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©2021 Sharp NEC Display Solutions, Ltd. Page 8 of 86
Basic Features
• Operating System support
o Select from many publicly available OS distributions and images depending on the
application, such as: fully featured and ready to use networked media players, kiosk
interfaces, full desktop based operating systems, and minimal systems.
A custom developed NEC Media Player image is also available.
• Network connectivity
o Gigabit LAN connection on the Raspberry Pi Compute Module Interface Board for direct
high-speed connection to the Compute Module.
o 10/100 LAN switch internal to the display provides network connectivity to both the
display and Raspberry Pi Compute Module using a single network connection. The
display’s LAN control interface and the Compute Module will have their own IP address
and network settings.
o (Multiple LAN port display models
1
) Two of the display’s LAN switch ports are available
externally for daisy-chaining other devices.
- LAN1 port should be used to connect to the network.
- LAN2 output can be used to connect other LAN devices or displays.
o Built-in Wi-Fi on supported models.
• USB connectivity
o Two USB 2.0 Type-A connectors (500mA power) on the Raspberry Pi Compute Module
Interface Board for connecting devices such as keyboards, mice, and other USB
peripherals.
o (Display models with “USB-A” connection
2
) An additional USB 2.0 internal connection to
the display’s built-in USB Type-A port. This port can be switched between the Raspberry
Pi Compute Module, another SDM based device, or an external PC. This can be set to
switch automatically, depending on the currently selected video input, or fixed to a
specific source.
o Direct programming of the Compute Module from an external PC via a USB 2.0 Micro-B
connector on the Raspberry Pi Compute Module Interface Board.
• Internal IR Remote receiver and pass through to the Raspberry Pi Compute Module
o The display's IR Remote can be used to operate software running on the Raspberry Pi
Compute Module, such as a media player, via standard IR Remote Control units. The IR
Remote communicates to the Compute Module via the display's internal remote control
sensor or external KT-RC3 sensor. It will be necessary to configure such software with
the IR codes for the remote control units being used.
o This uses GPIO 18 on the Raspberry Pi.
1
Current display models with multiple LAN ports on the terminal panel: MA431, MA491, MA551, P435, P495, P555
2
Current display models with port labeled “USB-A” on the terminal panel: MA431, MA491, MA551, P435, P495,
P555
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