S20 4K LED sending box with optical outputs
The Kystar S20 receives HDMI 2.0 or DisplayPort 1.2 video and sends it to an LED display through 20 Gigabit Ethernet outputs. The unit supports input resolutions up to 4096 × 2160 at 60 Hz and an LED load of up to 8.85 million pixels. Four optical outputs provide two active and two standby paths.
Technical specifications
| Parameter | Specification |
|---|---|
| Video inputs | 1 × HDMI 2.0; 1 × DisplayPort 1.2 |
| Maximum input resolution | 4096 × 2160 at 60 Hz |
| LED network outputs | 20 Gigabit Ethernet ports |
| Optical outputs | 4: 2 active and 2 standby |
| Maximum total LED load | 8.85 million pixels |
| Maximum per-port load | 650,000 pixels, within the total unit limit |
| Maximum width or height | 8000 pixels, within the total pixel limit |
| Loop-through | HDMI loop-through cascading |
| PC communication | USB Type-B or Gigabit Ethernet |
| Image adjustment | Brightness/color correction; brightness and color-temperature adjustment |
Control and display setup
Designed for rental and fixed installations, the S20 can be used in concert, stadium, conference and exhibition display systems. EDID management, flexible cable routing and redundant network-port backup support setup. Gigabit Ethernet provides cascade control, and the device supports calibration-data transmission. For 3D display, the specification states that loading capacity is halved and a 3D transmitter and 3D glasses are required.
Frequently asked questions
What is the maximum LED load of the S20?
The whole-unit maximum is 8.85 million pixels. The 20 network outputs must be mapped within this total and the applicable port limits.
Does the S20 support HDMI and DisplayPort sources?
Yes. It provides HDMI 2.0 and DisplayPort 1.2 inputs, with a specified maximum input resolution of 4096 × 2160 at 60 Hz.
How are the optical outputs arranged?
The S20 has four optical outputs: two active and two standby. Check the optical transmission configuration and receiver equipment for the installation.
How can I control several S20 units?
The S20 supports Gigabit Ethernet cascade control and HDMI loop-through. A computer can communicate with the unit through USB Type-B or Gigabit Ethernet.
Product image and specification download

Download Specification:
Kystar S20 LED Display Control System Sending Box Specification(Chinese)




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