Smart I/O Network Controller GR version: Supports GSM netowrk EWR version: Suppots WIFI and Ethernet
Model	USR-IO808		USR-IO424T
	USR-IO808-EWR	USR-IO808-GR	USR-IO424T-GR	USR-IO424T-EWR	USR-IO424T-GR-I	USR-IO424T-EWR-I
Photo
DI(input interface)	8	8	4	4	4	4
DO(Output interface)	8	8	4	4	4	4
Voltage collection	/	/	2	2	0	0
Current collection	/	/	/	/	2	2
Temperature collection	/	/	√	√	√	√
RS485	√	√	√	√	√	√
Routing functions	√	/	/	√	/	√