NovaStar MSD600 and MSD600-1 LED sending cards
These sending cards receive video from HDMI or DVI sources and send processed screen data through four Gigabit Ethernet outputs. A Type-B USB connection links the card to the control computer, while UART IN and OUT support cascading. Both models provide a light-sensor connection for automatic brightness adjustment with a compatible sensor.
Model selection: This listing includes MSD600 and MSD600-1. They have separate specifications, so match the full model name, board dimensions and required connections to the supplied card before ordering a replacement.
Shared connections and video limits
| Parameter | Specification |
|---|---|
| Video inputs | 1 × single-link DVI and 1 × HDMI 1.3 |
| Ethernet outputs | 4 × Gigabit Ethernet RJ45; up to 650,000 pixels per port; port redundancy supported |
| 8-bit source format | The video-format tables list RGB 4:4:4 at up to 1920 × 1200 @ 60 Hz; see the MSD600 HDMI documentation note below |
| 10/12-bit source format | RGB 4:4:4 at up to 1440 × 900 @ 60 Hz in the respective video-format tables |
| Computer control | Type-B USB |
| Cascading | UART IN/OUT; up to 20 sending cards |
| Light sensor | 1 connector for ambient-brightness monitoring and automatic screen-brightness adjustment |
| Input voltage | DC 3.3–5.5 V |
| Operating temperature | −20 to +75 °C |
Model-specific specifications
| Parameter | Specification |
|---|---|
| Separate audio input | 1 audio input connector documented |
| Source selection | Only one input source is selected at a time; default is HDMI |
| Custom resolution examples | 3840 × 600 @ 60 Hz or 800 × 2560 @ 60 Hz |
| Rated current / power | 0.75 A / 3.5 W |
| Dimensions | 137.9 × 99.7 × 39.0 mm |
| Net weight | 135.0 g |
| Operating humidity | 0–90% RH, non-condensing |
| Parameter | Specification |
|---|---|
| Separate audio input | Not documented in the MSD600-1 connector list; do not assume the MSD600 audio connection applies |
| Custom resolution examples | 3840 × 600 @ 60 Hz or 548 × 3840 @ 60 Hz |
| Interlaced video | Not supported |
| HDMI copy protection | HDCP 1.4 |
| Rated current / power | 1.32 A / 6.6 W; measured with one uncascaded card, HDMI input and four Ethernet outputs |
| Dimensions | 151.0 × 121.0 × 42.0 mm |
| Net weight | 157.6 g, card only |
| Operating humidity | 10–90% RH, non-condensing |
MSD600 documentation note: V2.2.1 lists HDMI at 1920 × 1200 @ 60 Hz in its video-format table but 1920 × 1080 @ 60 Hz in the HDMI connector description. Confirm the required HDMI format for the supplied MSD600 before relying on 1920 × 1200. The earlier listing’s 2048 × 1152 and 2560 × 960 claims are not confirmed in this linked specification.
Configuration and calibration
For MSD600-1, NovaStar documents pixel-level brightness and chroma calibration using NovaLCT and NovaCLB. The original MSD600 specification also supports NovaStar calibration technology. Match the receiving-card configuration and source bit depth to the screen; the per-port maximum does not establish support for every combined screen resolution.
Frequently Asked Questions
Are MSD600 and MSD600-1 the same sending card?
They share HDMI/DVI inputs and four Ethernet outputs, but their dimensions, rated power and documented connectors differ. Use the model-specific tables when choosing a replacement.
What resolution is supported at 10-bit or 12-bit?
Both referenced video-format tables list a maximum of 1440 × 900 at 60 Hz for 10/12-bit RGB 4:4:4. The 8-bit format limit should not be carried over to those higher bit depths.
Does MSD600-1 have the same separate audio input as MSD600?
The MSD600 specification documents a separate audio input. The MSD600-1 V1.0.0 connector list does not document that connector, so confirm the actual model if a separate audio input is required.
Can these cards adjust brightness using a light sensor?
Yes. Both specifications describe a light-sensor connector for monitoring ambient brightness and enabling automatic screen-brightness adjustment with a compatible sensor.
How are multiple sending cards connected for control?
The Type-B USB port connects to the computer, and UART IN/OUT ports provide device cascading. Both specifications support cascading up to 20 sending cards.
Product images




Specification download
MSD600 sending card specifications V2.2.1 (PDF)
The retained download is for MSD600. The separately labeled MSD600-1 values above follow NovaStar’s MSD600-1 specification V1.0.0, released March 30, 2021.











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