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NovaStar · Receiving card

MRV332

Manufacturer: NovaStar
Fully verified MRV Manufacturer class: Receiving Card

The MRV332 is a general receiving card developed by NovaStar; the specification states that a single card loads up to 256×226 pixels. It uses HUB connectors and supports up to 24 sets of parallel RGB data or 64 sets of serial data.

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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
57.9 K px
Area
256×226
Data groups
24
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Best suited for

  • Driving a cabinet or module group of up to 256 × 226 pixels with a single card.
  • Permanent installations that need temperature / voltage monitoring.

Key features (manufacturer)

  • A single card loads up to 256×226 pixels (as printed)
  • Up to 24 sets of parallel RGB data or 64 sets of serial data
  • 12-bit precision pixel level brightness and chroma calibration with NovaLCT and NovaCLB
  • Quick seam correction and 3D function (with an independent controller that supports 3D)
  • Voltage and temperature monitoring without peripherals; bit error rate monitoring with NovaLCT V5.2.0 or later
  • Dual power supplies with status monitoring
  • Loop backup through main and backup redundant cascading lines
  • Dual backup of program; readback of configuration parameters

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 57,856 px.

Technical specifications

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

Capacity and outputs

Loading capacity
57,856 px
Official loading area
256 × 226 px
Data groups
24
HUB interface
HUB75 ×12

Connectivity and software

Software / platform
NovaLCT, NovaCLB

Physical

Dimensions
144.0 mm × 91.5 mm × 18.3 mm
Operating temperature
-20°C to +70°C
Input voltage
DC 3.3 V–5.0 V
Power consumption
2.5 W

Manufacturer-specific technical data

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

Capacity

Loading capacity

A single MRV332 loads up to 256×226 pixels

Data groups

Up to 24 sets of parallel RGB data or 64 sets of serial data

Network

Network ports

Network ports (labelled in the appearance picture)

Loop backup
  • Main and backup redundant mechanism for cascading of receiving cards
  • if either line fails, the other begins to work

Interfaces

HUB connectors

HUB75 connectors JH1–JH12 (16-pin, HEADER8X2 in the pin diagram)

J9 definition

1 STA_LED, 2 LED +/3.3V, 3 PWR_LED -, 4 KEY +, 5 KEY -/GND

Indicators

Status indicator (green), power indicator (red)

Control

Monitoring
  • Voltage and temperature monitoring without peripherals
  • bit error rate monitoring with NovaLCT (V5.2.0 or later)
Cabinet LCD

LCD can display temperature, voltage, single operating time and total operating time of the receiving card

Maintainability
  • One-click application of calibration coefficients saved in module Flash
  • pre-stored image on receiving card
  • readback of configuration parameters
Dual backup of program

Two copies of application programs are saved in the receiving card at the factory

Display

Calibration

12-bit precision brightness and chroma calibration on each LED, working with NovaLCT and NovaCLB

Display effect functions
  • Quick seam correction
  • 3D function (with the independent controller which supports 3D)

Electrical

Dual power supplies

Supports dual power supplies and can detect whether their working statuses are normal

Input voltage

DC 3.3 V–5.0 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
  • -25°C to +125°C
  • 0% RH to 95% RH, non-condensing
Dimensions

144.0 mm × 91.5 mm × 18.3 mm

Packing
  • Antistatic bag and anti-collision foam per card
  • each packing box contains 100 receiving cards
  • packing box 650.0 mm × 500.0 mm × 200.0 mm
Certifications

RoHS

Sources

Source note

The specification prints the loading capacity as 256×226 pixels.

  1. MRV332 Specifications V1.0.1 Official specification · V1.0.1 · Read directly · 07.10.2026
  2. Official product image — MRV332 (MRV332 Specifications V1.0.1) Official specification · V1.0.1 · 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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System components from the same manufacturer. The solution designer calculates whether a specific pairing is technically suitable.

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A quote tailored to your projectNovaStar MRV332