NV80XXHC-S(RW)

Available Models: 
NV8004HC-S(RW)       4 channels video and 4 channels audio Embedded DVR 
NV8008HC-S(RW)       8 channels video and 8 channels audio Embedded DVR
NV8016HC-S(RW)       16 channels video and 16 channels audio Embedded DVR
Function : 
NV8000HC-S(RW) series network disk video recorder adopts high performance embedded real-time multitask operating system (RTOS) and embedded CPU to perfectly implement all the functions needed to build a surveillance system . Burning all the software in FLASH makes system more steady and reliable .
Compression function :
☉Support max 16 channels video in . Each channel can be compressed independently in 25F/S(PAL) or 30F/S (NTSC), using H.264 algorithm . Both variable bit rate and variable fbit rate  are supported . 
☉Support max 16 channels audio inputs. Each channel can be compressed independently , using OggVorbis standard . The output bitrate is 16 kbps . 
☉The output video and audio stream can be integrated to generate the combination H.264 stream.

☉Video and audio coincide with each other from beginning to end when data is played back . Only Video stream is also available .
Support following resolution: 
☉PAL:4CIF (704*576), DCIF(528*384), 2CIF(704*288),CIF(352*288), QCIF(176*144); 
☉NTSC: 4CIF (704*480), DCIF(528*320), 2CIF(704*240),CIF(352*240), QCIF(176*120)；
☉Support multi-zone motion detection . 
☉Support position configurable OSD & LOGO. 
Notes: 
For NV80XXHC-S(RW), each channel can support CIF resolution real time. Or 2CIF/4CIF not real time.
Network Functions: 
☉Support TCP, UTP, RTP, Multicast, DHCP, etc
☉Support broad-band transmission (ADSL , ect). 
☉Streams of one or more channels , Net DVR’s running state and alarm state can be accessed through network . 
☉Net DVR’s parameters can be set through network . 
☉Support remote control of PTZ . 
☉Streams can be recorded in a remote host PC . 
☉Files in Net DVR can be downloaded to or remotely played in a remote host PC . 
☉Support Net DVR remote upgrading . 
☉PC hosts can gain direct control of Net DVR’s RS-232 or RS-485 port . 
☉Support voice talk between host in surveillance center (back end) and Net DVR (front end)
Storage Functions: 
☉Support 6 kinds of record trigger mode : Schedule mode , alarm mode, motion detection , motion detection & alarm , motion detection | alarm and all time record. 
☉Won’t lose frames when switch record files
☉Can install 8 HDD and each HDD supports 2000GBytes
☉Support hard disk sleep mode . 
☉Support FAT32 file system . 
☉Support HDD S.M.A.R.T function
☉Support cyclic and non-cyclic record mode.
☉Support USB flash disk , USB hard disk , USB CD-R/W  for backup. 
Preview & Playback Functions: 
☉Support Monitor and VGA; 
☉Support 2-channel synchronous playback;
☉Support playback fast, slow, pause, forward, backward, frame by frame, etc.
☉Support user define preview layout
PTZ control: 
☉Support Pan-Tilt-Zoom control and Preset through front, keyboard and network; 
☉Support many kinds of PTZ protocol; 
Alarm Functions: 
☉Support Motion detect alarm, switch alarm, signal lost alarm, exception alarm, etc; 
☉Support setup of alarm related with PTZ preset; 

Specification: