Usb Interface - Lightware VINX-120-HDMI-ENC User Manual

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3. Product Overview

3.8. USB Interface

USB 1.1 and USB 2.0 data transmission works between an Encoder and
a certain Decoder device. Connect the host device (e.g. a computer) to
the Encoder and all the desired USB devices to the Decoder. Supported
USB devices:
▪ USB HID devices: keyboard, mouse, presenter.
Mass storage devices: USB flash drive, external hard drive.
▪
The transmission works in Unicast and Multicast mode as well, but
in latter case the desired Decoder has to be selected by any of the
following ways:
Pressing the Mode button on the front panel for less, than 3
▪
seconds (the connected display device will show Starting USB,
the other Sinks will show Stopping USB),
Pressing the Acquire USB connection button in the Advanced tab
▪
on the built-in web page (see the
section), or
▪ Sending an LW3 command to the desired Decoder.
The USB devices connected to the other Decoders will be still powered
but the data transmission is suspended.
ATTENTION! The active Decoder works like an extended USB hub
connected to a computer. Please pay attention for the storage
device to remove safely before unplugging it or interrupting during
a disc operation.
INFO: The USB transmission is automatically enabled between the
Encoder and the Decoder in Unicast mode.
L3 Switch
Computer Encoder
USB Transmission between an Encoder and a Decoder
3.9. RS-232 Interface
Serial data transmission works between an Encoder and all the
connected Decoders which have the same Video Stream ID. This
transmission is independent of the current working mode (Unicast/
Multicast). To connect serial devices please use the cables supplied
with the extenders.
ATTENTION! The serial data is transmitted only if video is
transmitted between the affected devices.
Pass-through Mode
DEFINITION: The Pass-through mode means fully transparent
bidirectional data transmission from an RS-232 port of a VINX
Extender to an RS-232 port of a VINX Decoder – and Vice versa.
All data received from the serial port of the Decoders is transmitted to
the serial port of the Encoder and vice versa: the data received from
USB Settings (Multicast Mode)
the serial port of the Encoder is transmitted to the serial port of all
connected Decoders.
Computer
Decoder Keyboard
Besides, transmitting data between two Decoders is not possible; see
Decoder Presenter
the above figure: sending serial data from the Touch Control to the
Projector is not possible.
ATTENTION! The data transmission works only if the serial port
Decoder Mouse
parameters are set to the same values in all devices: serial data
sender/receiver and the VINX Encoder and Decoder devices.
Decoder Flash drive
VINX-1x0-HDMI Extenders – User's Manual
L3 Switch
Encoder Decoder Touch control
Decoder
Decoder Projector
Decoder
RS-232 Data Transmission (Pass-through mode)
Command Injection Mode
DEFINITION: The Command Injection mode is like an RS-232
bidirectional converter. The mode allows data transmission
between a TCP/IP device and a serial device.
When a device is connected to the network (e.g. TCP/IP connection
from a computer) and a serial device is connected to the RS-232 port
of a VINX device they can communicate with each other.
Computer
L3 Switch
Encoder Decoder
Decoder
Decoder
RS-232 Data Transmission (Command Injection mode)
The mode can be enabled as described in the
Mode section.
14
Touch control
Projector
Setting the RS-232 Port