Crestron PRO3 3-Series Advanced Control Processor

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Crestron PRO3 — Overview & Technical Specs

The Crestron PRO3 is a high-performance, enterprise-grade control processor (now officially discontinued) that powers advanced AV and building automation systems.

Key Features:

• 3-Series Control Engine: A real-time, multithreading architecture that supports up to ten simultaneous programs, enabling responsive, reliable automation.

• Memory & Storage:

  • 1 GB SDRAM

  • 4 GB Flash

  • Expandable via SD/SDHC cards (up to 32 GB) and USB mass storage (up to 1 TB)

• Networking:

  • Dual Gigabit Ethernet: one for LAN and one dedicated Control Subnet, allowing auto-configuration of Crestron devices like touchscreens and gateways

  • Advanced network protocols: DHCP, SSL/TLS, SNMP, IPv6, Active Directory authentication, BACnet/IP gateway, and embedded IIS web server

• Connectivity Ports:

  • 6 × Bidirectional COM ports (RS-232/422/485)

  • 8 × IR/Serial outputs

  • 8 × Relay outputs (1A, 30 V AC/DC)

  • 8 × “Versiport” I/O ports (digital, analog, or dry contact)

  • Cresnet master port for low-voltage control wiring

• Modular Expansion:

  • Three rear-mounted 3-Series control card expansion slots, enabling further customization with additional interface cards

• Front-Panel Interface:

  • Color LCD (2.8″, 320×240)

  • Navigation buttons and system status LEDs for configuration and diagnostics without needing a PC

• Automation & Monitoring Integration:

  • Native support for Crestron Fusion Cloud for centralized facility management

  • SNMP integration for IT-friendly system monitoring

  • Virtual control via XPanel and mobile apps like Crestron Home