User Manual of DVR-1670B
Page 97
Appendix C Specifications
Model name
DVR-470B
DVR-870B
DVR-1670B
Video
compression
H.264
Preview
resolution
PAL: 704*576 (4CIF), NTSC: 704*480 (4CIF)
Playback
resolution
CIF/QCIF
Video input
4
8
16
Video
input
interface
BNC (Electrical Level: 1.0Vp-p, resistance: 75
Ω
)
Video output
1 channel, BNC (Electrical Level: 1.0Vp-p, resistance: 75
Ω
)
Video loop out
4
8
16
Total frame rate
PAL: 100FPS
NTSC: 120FPS
PAL: 100FPS
NTSC: 120FPS
PAL: 200FPS
NTSC: 240FPS
Stream type
Video/Video&Audio
Video
Video
Max bit rate
32Kbps--2Mbps, self-define
Audio input
4
--
4
Audio
input
interface
RCA (Linear Electrical
Level, Resistance: 600
Ω
)
--
RCA (Linear Electrical
Level, Resistance: 600
Ω
)
Audio output
1 channel, RCA (Linear
Electrical Level, Resistance:
600
Ω
)
--
1 channel, RCA (Linear
Electrical Level, Resistance:
600
Ω
)
Audio
compression
OggVorbis
--
OggVorbis
Audio
compression rate
16Kbps
--
16Kbps
Communication
interface
1 RJ45 10M/100M Self-adaptive Ethernet Interface
1 RS232 interface
1 RS485 interface
HDD
IDE
interface
2 IDE interface, can support 4 IDE HDD and each HDD can support 2000GB or 2 HDD +
IDE CD-RW/DVD-RW
USB interface
1 USB interface, USB1.1, can support USB flash memory, USB HDD, USB
CD-RW/DVD-RW.
VGA interface
1 VGA interface, support resolution: 800
×
600/60Hz, 800
×
600/75Hz, 1024
×
768/60Hz
External alarm in
4
8
16