MCD Elektronik USB hub 2.0 User manual

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Application
MCD Elektronik GmbH
Hoheneichstr. 52
75217 Birkenfeld
Fon +49 (0) 72 31/78 405-0
Fax [phone]
[e-mail]
www.mcd-elektronik.com
HQ : Birkenfeld
Managing CEO: Bruno Hörter
Register Court Mannheim
HRB 505692
Template version: 4.0 / 2017-01-25 V2.3 2017-03-08 MR
Manual
USB hub 2.0, 8-port, switchable

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Table of Contents
1. SAFETY INSTRUCTIONS ..................................................................................................................................................4
2. GENERAL INFORMATION ...............................................................................................................................................4
3. SCOPE OF DELIVERY .......................................................................................................................................................4
4. CONNECTION AND INSTALLATION .................................................................................................................................5
4.1. CONNECTING THE DEVICE ....................................................................................................................................................5
4.2. INSTALLING DRIVERS ...........................................................................................................................................................6
4.3. INSTALLING TOOLMONITOR .................................................................................................................................................6
5. INTRODUCTION .............................................................................................................................................................7
5.1. FEATURES.........................................................................................................................................................................7
5.2. CONSTRUCTION.................................................................................................................................................................8
5.3. DISPLAY ...........................................................................................................................................................................8
5.4. BUTTON...........................................................................................................................................................................8
6. FUNCTION OF THE USB PORTS .......................................................................................................................................9
6.1. OPERATING MODES............................................................................................................................................................9
6.2. CONNECTION DETECTION ....................................................................................................................................................9
6.3. CURRENT MEASUREMENT..................................................................................................................................................10
6.4. CURRENT LIMITATION .......................................................................................................................................................10
7. FUNCTION OF THE RELAY MULTIPLEXER ......................................................................................................................11
8. FUNCTION OF THE USB HUB 2.0 8-PORT ......................................................................................................................12
8.1. BEHAVIOR WHEN POWER IS APPLIED....................................................................................................................................12
8.2. BEHAVIOR IN READY MODE ................................................................................................................................................12
8.3. BEHAVIOR AFTER READY MODE ...........................................................................................................................................12
8.4. BUTTON LOCK .................................................................................................................................................................12
8.5. SAVING THE CONFIGURATION .............................................................................................................................................12
8.6. RECOGNITION NUMBER.....................................................................................................................................................12
8.7. RESETTING .....................................................................................................................................................................13
9. SOFTWARE MANUAL ...................................................................................................................................................14
9.1. PROGRAMMING INTERFACE ...............................................................................................................................................14
9.2. PROGRAM SETTINGS.........................................................................................................................................................15
9.3. USB HUB CONFIGURATION ................................................................................................................................................16
9.4. USB HUB COMMAND LINE .................................................................................................................................................17

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10. TECHNICAL DATA..................................................................................................................................................... 19
11. INTERFACE DESCRIPTION......................................................................................................................................... 20

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1. Safety instructions
The USB hub 2.0 8-port is intended for use indoors. It may not be exposed to moisture. If the device is brought
from a cold environment into a warm one, it must be allowed to stand for at least one hour without the power
cord and other cables connected until any condensation moisture has dried.
The device has no parts that can be replaced by the user. Any repair must be carried out by a trained technician.
Before opening the housing, disconnect the power cord and wait for about a minute.
2. General information
This USB hub has eight USB 2.0 downstream ports that can be turned on and off individually via USB. When they
are turned off, the power supply (+5V) and the data lines are isolated by semiconductor switches. Control is
provided by the USB hub Toolmonitor (PC software). Whether ports are active after the device is turned on, and
which ports, can be configured and stored.
Each USB port can be configured as a standard port (SDP), charging-capable connection (CDP), or a charger
connection (DCP) and provides the connected device with up to 2.5A.
In addition to the USB ports, the USB hub also has an 8-channel relay multiplexer that can be used to turn a
centrally connected voltage (at most 48V) on each port individually on and off independently from one another,
for example for supplying a device with a voltage other than 5V. The connection uses a 4mm banana plug.
Whether and which ports should be activate after the hub is turned on (for example to have access to the mouse
or keyboard) can be stored in non-volatile storage.
A switch on the device can be used to turn off all ports temporarily or to restore the previous switching state of
all ports.
A number that can be stored in the device can be used to distinguish between multiple USB hub 2.0 8-port units
on a PC.
External software can be used to control the USB hub Toolmonitor completely remotely. COM/DCOM or a .Net
assembly can be used as the interface. This allows the USB hub Toolmonitor to be integrated into many different
applications (MCD TestManager CE, LabView ®, Microsoft Visual Studio ® (C#, C++, Visual Basic), Microsoft
Office ® (for example Excel ®), Open Office ®). It is also possible to use the USB hub under Linux.
Order number: # 121142
3. Scope of delivery
1x USB hub 2.0 8-Port
1x USB storage card with installation software
1x USB 3.0 connection cable 2m
1x power cord 1.8m

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4. Connection and installation
4.1. Connecting the device
The USB hub 2.0 8-port can optionally be operated on 110V or 230V power grids. The power switch on the back
turns the device on and the button on the front left lights up. When delivered, all relays turn on and all USB ports
are off. This is indicated by the different signal LEDs. The power-on behavior can be changed later.
Front view of the USB hub:
Connecting the USB hub to your PC:
/
USB cable /
type AB
90 –132 VAC
or
187 –264 VAC
47 –63Hz

