... Camera 3,1/4' SONY CCD Sony CCD IP CCTV Camera7" Casing Mpeg4 IR IP Constant Speed Dome Camera, 1/4' SONY ... /100 Based-T EthernetSupported ProtocolsDDNS, PPPoE, DHCP, NTP, SNTP, TCP/IP, ICMP, SMTP, FTP, HTTP, RTPMobile SurveillanceSupport Symbian s60 v3.0 ... .0Vp-p (75Ω)Control ModeRS-485/ TTL(by wire) /Side Board ButtonCommunication ProtocolPelco-D, Pelco-P etc (1200bps, 2400bps, 4800bps, 9600bps ...