Official product image — source: NovaStar.
NovaStar · Video processor
KU20
Fully verified
COEX Manufacturer class: LED Display Controller
LED display controller with 6 Ethernet ports in NovaStar's COEX control system series. It offers 1x HDMI input, 6x Ethernet outputs and 1x optical output, and works with the VMP (Vision Management Platform) software.
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- Setup supportFor Colorlight, NovaStar and Huidu systems we do the setup by connecting remotely with AnyDesk; call us about mounting.
- Compatibility checkCompatibility with the other components is checked during configuration.
- Order trackingShipping and installation status is tracked on your order page.
Key specifications
View Technical Details- Capacity
- 3.9 MP
- Outputs
- 6 × RJ45
- Max. width
- 4,096 px
- Mode
- Synchronous
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Best suited for
- Synchronous installations where a PC or live HDMI/DVI source is shown one-to-one on the display.
- Displays with a total load of up to 3,900,000 px (6 Ethernet outputs).
Key features (manufacturer)
- 1x HDMI 1.3 input with loop through; 10-bit and 8-bit video inputs
- 6x Gigabit Ethernet output ports with a device load capacity of up to 3.9 million pixels, plus 1x 10G optical output
- Maximum load per Ethernet port: 659,722 pixels at 8bit@60Hz; hot backup between Ethernet ports
- All-In-One Controller and Send-Only Controller working modes; 2 image scaling modes (custom and pixel to pixel)
- Full-grayscale calibration and pixel level brightness and chroma calibration with the CC3 calibration system
- Minimum processing latency of 0 frames (less than 1 ms); up to 128 customizable presets
- Control through VMP software, 2x Ethernet control ports and an RS232 AUX port; supports SNMP, Art-Net and central control protocols
- Half-1U wide: two KU20, or one KU20 and a connecting piece, mount in a standard 19-inch rack
Capacity and network topology
1
2
3
4
5
6
- Total capacity
- 3,900,000 px
- Per port
- 659,722 px
- Max. width × height
- 4,096 × 4,096 px
- Operating mode
- Synchronous
Technical specifications
- Backup / redundant line
- LAN
- Pixel calibration
- Monitoring (temperature / voltage)
Capacity and outputs
- Loading capacity
- 3,900,000 px
- Maximum width
- 4,096 px
- Maximum height
- 4,096 px
- Ethernet outputs
- 6
- Capacity per port
- 659,722 px
- Port speed
- 1 Gbps
Inputs and playback
- HDMI inputs
- 1
- HDMI outputs
- 1
- Input interfaces
- HDMI 1.3 ×1
Connectivity and software
- Software / platform
- VMP, CC3, Cabinet Tool
Physical
- Dimensions
- 254.3 mm × 50.6 mm × 290.0 mm
- Weight
- 2.1 kg
- Operating temperature
- -20°C to +45°C
- Input voltage
- 100-240V~, 50/60Hz, 1.5A
- Power consumption
- 25 W
Manufacturer-specific technical data
In the manufacturer's own wording (the original English terms are kept).
Capacity
- Max device load capacity
-
3.9 million pixels
- Max output width/height
-
4,096 pixels
- Max load capacity per Ethernet port (interface table)
-
659,722 pixels (8bit@60Hz)
- Per Ethernet port, 8bit, by frame rate
- Output bit depth
-
- The load table lists 8bit only.
- The customized KU20 program supports 10-bit output when it works with the A10s Pro receiving card (contact NovaStar for customization).
Inputs
- HDMI IN (HDMI 1.3) ×1
-
- Max resolution 1920×1200@60Hz
- min resolution 800×600@60Hz
- interlaced signal inputs not supported
- HDMI max width/height
-
- Max width 3840 (3840×600@60Hz)
- max height 2560 (800×2560@60Hz)
- HDMI frame rates
-
- 23.98
- 24
- 25
- 29.97
- 30
- 47.95
- 48
- 50
- 59.94
- 60
- 71.93
- 72
- 75
- 100
- 119.88
- 120
Hz
- HDMI EDID / HDCP
-
- Standard resolutions up to 1920×1080@60Hz and custom input resolutions
- HDCP 1.4 compliant, backwards compatible with HDCP 1.3
- Input bit depth
-
10-bit and 8-bit video inputs
Outputs
- Ethernet ports 1-6
-
- 6 Gigabit Ethernet output ports.
- Support hot backup between Ethernet ports.
- OPT ×1
-
- 10G optical output port with a transmission rate of 10 Gbps.
- Optical module not included by default.
- HDMI LOOP ×1
-
- HDMI loop through.
- Up to 8 devices can be cabled in one loop.
- SPDIF ×1
-
- Digital audio output connector
- uses the HDMI 1.3 input source as the audio output
Control
- ETHERNET ×2
-
- Gigabit Ethernet control ports, TCP/IP, star connection
- connect to VMP software and central control devices
- built-in network switching, up to 20 KU20 can be cascaded
- AUX ×1
-
An auxiliary connector for connecting to central control devices (RS232)
- Protocols
-
Supports the SNMP, Art-Net, and central control protocols
Display
- Image scaling
-
2 image scaling modes: custom and pixel to pixel
- Frame Rate Adaptive
-
- Adapts to video inputs from 23.98 Hz to 480 Hz
- brightness deviation within 5% across frame rates
- adjustment in 0.01 Hz increments (requires A10s Pro series receiving cards and specific driver ICs)
Modes
- Working modes
-
- All-In-One Controller and Send-Only Controller
- in the All-In-One Controller mode, the layer and scaling functions are available
Electrical
- Power input / max power consumption
-
- 100-240V~, 50/60Hz, 1.5A
- 25 W
Physical
- Dimensions
-
254.3 mm × 50.6 mm × 290.0 mm
- Weight
-
- Net weight 2.1 kg
- gross weight 3.1 kg
- Rack mounting
-
- A single KU20 is half-1U in width
- two KU20, or one KU20 and a connecting piece, form an assembly that mounts in a standard 19-inch rack
- Operating environment
-
- -20°C to +45°C
- 0% RH to 80% RH, non-condensing
Sources
Source note
The capacity figures are for 8-bit output; 10-bit output needs a customized program together with A10s Pro receiving cards. The optical module for the 10G optical port is not included by default.
- KU20 LED Display Controller Specifications
- KU20 LED Display Controller Specifications
- KU20 Specifications V1.5.1
- Official product image — KU20 (KU20 Specifications V1.5.1)
Dataset: 2026.10.12-1 · last verified: Oct 6, 2026
Interoperability between receiving cards and controllers from different manufacturers is not assumed without official documentation.
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