EX9188END-MTCP Support 1/2/3/4/5/8 RS232/485 devicesEthernet port for TCP/IP features TCP, UDP, IP, ICMP, ARP, RARPCOM1 Can be used to download program and can be RS232 portDual Watchdog support for system recovery CPU 80188, 40MHZ SRAM 512KB FLASH ROM 512KB EEPROM 2KB ..