Model: Linsn EX902D. It is a dedicated multifunction expansion controller card compatible with full series Linsn sending and receiving cards for indoor and outdoor LED display projects. The device is equipped with complete reserved interfaces including standard RJ45 network port, light sensor port, temperature and humidity sensor terminals, audio output interface and multi-channel relay control ports. It supports stable network signal transmission up to 100 meters via CAT5e and CAT6 network cables without signal attenuation or data loss.
Core functional features include automatic brightness adjustment according to ambient light intensity, real-time monitoring and data feedback of screen internal and external temperature and humidity, synchronized audio signal output for video wall playback, and intelligent relay control for fan, air conditioner and power supply switch. It supports smoke detection access, remote system power management and cascading expansion for large-scale splicing LED screens. The card runs steadily under wide temperature range with strong anti-interference performance, supporting 24 hours continuous long-term operation.
Application scenarios cover outdoor advertising LED billboards, indoor shopping mall display walls, stage rental LED screens, stadium perimeter displays, airport and railway station guidance screens and commercial exhibition center LED video wall systems.
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