1.1 In te r faces .................................................................................................................................................................................................. 5
1.1.1 U SB - HID ................................................................................................................................................................................................................ 5
1.3.1 USB Type B Connector ...................................................................................................................................................................................... 6
1.3.2 USB Type A Connector ...................................................................................................................................................................................... 6
1.3.3 Mini USB Type B Connector ............................................................................................................................................................................. 7
1.3.5 Power Supply Connector .................................................................................................................................................................................. 7
1.4 Power Supply ............................................................................................................................................................................................ 7
2.2 System Overview ...................................................................................................................................................................................... 9
2.3 Product Range ........................................................................................................................................................................................ 10
2.4.1 DKM Series, 4-Port TC KM Switch with (2) HID Ports (ACX1004A-HID2)............................................................................................11
2.4.2 DKM Series, 8-Port TC KM Switch with (2) HID Ports (ACX1008A-HID2) ........................................................................................... 12
2.4.3 DKM Series, 4-Port TC KM Switch with (4) HID Ports (ACX1004A-HID4) ........................................................................................... 13
2.4.4 DKM Series, 4-Port TC KM Switch with (2) HID Ports and (2) USB 2.0 Ports (ACX1004A-U23) ...................................................14
2.5 Status LEDs ............................................................................................................................................................................................ 15
3.2 System Setup .........................................................................................................................................................................................17
3.3 Example Applications ............................................................................................................................................................................18
4.2 Configuration of Multi-Screen Control .................................................................................................................................................21
4.4 External Control (optional) ....................................................................................................................................................................22
5.1 Switching a Source .................................................................................................................................................................................23
5.1.1 Switching via Keyboard ...................................................................................................................................................................................23
5.1.2 Switching via Mouse (Panning) .....................................................................................................................................................................23
6.1 USB - HI D ................................................................................................................................................................................................... 25
7. TECHNICAL SUPPORT ................................................................................................................................................................ 26
7.1 Support Checklist ...................................................................................................................................................................................26
APPENDIX A. REGULATORY INFORMATION ................................................................................................................................ 27
A.2 NOM Statement .....................................................................................................................................................................................28
A.3 CE Declaration Of Conformity ..............................................................................................................................................................29
APPENDIX B. GLOSSARY ............................................................................................................................................................... 30
Trademarks Used in this Manual.................................................................................................................................................................31
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SAFETY INSTRUCTIONS
SAFETY INSTRUCTIONS
To ensure reliable and safe long-term operation of your DKM Series TC KM Switch please note the following guidelines:
Only use in dry, indoor environments.
Only use the device according to this User Manual. Failure to follow these procedures could cause damage to the equipment or
injury to the user or installer.
The DKM Series TC KM Switch and the power supply units can get warm. Do not install components in an enclosed space without
any airflow.
Do not place the power supply directly on top of the device.
Do not obscure ventilation holes.
Only use power supplies originally supplied with the product or manufacturer-approved replacements. Do not use a power supply if it
appears to be defective or has a damaged chassis.
Connect all power supplies to grounded outlets. In each case, make sure that the ground connection is maintained from the outlet
socket through to the power supply’s AC power input.
Do not connect the link interface to any other equipment, particularly network or telecommunications equipment.
Take any required ESD precautions.
TECHNICAL
SUPPORT
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CAUTION: To disconnect the device completely from the electric circuit, remove all power cables.
Do not attempt to open or repair a power supply unit.
Do not attempt to open or repair the DKM Series TC KM Switch. There are no user-serviceable parts inside.
Contact Black Box Technical Support at 877-877-2269 or info@blackbox.com if there is a fault.
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CHAPTER 1: SPECIFICATIONS
TECHNICAL
SUPPORT
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1.1 INTERFACES
1.1.1 U S B - HI D
Our devices with USB-HID interface support a maximum of two devices with USB-HID protocol. Each USB-HID port provides a maximum
current of 100 mA.
