Dahua NVR21-S2 SERIES

31
Functions
Record Mode
Manual recording, motion detection recording, schedule
recording and alarm recording.
Priority: Manual recording>card number recording-> alarm
recording>motion detection recording>schedule recording.
Multi-Channel
Playback
Max support 16-channel 1080P playback at the same time.
Motion Detect
Each screen supports 396/330((PAL 22×18, NTSC 22×1 5)
detection zones. Various sensitivity levels.
Privacy Mask
Each channel supports 4 privacy mask zones.
Record Mode
Overwrite
Backup Mode
Flash disk, eSATA, DVD burner.
Network
Function
Network Protocol
IPv4/IPv6/HTTP/UPnP/NTP/SADP/SNMP/PPPoE/DNS/FTP/
ONVIF(Version 2.4)/PSIA
SATA Port
8 SATA Ports
eSATA Port
1 eSATA port
RS232 Port
1 RS232 port. To debug and transmit COM data.
RS485 Port
1 RS485 port. To control peripheral PTZ and etc. Support
various protocols.
USB Port
2 USB 2.0 ports at the front panel and 2 USB3.0 ports at the
rear panel.
HDMI Port
2 HDMI ports
Network Port
2 RJ45 10/100/1000Mbps self-adaptive Ethernet ports
Power Port
One power socket. Power adapter power supplying. Input AC
100V~240V, 50Hz~60Hz.
Power On-off
Button
One at the rear panel.
Indicator Light
4 indicator lights.
 1 system running status indicator light
 1 HDD indicator light
 1 network status indicator light
 1 power status indicator light
General
Parameters
Power
AC90~264V
Power
Consumption
General series: 16.7W（No HDD）
16 PoE series: 17.5W（No HDD）
Working
Temperature
-10℃～55℃
Working Humidity
10%～90%（No condensation）
Dimensions (W×
H×D)
439.7×95×450.8mm
Weight (No HDD)
General series:6.55Kg,
PoE series: 7Kg.
Installation Mode
Rack/desktop
1.3.17 NVR48/48-16P Series