9823GP - 4 x Relay, 4 x DI, 2x DI-Counter, 4x DO F...
9823GP - 4 x Relay, 4 x DI, 2x DI-Counter, 4x DO Frequency/PWM
Embedded Web server, UPNP , DDNS , Telnet , SNMP. Modbus to Modbus TCP gateway , NTP server , SMTP server
Support most of ethernet protocal : DHCP,UDP/TCP/IP,HTTP