Data Interfaces
Interface Type: 3.5 mm Terminal Block
GPIO: 4 × DI + 2 × DO
Serial Port: 1 × RS232 + 1 × RS485
Analog Input: 2 × 420 mA, 2 × 010 V, 2 × PT100 RTD Input
Others
Configuration Port: 1 × Type-C
LED Indicators: 1 × System, 1 × ACT
Built-in: Watchdog, Timer
Physical Characteristics
Operating Temperature: -20°C ~ 60°C (-4℉ to +140℉)
Dimensions: 93 × 70 × 22 mm (3.66 × 2.76 × 0.87 in)
Installation: Desktop, Wall Mounting, DIN Rail Mounting
https://www.milesight.com/iot/product/iot-controller/uc300