Professional Entertainment Lighting control Solutions

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Entertainment

MONARQ

QULON

RTTrPL

KiNet

sCAN

DMX RDM

Wireless DMX Transmission

Bluetooth DMX

beDMX Wireless Protocol

DMX 512 over powerline 110\220

Wireless Lighting Solutions

Lighting Solutions for Cathedrals

Lighting Solutions for Churches

DMX Ethernet converters

DMX Triggers Controll

Guide

DMX Controllers for LED

LED Lights

ArtNet

Connected to multiple lighting fixtures

DMX splitter

Solving DMX Issues

Control Incandescent Lamps via DMX

Brightness Levels

Lamps Flicker

What to Do with lighting

Color Temperature

DMX Dimming

DMX over Ethernet

DMX Frequently Asked Questions

<div class="raw-html-embed"><ol>
 <li>
 <a href="#referens1">How Many Fixtures Can Be Connected to One DMX Line? 🔌</a>
 </li>
 <li>
 <a href="#referens2">How to Distribute the Load Correctly 🛠️</a>
 </li>
 <li>
 <a href="#referens3">Example Diagram for 100+ Fixtures 📊</a>
 </li>
 <li>
 <a href="#referens4">What to Consider During Design 🧠</a>
 </li>
 <li>
 <a href="#referens5">Opinion of the Sundrax Engineer 💬</a>
 </li>
</ol></div>

Tables of Contents

According to the DMX512 standard:<ul style="list-style-type:disc;"><li>Maximum: 32 fixtures on one line (without active repeaters)</li><li>Maximum line length: up to 300 meters (1,000 feet) Exceeding these parameters may cause signal distortion or loss. ⚠️ Therefore, in installations with dozens or hundreds of fixtures, it is essential to use <a href="https://entertainment.sundrax.com/blog/all-about-dmx-splitters">splitters and DMX repeaters</a>.</li></ul>

Splitter Selective Pro distributing DMX signals to multiple lines 

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<div class="raw-html-embed"><h2 id="referens1">
 How Many Fixtures Can Be Connected to One DMX Line? 🔌
</h2></div>

Using splitters allows you to:<ul style="list-style-type:disc;"><li>Divide the network into independent physical segments</li><li>Protect the network with galvanic isolation</li><li>Simplify maintenance and troubleshooting Example: For 120 fixtures, you can use 1 controller + 2 splitters with 4 outputs each, with each output handling a line of 15 fixtures. This creates 8 separate lines, each with 15 fixtures. ✅</li></ul>

Diagram of a DMX network layout for over 100 fixtures 

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<div class="raw-html-embed"><h3 id="referens2">
 How to Distribute the Load Correctly 🛠️
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DMX Controller (2 outputs)&nbsp;└── Splitter Selective Pro (8 outputs)&nbsp;├── Line 1 → 15 fixtures&nbsp;├── Line 2 → 15 fixtures&nbsp;├── Line 3 → 12 fixtures&nbsp;├── …&nbsp;└── Line 8 → 10 fixtures&nbsp;Each line must be terminated with a termination resistor. 🔧

Termination resistor at the end of a DMX line 

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Splitter Selective Pro

<div class="raw-html-embed"><h3 id="referens3">
Example Diagram for 100+ Fixtures 📊
</h3></div>

<ul style="list-style-type:disc;"><li>Plan the address space in advance: each DMX universe has 512 channels, which can be quickly exhausted with multi-channel fixtures.</li><li>Isolate lines with powerful equipment (<a href="https://entertainment.sundrax.com/products/category/dimmers">Dimmers</a>, <a href="https://entertainment.sundrax.com/products/category/converters">Converters</a>).</li><li>Use high-quality DMX cables with an impedance of 110 Ohms.</li><li>Apply galvanic isolation on all branches.</li><li>Route power and signal through separate paths. ⚠️</li></ul>

