Johnson Controls MS-NAE551S-2 NAE55 Metasys Network Automation Engine Control [Refurbished]

Includes one RS-232C serial port, two RS-485 ports (FC-A and FC-B), one Ethernet port, and one MS-BAT1010-0 Data Protection Battery. Supports two N2 or two BACnet MS/TP (RS-485) trunks (or one N2 trunk and one BACnet MS/TP trunk). Supports up to 100 devices on each trunk. Requires a 24 VAC power supply.

The Network Automation Engine (NAE) and Network Integration Engine (NIE) are Web-enabled, Ethernet-based, supervisory devices that monitor and control networks of field-level building automation devices, HVAC equipment, and lighting.. Johnson Controls. Johnson Controls. MS-NAE551S-2.