CA8802-S（DMX512 & RS-485 interface，signal amplifier）
CA8802-S（DMX512 & RS-485 interface，signal amplifier）
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CA8802-S DMX512 Signal Amplifier
Product Overview
This device breaks through the traditional limitation that a single RS485 interface can only connect a maximum of 32 lighting units, making it an essential core component in most professional DMX512 lighting control systems. As a multi-output optically isolated DMX512 signal amplifier, it provides full electrical ground isolation for each independent branch in a star-shaped wiring layout, which greatly reduces and suppresses common ground loop interference that affects signal stability.
At the same time, it professionally amplifies and reshapes standard DMX512 signals, repairing signal attenuation and distortion during transmission, ensuring more stable and reliable long-distance data transmission between the lighting console and connected equipment, and optimizing the overall performance of the entire control system.
Key Features
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Breaks through the 32-device connection limit of a single standard RS485 interface
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Multi-output design with built-in optical isolation technology
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Provides full electrical isolation for star-shaped wiring connections
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Effectively eliminates ground loop interference and signal transmission instability
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Amplifies and reshapes DMX512 signals for stable, long-distance and reliable transmission
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Indispensable core equipment for professional and industrial-grade DMX512 control systems
Application Scenarios
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Stage performances, live concerts, music festivals, outdoor large-scale light shows
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Theaters, bars, KTV lounges, banquet halls, professional wedding venues
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Architectural lighting, landscape lighting, cultural tourism lighting engineering projects
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Professional studios, exhibition halls, large-scale centralized lighting control systems
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Engineering sites with strong electrical interference and strict long-distance transmission requirements
Technical Parameters
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Signal Protocol: Standard digital signal, compatible with DMX512 & RS-485 interface
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Input Configuration: 1× isolated input with 1× thru output (300V AC electrical isolation)
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Channel Expansion: 8/4× galvanically isolated independent output channels
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Transmission Standard: RS-485 differential transmission (compliant with ANSI/TIA-485-A)
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Connector System: Input - XLR-3 Male (Pin 1:GND, Pin 2:Data-, Pin 3:Data+); Output - XLR-3 Female (ESD protected to IEC 61000-4-2)
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Power Supply: Universal wide voltage power supply, AC90-240V, 50/60Hz (15W max.)
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Mechanical Specification: Rack-mountable 1U standard chassis, compliant with EIA-310-D, size 484×45×140mm
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Material & Weight: Aerospace-grade aluminum alloy chassis, net weight 1.9kg
About Us
We are a professional original equipment manufacturer with independent R&D capabilities and dedicated production lines. With years of in-depth experience in stage lighting control and signal equipment, we are committed to providing stable, reliable and high-performance professional lighting products to global customers.
We have a complete integrated logistics system, enabling efficient, fast and comprehensive product delivery to meet the diverse needs of international partners.