| Model
|
VS-EC-H21S
|
| Video/Audio Input
|
| Video
Compression
|
Standard H.264
|
| Video input
|
1-channel, BNC (1.0 Vp-p, 75 ohms)
|
| Audio
Compression
|
OggVorbis
|
| Audio input
|
1-channel, BNC (2.0 Vp-p, 1000 ohms)
|
| Voice talk input
|
1-channel, 3.5 mm audio interface (2.0 Vp-p, 1000 ohms)
|
| Video/Audio Output
|
| Audio
output
|
1-channel, 3.5 mm audio interface (2.0 Vp-p, 1000 ohms)
|
| Recording
resolution
|
QCIF/CIF/2CIF/4CIF
|
| Frame rate
|
PAL:1fps~25fps,NTSC:1fps~30fps
|
| Video bit rate
|
32Kbps~2048Kbps, or user-defined (Max. 3072Kbps)
|
| Audio bit rate
|
64kbit/s
|
| Dual Stream
|
Supported
|
| Stream Type
|
Video/Video & Audio
|
| External Interface
|
| Network interface
|
1RJ-45 10 M/100 Mbit/s self-adaptive UTP Ethernet interface
|
| Serial interface
|
1 RS-485 interface (PTZ control), 1 RS-232 interface (parameter settings, device maintenance, and transparent channel)
|
| Alarm in
|
4
|
| Alarm out
|
2
|
| Others
|
| Power supply
|
12 V DC
|
| Consumption
|
≤ 8 W
|
| Working
temperature
|
-10℃~+55℃
|
| Working
humidity
|
10%~90%
|
| Chassis
|
1U, with Reset button provided on rear panel
|
| Dimensions(mm)
|
200.5×136×42(W×D×H)
|
| Weight
|
≤ 2kg
|