Downstream (device) Interfaces:

• Physical Layer: 2-wire RS-485
• Protocol: Modbus RTU
• Baud Rate: 9600 to 38400 (selections vary with Modbus devices used)

Upstream (controller) Ethernet Interface:

• Physical Layer: 10/100 Mb Ethernet
• Protocol: BACnet IP

Upstream (controller) Serial Interface:

• Physical Layer: 2-wire RS-485
• Protocol: BACnet MS/TP
• Baud Rate: 300-115, 200, with auto-detection

Input Power Requirements:

• Supply Voltage: 9-30VDC or VAC or 5VDC
• Nominal Current Draw @ 12V: 150mA

Environmental:

• Operating Temperature: -40°C to 40°C (-40°F to 104°F)
• Relative Humidity: 5-90% RH noncondensing