| Model
Item
|
VS-EC-D21S
|
VS-EC-D14S
|
| System
|
| Processor
|
TI DaVinci high-performance DSP
|
| Operating system
|
Embedded Linux
|
| Video encoding
|
H.264/MPEG4/JPEG
|
| System resources
|
Real-time network surveillance, local recording, and remote operation
|
| User interface
|
Local GUI (TV output), and remote operation interface, such as web, PSS, DSS
|
| System status
|
SD cards, code stream statistics, log records, software versions, and online users
|
| Video
|
| Video input
|
1 channel BNC（1.0Vp-p,75Ω）
|
4 channel BNC（1.0Vp-p,77Ω）
|
| Video output
|
1-channel analog or digital video output
BNC（1.0Vp-p,75Ω）
OSD menu control
|
| Video system
|
PAL(625Line,50f/s),NTSC(525Line,60f/s)
|
| Video compression
|
H.264/MPEG4/JPEG
|
| Compression bit rate
|
D1, HD1, CIF, or QCIF
|
| Snapshot
|
1 fps snapshot in JPEG format
|
| Lens adjustment
|
Adjustable image attributes, including brightness, saturation, and contrast
|
| Digital watermark
|
Watermark enabled during video encoding, preventing falsification
|
| Video information
|
Channel title, time, video loss, dynamic detection, and lens block detection
|
| Block detection
|
8 blocked areas for each channel
|
| Audio
|
| Audio input
|
1-channel,BNC(1.0Vp-p,75ohms)
|
4-channel,BNC(1.0Vp-p,77ohms)
|
| Audio output
|
1-channel 3.5 mm JACK LINE OUT
|
| Intercom input
|
1-channel 3.5 mm JACK LINE IN
|
| Audio compression
|
G.711a, AMR, or PCM
|
| Storage Management
|
| Storage type
|
SD card
|
| Maximum disks
|
No
|
| Total capacity
|
16G
|
| Alarm and Video Detection
|
| Alarm input
|
4-channel alarm input
|
| Alarm output
|
2-channel alarm output, 30 V DC, 1 A, NO/NC
|
| Motion detection
|
Maximum monitored sections per image: 396 (22 x 18)
Sensitivity level: 1–6 (ascending)
Linkage event: alarm device, audio and video storage, image capture, log record, and email sending using SMTP
|
| Video loss
|
Linkage event: alarm device, audio and video storage, image capture, log record, and email sending using SMTP
|
| Privacy mask
|
Sensitivity level: 1–6
Each sensitivity level maps a percentage of shadowed area.
Linkage event: alarm device, audio and video storage, image capture, log record, and email sending using SMTP
|
| Connection
|
| Network port
|
Wireless: 10/100 Base-T Ethernet port
|
| Protocol
|
HTTP, TCP/IP, ICMP, RTSP, RTP, UDP, RTCP, SMTP, FTP, DHCP, DNS, DDNS, and PPPoE
|
| RS-232
|
1-channel RS-232 interface, multi-core row-shaped plug, and full-duplex synchronization
|
| RS-485
|
1-channel RS-485 interface, supporting PTZ control and transparent channel connection
|
| Recording and Backup
|
| Recording priority
|
Manual > Alarm > Dynamic detection > Auto
|
| Recording query mode
|
Local or remote recording query by time, date, and type (alarm, dynamic detection, and external alarm)
|
| Local storage
|
SD card storage
|
| Recording overwriting policy
|
Marked recordings will not be overwritten.
|
| Storage management
|
Alarms generated when an SD card error occurs
|
| General
|
| Power supply
|
Power adapter: 12V DC
|
| Power consumption
|
< 5W
|
| Working temperature
|
-10℃~+50℃
|
| Relative humidity
|
10%~90%
|
| Dimensions(mm)
|
162×136×30(W×D×H)
|
| Weight (kg)
|
1.0
|
