
8-Port DMX Sub-Control MR-228DW
● Standard USITT DMX512/1990 General Grotocol and Extended Protocol;
● Support Unlimited Cascade Transmission, Unlimited Number;
● Support Return to Zero Code、Manchester Encoding Protoco;
● Support DMX512AP-N / NB, UCS512, MY7221, WS2821 and Other Driver Chips;
● Support Address Line Differential Signal, Can Be Used for Long Distance;
● Support R,RB,RGB,RGBW,RGBWY, and Multi-Color Mixing Control;
● Support 32-65536 Grayscale 16Bit, Support 262144 Grayscale, Restore image Details;
● 8-Port output, single Channel 512 Channels, expansion needs to be tested by Itself.
Description
Technical Parameters

8-ports DMX Sub Controller MR-228DW Description
MR-228DW DMX sub-control system is the third-generation new product for the night scene lighting project. Using more high-end FPGA chips, it supports higher computing speed, larger storage space, and can be expanded to support more load channels. Support 8-port output, support maximum 120Hz frame rate output. Support overcurrent and overvoltage protection, surge protection 1.5KV and other features. Long-term operation in high and low temperature harsh environments.
Product feature
● MR-228DW Standard USITT DMX512/1990 General Grotocol and Extended Protocol;
● MR-228DW Support Unlimited Cascade Transmission, Unlimited Number;
● MR-228DW Support Return to Zero Code,Manchester Encoding Protoco;
● Controller Signal output ADRI/PO Terminal Can Achieve DMX512 Channel Automatic Addressing, support DMX512AP-N / NB, UCS512, MY7221, WS2821 and Other Driver Chips;
● MR-228DW Support Address Line Differential Signal, Can Be Used for Long Distance;
● Independent Brightness Control of 3 Primary Colors, Easy to Adjust White Balance;
● Support R,RB,RGB,RGBW,RGBWY, and Multi-Color Mixing Control;
● Support 32-65536 Grayscale 16Bit, Support 262144 Grayscale, Restore image Details;
● Accurate Gamma Correction Algorithm, in Line With Human Visual Sense;
● Support Opening and Closing the Function of Writing DMX Addresses and Parameters;
● Support 120Hz Frame Rate to Ensure High-definition Display and 3D Requirements;
● Using Ethernet Interface and UDP Protocol, The Distance is 100 Meters;
● LCD Display Module Displays Controller Parameters and Status in Time;
● Two RJ45 Ports, support mixed cascading; automatic software display status;
● 8-Port output, single Channel 512 Channels, expansion needs to be tested by Itself;
● Support backup, single device failure or network cable disconnection has no effect;
● Support device port Anti-interference and leakage design;
● Support overcurrent and overvoltage protection, can run for a long time;
● Network adaptive or mandatory 100M can be set to support more loading;
● Equipment Network Port, Port output, Surge Protection: 1.5KV;
● Support Severe Working Environment -40℃-80℃, Normal Operation Without Failure;
Product Mechanical Structures
Front View

Rear View

① Power Switch ② LCD Display ③ Power Lights ④ Signal Lights
⑤ ⑥ Self-adapting Network Interface ⑦DMX OutPut Port ⑧ Power Interface
Mechanical dimensions & Installation
Front View

Top View

Rear View

8-Port 5Pin Terminal Interface Output Signals.As Shown Below:

| ① | ② | ③ | ④ | ⑤ | |
| DMX Signal | GND | Data+ | Data- | Addressing- | Addressing+ |
| GND | A | B | ADRI/PO- | ADRI/PO+ |
Note: The Signal Terminal ④⑤ is a Differential Signal. When The Differential OutPut of The Addressing Line is Not Used, Only Connect ⑤ (Addressing +).
instal and use
Online mode (Connected With The Computer )
MR-228DW Controller Connect With The Computer Ethernet Port, as Shown Below:

Offline Mode
MR-228DW Connect With the Offline Master Controller, as Shown Below:

Integrated synchronous and Asynchronous Mode
Connect With the Computer and The Main Control (Online Priority. No Signal Switch Offline), as Shown in The Following Figure:

For more information and problem, pls download the datasheet.
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product parameters
| Product Name | Standard DMX Sub-Controller | Product Model | MR-228DW |
| Rated Voltage | AC 100V~240V±15%Vac50/60Hz | Rated Power | About 15W |
| Protocol | RJ45X2PCS, Standard UDP/TCP Protocol | Network Rate | 100MB/1000MB Adaptive |
| OutPut | 8-Port OutPut (DMX512 and Extended Protocol, TTL Protocol) | Relative Humidity | About 95% (Non-Condensing) |
| Temperature | -40℃~80℃ | Dimension | 283mm*134mm*45mm |
| Hole Spacing | 268mm;68 mm | Protection Class | IP20 |
| Installation Method | Fixed Hole Installation Method (See Above Drawing) | Weight | 1.48kg |
| Shell Material | Iron (dusting process) | Accessories | Power Cord x1/Warranty Card x1/Foam Paper Box x1/ Screwdriver x1 |
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