4 protocol interfaces, configurable as RS232, RS485, or DMX512, baud rate 1200-25600  
4 RS232 transmit-only protocol ports, supporting various common baud rates from 1200-256000  
3 input-type IO interfaces  
1 infrared transmit interface  
1 10M/100M Adaptive Network Interface
Power supply voltage: DC12-24V ,Support POE power supply (optional)