KEYBOARD
Compatible with most USB keyboards. Certain keyboards with additional functions may require custom firmware to operate.
Keyboards with an integral USB Hub (Mac keyboards e.g.) are also supported.
MOUSE
Compatible with most 2-button, 3-button and scroll mice.
OTHER USB-HID DEVICES
The proprietary USB emulation also supports certain other USB-HID devices, such as specific touch screens, graphic tablets,
barcode scanners or special keyboards. Support cannot be guaranteed, however, for every USB-HID device. Only two USB-HID
devices are supported concurrently, such as keyboard and mouse or keyboard and touch screen. A hub is allowed, but it does not
increase the number of HID devices allowed.
To support other USB “non-HID” devices, such as scanners, web cams or memory devices, choose our devices with transparent
USB support.
1.1.2 RJ -10/4P4C
This interface is used to establish a customer-specific communication with the TC KM Switch.
EX TERNAL STAT US L ED
To control an external LED to indicate the status of a port:
Connect the anode of the LED to pin 1 and the cathode to pin 2. Use a suitable series resistor that you connect in series. The
interface supplies 3.3 V output voltage with 15 mA max.
EXTERNAL BUTTON
To control a port by an external button, use an NC (normally closed) contact as a switch. This contact has to short-circuit pin 3 and
pin 4 to operate.
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CHAPTER 1: SPECIFICATIONS
1.2 SUPPORTED PERIPHERALS
TECHNICAL
SUPPORT
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1.2.1 USB-HID DEVICES
Our The TC KM Switch will support most USB-HID devices, including the vast majority of keyboards and mice currently on the
market. Many other kinds of HID devices such as bar-code scanners and touch screens may also be compatible.
It is not possible to guarantee support for all available USB-HID devices. In certain cases, custom firmware may be required.
USB-HID (and other) devices that are not supported as standard will normally operate with our devices featuring transparent USB
support.
NOTE: Concurrent operation of more than two USB-HID devices is not possible even if you use a USB hub.
1.3 CONNECTOR PINOUTS
1.3.1 USB TYPE B CONNECTOR
TABLE 1-1. USB TYPE B CONNECTOR PINOUTS
PICTUREPINSIGNALCOLOR
1VCC (+5 VDC) Red
2Data –White
3Data +Green
4
GND
Black
1.3.2 USB TYPE A CONNECTOR
TABLE 1-2. USB TYPE A CONNECTOR PINOUTS
PICTUREPINSIGNALCOLOR
1VCC (+5 VDC) Red
2Data –White
3Data +Green
4
GND
Black
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CHAPTER 1: SPECIFICATIONS
1.3.3 MINI USB TYPE B CONNECTOR
TABLE 1-3. MINI USB TYPE B CONNECTOR PINOUTS
PICTUREPINSIGNALCOLOR
1VCC (+5 VDC) Red
2Data –White
3Data +Green
4Not connected—
5GND
1.3.4 RJ-10/4P4C CONNECTOR
TABLE 1-4. RJ-10/4P4C CONNECTOR PINOUTS
Black
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PICTUREPINSIGNAL
1LED +
2LED –
3Dry Contact
4
GND
1.3.5 POWER SUPPLY CONNECTOR
TABLE 1-5. POWER SUPPLY CONNECTOR PINOUTS
PICTUREPINSIGNAL
InsideVCC (+5 VDC)
OutsideGND
1.4 POWER SUPPLY
TABLE 1-6. POWER SUPPLY SPECIFICATIONS
SPECIFICATIONDESCRIPTION
Voltage5 VDC
ACX1004A-HID2: max. 500 mA;
Power Requirement
ACX1008A-HID2: max. 700 mA;
ACX1004A-HID4: max. 700 mA
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CHAPTER 1: SPECIFICATIONS
1.5 ENVIRONMENTAL CONDITIONS
TABLE 1-7. ENVIRONMENTAL SPECIFICATIONS
SPECIFICATIONDESCRIPTION
Operating Temperature 41 to 113° F (5 to 45° C)
Storage Temperature -13 to +140° F (-25 to +60° C)
Relative HumidityMax. 80% non-condensing
1.6 DIMENSIONS
TABLE 1-8. DIMENSIONS SPECIFICATIONS
SPECIFICATIONDESCRIPTION
Switch Dimensions1.7"H x 8.2"W x 5.6"D (4.2 x 20.9 x 14.3 cm)
Shipping Box Dimensions5.1"H x 11.0"W x 7.1"D (13 x 28 x 18 cm)
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1.7 SHIPPING WEIGHT
TABLE 1-9. SHIPPING WEIGHT SPECIFICATIONS
SPECIFICATIONDESCRIPTION
Shipping Weight1.3 lb. (0.6 kg)
1.8 MT BF
The following table contains the mean time between failure (MTBF) in power-on hours (POH). The estimate is based on the FIT
rates of the parts included. FIT rates are based on normalized environmental conditions of T = 60° C and activation energy (Ea) of
0.7 eV. Calculations are based on 90% confidence limit.