Galvanic isolation in a DMX splitter for network protection 

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<div class="raw-html-embed"><h3 id="referens4">
What to Consider During Design 🧠
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<blockquote>The most common mistake in large projects is attempting to connect 70 fixtures to a single line. This almost always results in unstable operation. With proper distribution through <a href="https://entertainment.sundrax.com/products/category/splitters">DMX splitters</a> and repeaters, the network operates reliably and is managed without issues. ✅</blockquote>If you are designing a large installation — whether architectural, stage, or show — Sundrax engineers will help calculate the signal distribution scheme and select the necessary equipment.&nbsp;🌐 Request a consultation: <a href="https://entertainment.sundrax.com/contacts">Contact Us</a>

<div class="raw-html-embed"><h2 id="referens5">
Opinion of the Sundrax Engineer 💬
</h2></div>

As the number of fixtures in DMX networks increases, the load on the line grows, raising the risk of failures and signal loss. Incorrect distribution can lead to erratic operation or complete equipment failure. We consulted with an engineer from Sundrax Alex Chomsky to learn how to properly design a DMX network for large-scale projects. ✅

DMX controller with multiple outputs for large lighting setups 

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As the number of fixtures in DMX networks increases, the load on the line grows, raising the risk of failures and signal loss. Incorrect distribution can lead to erratic operation or complete equipment failure. We consulted with an engineer from Sundrax Alex Chomsky to learn how to properly design a DMX network for large-scale projects.

DMX Connection Diagram

The Splitter Selective Pro is a two-channel DMX512 signal distributor with full RDM protocol support and represents an effective solution for controlling lighting equipment that uses the DMX512 standard.The device features 2 input and 9 output DMX ports and can operate in single or dual-channel mode, distributing one or two independent DMX streams respectively. In single-channel mode, the DMX stream from the first input port (A) can be distributed to 10 output ports. In dual-channel mode, DMX streams from 2 input ports (A and B) can each be distributed to 9 output ports with the ability to select the input signal source for each output port.Splitter Selective Pro has intelligent indication, displaying the presence and dynamics of the DMX stream separately for channels A and B, as well as the presence of RDM interface signals (ANSI E1.20). The distributor provides automatic detection of operating modes.The device is designed in a case for installation in a 19-inch rack, occupying only one rack unit (1U).&nbsp;<ul style="list-style-type:disc;"><li>5000V galvanic isolation on all ports with TVS diode protection</li><li>Zero-latency signal processing to prevent timing desynchronization</li><li>Standard 1U rack mount design (482 x 44 x 110 mm)</li><li>PowerCON TRUE1 power connector with universal AC input (100V-277V, 50/60Hz)</li><li>Optional DC power (9V-36V) for mobile applications</li><li>Available with XLR5, XLR3 connector configurations</li></ul>The Splitter Selective Pro can be used at positive temperatures in indoor and covered outdoor venues.

Splitter Selective Pro rear panel showing XLR connectors, toggle switches for operating modes, and PowerCON TRUE1 power connector

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Splitter Selective Pro. Professional DMX Splitter with RDM Support

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Splitter Selective Pro front panel with LED indicators and toggle switches for DMX channel assignment

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Close-up of Splitter Selective Pro intelligent LED indicators showing different status signals for DMX data transmission and RDM frame detection

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Professional Remote Device Management Converter

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Splitter Selective Pro, (3-pin)

Splitter Selective Pro, (5-pin)

Rack mountable professional, dual-channel DMX512 splitter/booster with full RDM protocol support

Physical Parameters

Power and Consumption

Physical Characteristics

Data Transmission Protocols

Inputs / Outputs

Setup / Indicators

Package Contents

How to Distribute the Signal in a DMX Network for 100+ Fixtures: Diagram, Calculations, and Recommendations 🌟

#ki-net

How to Distribute the Signal in a DMX Network for 100+ Fixtures: Diagram, Calculations, and Recommendations 🌟