MRV432

Manufacturer: NovaStar

Fully verified MRV Manufacturer class: Receiving Card

The MRV432 is a general receiving card developed by NovaStar with 8 HUB320 connectors, supporting up to 32 groups of parallel RGB data or 64 groups of serial data. Its maximum load capacity per card is 512×384@60Hz for common driver ICs and 512×512@60Hz for PWM driver ICs.

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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.
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Key specifications

View Technical Details

Capacity: 196.6 K px
Area: 512×384
Data groups: 32

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Best suited for

Driving a cabinet or module group of up to 512 × 384 pixels with a single card.
Permanent installations that need temperature / voltage monitoring.

Key features (manufacturer)

Maximum load capacity per card: 512×384@60Hz (common driver ICs), 512×512@60Hz (PWM driver ICs)
8 HUB320 connectors; up to 32 groups of parallel RGB data or 64 groups of serial data
Pixel level brightness and chroma calibration with NovaStar's calibration system
Quick adjustment of dark or bright lines and multi-batch adjustment
3D, individual Gamma adjustment for RGB and image rotation in multiples of 90°
Mapping 1.0, temperature and voltage monitoring, bit error detection
Firmware program and configuration parameter readback
Loop backup, dual backup of configuration parameters and dual program backup

Capacity and loading area

The card receives data over the Ethernet chain and drives the module group inside this area. The cabinet/module load cannot exceed this area or the capacity of 196,608 px.This figure is for modules with conventional driver chips; the datasheet states 262,144 px for modules with PWM driver chips.

Technical specifications

Backup / redundant line
Pixel calibration
Mapping
Monitoring (temperature / voltage)

Capacity and outputs

Loading capacity: 196,608 px
Official loading area: 512 × 384 px
Port speed: 1 Gbps
Data groups: 32
HUB interface: HUB320 ×8

Connectivity and software

Software / platform: NovaLCT

Physical

Dimensions: 146.0 mm × 91.5 mm × 19.3 mm
Weight: 100.0 g
Operating temperature: –20°C to +70°C
Input voltage: DC 3.8 V to 5.5 V
Power consumption: 2.5 W

Manufacturer-specific technical data

In the manufacturer's own wording (the original English terms are kept).

Capacity

Maximum load capacity (common driver ICs): 512×384@60Hz per card
Maximum load capacity (PWM driver ICs): 512×512@60Hz per card
Data groups: Up to 32 groups of parallel RGB data or 64 groups of serial data

Network

Gigabit Ethernet ports: Connect to the sending card, and cascade other receiving cards.

Each connector can be used as input or output.
Loop backup: The receiving card and controller form a loop via the primary and backup line connections

Interfaces

HUB320 connectors: 8 HUB320 connectors (JH1~JH8, 26-pin)

connect to the module
Power connector: Connect to the input power.

Either of the connectors can be chosen.
5-pin LCD connector: Connect to the LCD

Control

Self-test button: Set the test pattern

after the Ethernet cable is disconnected, press the button twice to display the test pattern
Mapping 1.0: Cabinets can display the receiving card number and Ethernet port information
Monitoring: Real-time temperature and voltage monitoring without external devices

bit error detection on the Ethernet port
Cabinet LCD: LCD module can display the temperature, voltage, single run time and total run time of the receiving card
Readback and backup: Firmware program readback

configuration parameter readback

dual backup of configuration parameters

dual program backup

Display

Calibration and adjustment: Pixel level brightness and chroma calibration

quick adjustment of dark or bright lines

multi-batch adjustment

individual Gamma adjustment for RGB
3D: Works with the controller that supports 3D function to enable 3D output
Image rotation: Rotation in multiples of 90° (0°/90°/180°/270°)

Electrical

Input voltage: DC 3.8 V to 5.5 V
Rated current: 0.5 A
Rated power consumption: 2.5 W

Physical

Operating environment: –20°C to +70°C

10% RH to 90% RH, non-condensing
Storage environment: –40°C to +85°C (page 10)

0% RH to 95% RH, non-condensing (page 11)
Dimensions: 146.0 mm × 91.5 mm × 19.3 mm
Net weight: 100.0 g (weight of a single receiving card only)
Certifications: RoHS, EMC Class A
Packing: Each receiving card is packaged in a blister pack

each packing box contains 100 receiving cards

packing box 625.0 mm × 180.0 mm × 470.0 mm

Sources

Source note

Capacity is recorded for common driver ICs (512×384@60Hz); with PWM driver ICs the card loads up to 512×512@60Hz. The card also supports 64 groups of serial data.

MRV432 Specifications V1.1.2 Official specification · V1.1.2 · Read directly · 07.10.2026
Official product image — MRV432 (MRV432 Specifications V1.1.2) Official specification · V1.1.2 · Read directly · 07.10.2026

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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