... support adjusting video frame rate automatically according to network bandwidth.7.Multiple network protocol -TCP/IP,HTTP,FTP,NTP,RTP ... input / outputExternal alarm input and output sensor ( in developing)Network Port10-100M Ethernet RJ45 portNetwork ProtocolTCP/IP, HTTP, FTP, ... ARP, ICMP, SMTP, POP3, DNS and RTCPPTZ ControlRS485 Serial Port. Pelco-D/PPoEOptional, Support built-in 802.3af Compliant POESD ...