We estimate that inside the housing, temperature will be 15°C higher than the ambient temperature. Therefore, the MTBF
calculation refers to an ambient temperature of 45°C. The humidity is limited to 60%.
TABLE 1-10. MTBF SPECIFICATIONS
SWITCH PRODUCT CODEMTBF
ACX100 4A- HID2 487,000 POH
ACX1008A-HID2361,000 POH
ACX1004A-HID4357,000 POH
ACX1004A-U23468,000 POH
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CHAPTER 2: DESCRIPTION
TECHNICAL
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2.1 APPLICATION
The DKM Series TC KM Switch is used to communicate between several sources (computer, CPU, KVM Extender CON Units) and several
monitors with one keyboard and mouse set only.
The DKM Series TC KM Switch is especially suitable for use with KVM switches and KVM extenders in the Black Box family.
2.2 SYSTEM OVERVIEW
The DKM Series TC KM Switch is connected to sources (computer, CPU, KVM extender CON Units) using the cables supplied.
Keyboard and mouse are connected to the device.
TABLE 2-1. COMPONENTS IN A TYPICAL APPLICATION
NUMBER IN FIGURE 2-1DESCRIPTION
1 Sources (computer, CPU, KVM Extender CON Units)
2TC KM Switch
3Keyboard, mouse
NOTE: See Section 3.3 in this manual for installation examples.
FIGURE 2-1. TYPICAL APPLICATION
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CHAPTER 2: DESCRIPTION
2.3 PRODUCT RANGE
TABLE 2-2. AVAILABLE SWITCH MODELS
PRODUCT CODEDESCRIPTION
ACX100 4A- HID2 TC KM Switch 4 Port
ACX100 8A- HID2TC KM Switch 8 Port
ACX100 4A- HID4TC KM Switch for parallel switching of 2x4 ports
ACX1004A-U23
TC KM Switch with 4 ports USB-HID and 4 ports USB 2.0
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CHAPTER 2: DESCRIPTION
2.4 DEVICE VIEWS
2.4.1 ACX1004A-HID2
1 2 3 4 5 6 7 8 9 10 11 12
FIGURE 2-2. REAR VIEW OF THE ACX1004A-HID
TABLE 2-3. ACX1004A-HID2 COMPONENTS
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NUMBER IN FIGURE 2-2DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
Connect to RJ-10/4P4C (Port 1)
To CPU 1: USB-HID
Connect to RJ-10/4P4C (Port 2)
To CPU 2: USB-HID
Connect to RJ-10/4P4C (Port 3)
To CPU 3: USB-HID
Connect to RJ-10/4P4C (Port 4)
To CPU 4: USB-HID
Connect to USB-HID devices 1
Connect to USB-HID devices 2
Service port
Connect to 5-VDC power supply
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