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4.2. Installing drivers
Connect the USB 2.0 HUB 8 to a free USB port and turn it on with the switch on the back. The actual USB hub is
detected automatically by Windows and appropriate drivers are installed. Additional drivers are required for the
control components. The following options are available:
1) If the PC has access to the Internet, starting with Windows 7 ® the driver is automatically loaded and
installed by Windows Update.
2) Alternatively, the driver can be loaded and installed from http://www.ftdichip.com/Drivers/VCP.htm.
For a simple installation, please click "setup executable".
3) If "MCD USBHub8Monitor" is included, after it is installed the driver can be found and installed in the "USB
Driver" directory of its installation directory.
By default, the installation path is:
<Drive name>:\MCD Elektronik GmbH\MCD USBHub8Monitor\USB Driver
4.3. Installing Toolmonitor
The USB 2.0 HUB 8 can be completely controlled via text commands (see Chapter 11 on p. 20). Optionally, the
USBHub8Monitor can be installed as a graphical user interface and as an interface for other applications. To do
this, start the USBHub8Install installer (EXE or MSI file) and follow the instructions in the installation dialog. After
installation, the Toolmonitor can be started from the Start menu.
Under Setup Register COM Server, the Toolmonitor can be registered so that it can be controlled from other
applications.

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5. Introduction
5.1. Features
Relay multiplexer
8 channels, individually switchable
Up to 48VDC / 2A (max. 30W) per channel under resistive load
Display for channel on or off
USB downstream ports
8 ports, individually switchable with up to 2.5A per port.
Each port is protected by a resettable overload breaker.
Current limitation adjustable
Connected devices are protected from excess current by the adjusted shutoff limit.
Adjustable charger emulation for many mobile devices (such as CDP, DCP, etc.).
An automatic mode tries different profiles.
Detection of whether a device has been connected to a port.
Also detects when devices are connected that are not USB devices
(such as USB fans, USB reading lights, etc.).
Current measurement for every port (resolution about 10mA)
Detection of defects (e.g. current consumption too high / too low).
Measurement of the current consumption of connected devices.
Display for port/channel: on / off / excess current / charge / charge complete / no device connected
Mode always visible from outside.
Host connection
Controlled from USB hub connection
Hub functionality and control of the hub with just one cable.
Button
Indicates operating / ready mode on.
Turns off previously determined or all USB ports and relay channels.
Can provide the function of an emergency stop.
If necessary, turns only certain devices off, while for example the mouse and keyboard remain
active.
Other
Operating state on power-on (e.g. active USB ports and relay channels) can be specified and stored.
With appropriate configuration, can also act as a USB charger without a USB host.
Defined operating state on power-on appropriate to any application.
User-defined labeling of the hub to distinguish it from other USB hubs on the controlling host.

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5.2. Construction
5.3. Display
Relay turned off
Relay turned on
USB port turned off
USB port turned on, but no device connected
USB port turned on
Indicators of USB-Ports configured as charging ports are dimmed when the charging has finished.
5.4. Button
Device turned off
Ready mode
Normal mode
Hub Hub
Port 1 - 4Port 5 - 8
USB in
Mux 1 - 8
Control

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6. Function of the USB ports
6.1. Operating modes
The USB hub provides eight high-speed-capable USB 2.0 ports. Each port can be configured to one of four
modes. These four modes are:
1. Standard port (SDP):
If the maximum current is exceeded, the port shuts off.
2. Charge-capable port (CDP):
Like a standard port, but it announces itself to the connected USB device as a charge-capable USB port
according to the USB battery charging specification V1.2 (USB-IF BC1.2 CDP).
The current is limited to the maximum possible value.
3. Dedicated charging port (DCP BC1.2)
The port announces itself to the connected USB device as a dedicated charging port according to the
USB battery charging specification V1.2 (USB-IF BC1.2 DCP).
The current is limited to the maximum possible value.
In this mode, no USB communication is possible with the connected device!
4. Dedicated charging port (DCP)
The port attempts to negotiate a charging protocol with the connected device. To do this, it tries
different variants one after the other, including BC1.2 DCP, YD/T-1591 (2009) and variants compatible
with many portable devices from Apple ® and RIM ®.
The current is limited to the maximum possible value.
In this mode, no USB communication is possible with the connected device!
DCP connections can also be active without a host connected.
Due to the many charging schemes –some of which are manufacturer-specific –there is no guarantee
that battery charging will succeed with a particular mobile device and that no damage can result!
6.2. Connection detection
The USB ports have a function to detect when a USB device is connected. This also works for connected
devices that only use the power from the connection (e.g. USB fans or reading lights). Connection detection
can be disabled individually for each port if the small test current should lead to unexpected problems.
In CDP mode, it may be that the connection detects such a device, but does not detect when it is
disconnected. This has no effect on the other functions of the USB hub, however. Connecting a normal
USB device or turning the port on and off will reset connection detection again.

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6.3. Current measurement
Each USB port has a mechanism to measure the current, with a resolution of about 10mA. This permits the
actual current consumption of the connected device to be measured and monitored. This applies to both
operating currents of USB devices and non-USB devices as well as charging currents.
6.4. Current limitation
The switching threshold for current limitation can be configured individually for each USB port in steps of
500mA to up 2500mA. Current limitation is in principle configurable regardless of use, but the following
limits are recommended:
Mode
Current limitation
Standard port (SDP)
900mA –1000mA
Charge-capable data connection (CDP)
1500mA –1800mA
BC 1.2 dedicated charging port (DCP)
2000mA –2500mA
Charger emulation
2000mA –2500mA
Most USB connectors are specified at 1.5A to 1.9A. So in general, a current limitation of no more than
2000mA should be configured.