menu.
FIGURE 4-7. DDC/EDID SETTINGS SCREEN
4.8 CHANGE THE NETWORK SETTINGS
See Chapter 5, Network Settings.

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CHAPTER 4: EXTENDER MENU/SETTINGS
4.9 CHANGE THE EXTENDER SETTINGS
The Extender Settings menu allows the user to change a range of further preferences, which can be enabled or disabled by pressing
the applicable key.
To access the Extender Settings menu:
1. Make sure the main menu is open.
2. Press the G key. The Extender Settings menu appears.
3. The extender settings are distributed across two sub-menus: Remote Settings and Local Settings.
FIGURE 4-8. EXTENDER SETTINGS MENU
4. To access the local or remote extender settings:
Press the L key to access the Local Settings menu.
FIGURE 4-9. LOCAL EXTENDER SETTINGS MENU

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CHAPTER 4: EXTENDER MENU/SETTINGS
Press the R key to access the Remote Settings menu.
FIGURE 4-10. REMOTE EXTENDER SETTINGS MENU
4.9.1 ENABLE OR DISABLE THE USB COMPATIBILITY MODE
The USB compatibility mode can be enables or disabled.
To enable/disable the USB compatibility mode:
1. From the Extender Settings menu, press the L key. The Local Settings menu appears.
2. Press the U key to enable or disable the USB compatibility mode.
FIGURE 4-11. USB COMPATIBILITY MODE SCREEN

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CHAPTER 4: EXTENDER MENU/SETTINGS
4.9.2 SHOW THE LAST RECEIVED IMAGE
This function lets you show the last image that is received instead of a black screen when the monitor extender is disconnected from
the PC extender. To show that it is the last image received, the edges of the screen flash red.
To enable or disable the Last Image Received function:
1. From the Extender Settings menu, press the R key. The Remote Settings menu appears.
2. Press the S key to enable or disable the function.
3. Press ESC to go back to the main menu.
FIGURE 4-12. SHOW LAST RECEIVED IMAGE OPTION