Honeywell JACE-91250 Technical Specifications General Information Manufacturer: Honeywell (Tridium Niagara Framework) Model: JACE-91250 Type: Advanced Building Automation Controller Primary Use: HVAC, lighting, security, and energy management integration Hardware Specifications Processor & Memory CPU: Quad-core ARM Cortex-A9 @ 1.0 GHz RAM: 2 GB DDR3 Flash Storage: 8 GB eMMC (expandable via microSD) Communication Ports Ethernet: 2× 10/100/1000 Mbps (RJ45) Serial Ports: 2× RS-485 (for BACnet MS/TP, Modbus RTU, etc.) USB: 2× USB 2.0 (for configuration/drivers) Wireless: Optional Wi-Fi/4G LTE module Expansion & I/O Slot for Expansion Modules: Supports Honeywell I/O modules (e.g., analog/digital) Max Supported Points: ~100,000 (software-dependent) Software & Protocols Operating System: Embedded Linux (Niagara 4 Framework) Supported Protocols: BACnet (IP & MS/TP) Modbus (TCP/RTU) LonWorks (optional) OPC UA/DA MQTT (for IoT/cloud connectivity) SNMP (network monitoring) Performance & Capacity Concurrent Users: Supports 50+ simultaneous connections Alarm Capacity: 50,000+ alarms Database Storage: 5+ years of trend data (configurable) Power & Environmental Power Supply: 24V AC/DC or PoE+ (Power over Ethernet) Power Consumption: 15W (typical) Operating Temperature: -40°C to +70°C (-40°F to +158°F) Humidity: 10–90% non-condensing Ingress Protection: IP30 (indoor use) Certifications & Compliance UL 916 (Energy Management) CE, FCC, RoHS BACnet BTL Listed Cybersecurity: TLS 1.2/1.3, role-based access Key Features ✔ High-performance edge controller for large-scale BMS ✔ Multi-protocol integration (legacy & modern systems) ✔ Cybersecurity hardened (SSL encryption, secure boot) ✔ Cloud-ready (Niagara Edge-to-Cloud) Typical Applications: Smart buildings Data centers Industrial automation