Kystar KBS2000 for high-capacity LED sending
The Kystar KBS2000 is an LED display sending controller with 20 Gigabit Ethernet outputs and up to 8.85 million LED pixels of total capacity. One HDMI 2.0 input and one DisplayPort 1.2 input support source resolutions up to 4096 × 2160 at 60Hz. Four 10G optical ports provide primary and backup transmission paths for compatible optical configurations.
In a Kystar control system, the KBS2000 sends the incoming video to the receiving-card network. It is suited to rental and fixed installations such as stage displays, exhibitions and conference LED walls where source timing, pixel capacity and transmission distance must be planned together.
Verified KBS2000 specifications
| Specification | Details |
|---|---|
| Video inputs | 1 × HDMI 2.0; 1 × DP 1.2 |
| Maximum standard input | 4096 × 2160 at 60Hz |
| Ethernet outputs | 20 Gigabit ports; hot-backup support |
| Total LED pixel capacity | Up to 8,850,000 pixels |
| Per-port capacity | Up to 650,000 pixels |
| Maximum output dimensions | Width or height up to 8,000 pixels, within total pixel capacity |
| Optical ports | 4 × 10G; OPT1/OPT2 primary and OPT3/OPT4 corresponding backup |
| Optical port mapping | OPT1 carries Ethernet ports 1–10; OPT2 carries ports 11–20 |
| Cascade | Up to 8 units; HDMI loop output can carry the selected HDMI or DP source |
| Calibration / special screens | Passive brightness and color calibration; spherical-screen processing with supported receiving-card series |
| 3D display | Supported with matching equipment; LED load is halved in 3D mode |
Transmission and system configuration
Each primary optical output carries a group of ten Ethernet outputs. Backup optical ports duplicate the corresponding primary data; they do not increase the controller’s 8.85-million-pixel total load. The specification describes 1310nm single-mode dual-fiber modules for up to 10km transmission and support for 850nm multimode modules up to 300m. Actual reach depends on the matched modules, fiber and receiving equipment. Confirm included modules and any backup modules when selecting the order configuration.
For scale, a 3840 × 2160 LED canvas contains 8,294,400 pixels and fits below the stated total capacity. A 4096 × 2160 canvas contains 8,847,360 pixels and is very close to the maximum. These are pixel-budget calculations, not a guarantee of cabinet mapping: each output and its receiving-card chain must also remain within their limits.
Calibration, creative displays and control
- EDID management: configure a compatible source resolution within the documented input pixel budget.
- Passive calibration: work with the Kystar calibration system without an active video source during the calibration process.
- Flexible routing: map irregular screen layouts without treating unused areas as loaded pixels.
- Spherical displays: the manufacturer identifies KR, Hxs and Mx receiving-card series for the spherical-screen function.
- Operation and cascade: control from a PC through USB or Gigabit Ethernet and cascade compatible units for coordinated setup.
For 3D, confirm the complete signal, transmitter, glasses and receiving-card configuration. The manufacturer document states that LED load is halved in 3D mode, so a project sized near the 2D maximum must be recalculated. Verify exact firmware and receiving-card support rather than assuming that all Kystar hardware supports every advanced function.
Frequently asked questions
Do 20 ports provide 13 million pixels in total?
No. Although each port supports up to 650,000 pixels, the KBS2000 total capacity is 8.85 million pixels. Both limits apply to the screen mapping.
Do the backup optical ports add capacity?
No. OPT3 backs up OPT1 and OPT4 backs up OPT2. Their purpose is redundancy, not extra independent pixel load.
Is KBS2000 the same as KBS2000 Pro?
They are separate models. Compare the KBS2000 Pro against its own specification when deciding which controller meets your project requirements.
Conclusion
KBS2000 combines 4K60 source input, twenty Ethernet outputs and optical transmission for an LED system within its 8.85-million-pixel budget. Choose the receiving cards, port mapping, optical modules and 2D/3D settings as one configuration. Refer to the official Kystar KBS2000 product page and the preserved model-specific document below.
Download Specification:
Kystar KBS2000 LED Display Control System Sending Box Specification(Chinese)
