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3. Product Overview
3.7.4.8. HDMI IN Advanced Analog Audio OUT
In MMX8x4-HT400MC and MMX8x4-HT420M models
Video crosspoint
HDMI in
Crosspoint state: Switch the desired video input to O5. For more details,
see
Crosspoint Operations
in LDC chapter, for LW3 command see
Switching and Crosspoint Settings
Port status: Unmute the necessary video port. For more details, see
the
HDMI Input Port Properties
in LDC chapter, for LW3 command see
Query the Status of Source Port
section.
Input port properties: Set the Audio mode to HDMI audio passthrough.
This setting can be found only in I5 and I6 ports of MMX8x4-HT420M
model. HDMI audio passthrough is the default audio mode in the other
ports and this property can not be changed.
Audio mixer (advanced audio settings) for I11 audio port: Set the volume
and the gain, unmute the channel. For more details, see
or Analog Input Channel
in LDC chapter, for LW3 command see
Embedded Audio Input Settings
section.
INFO: Choosing the input channel in the drop-down list is equal with
switching an input port to O5.
Audio mixer (advanced audio settings) for O6 audio port: Take care of the
proper mute state and volume value. For more details, see
Analog Output Channel
in LDC chapter, for LW3 command see
Advanced Analog Audio Output
section.
3.8. Control Features
The devices can be controlled over Ethernet, USB, and RS-232 ports
as well. The following sections are about to describe the available
features and settings by these interfaces.
3.8.1. Ethernet Interface
The device can be controlled via Ethernet port (RJ45 connector).
This interface supports any third-party system controller with LW2/
Audio
LW3 command protocol. The interface can be used to configure the
O5
de-embedder
device with Lightware Device Controller and establish the connection
to Lightware Device Updater software and perform firmware upgrade.
Audio
mixer
Serial and infra messages can be sent and received via Control
Advanced analog
Ethernet port (See more details about it in
audio out
Infra Interface
section.
Third-party control via MMX8x4-HT420M
MMX8x4-HT420M model contains RJ45 connector to supply Ethernet
communication for the TPS lines. Ethernet commands can be
transmitted on the TPS input and output ports if there is a physical
link between the motherboard and the input or the output board.
Ethernet Link to TPS I/O labeled connector on the I/O card is connected
Embedded
to the switch directly.
The other TPS input and output ports are connected to the switch
via a converter. (This converter is able to separate the incoming TPS
stream into video, audio, RS-232, power and Ethernet signal. These
signals are packed into the TPS signal by the converter, as well.)
Advanced
MMX8x4-HT series – User's Manual
Serial Interface
section).
INFO: In MMX8x4-HT400MC and MMX8x4-HT420M models, TPS
lines do not transmit Ethernet signal, but the matrix is able to
receive TCP/IP commands via Control Ethernet port. In case of
MMX8x4-HT420M model Ethernet signal transmission is possible
via TPS lines, but it needed physical link between the boards. For
more details see the the next section.
INFO: The LAN can be enabled or disabled for every single TPS port
with Lightware Device Controller (LDC) software or LW3 protocol
command.
Create a link towards the TPS input ports by connecting a patch cable
between the two RJ45 connectors (Ethernet Link to TPS inputs and TPS
inputs Ethernet).
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Troubleshooting
