... Network DVR Digital Video Recorder 1) LAN 2) VGA 3) PTZ: RS485 4) 1 SATA interface Embedded Linux 8-CH Network ... CCTV DVR Digital Video Recorder withDual USB/LAN/VGA/RS485/Video/Audio Features: ... 9- PTZ: RS485- 10/100M RJ45 port- Network functions: TCP/IP,UDP,DHCP,DNS,IPFilter,PPPOE, ... ,FTP,Email,UPNP,Alarm Server,ARSP- 2 USB interfaces, one for mouse,one for backup- ...