● Support VPN(PPTP, L2TP, IPSec, OpenVPN,GRE)
● 1.5KV network isolation transformer protection
● Static IEC61000-4-2, level 2
● Pulsed Electric Field IEC61000-4-4, level 2
● Surge IEC61000-4-5, level 2
● Hardware Watchdog
● SupportsSMS,SMTP,NAT,DDNS,PPPOE,DHCP,Static IP
● Supports email alarm,SMS alarm, abnormal alarm push in time
● Extensive interfaces including 4 Ethernet ports, serial port R232/RS485(alternative) , USB, 2*DI , 2*DO, Wi-Fi