Dahua NVR21-S2 SERIES

19
RS485
port
One RS485 port to control PTZ. Support various protocols.
USB2.0
Port
Three peripheral USB2.0 ports.
Network
Connecti
on
1 RJ45 10/100/1000Mbps self-adaptive Ethernet port.
Power
Port
One power port, power adapter. Input DC 12V.
Power
Button
One button. At the rear panel.
Power
On-off
Button
One button. At the front-panel.
IR
Receiver
Window
Support IR remote control
Clock
Built-in clock.
Indicator
Light
One power status indicator light.
One network status indicator light.
One HDD status indicator light.
General
Power
Consump
tion
＜30W(No HDD)
Working
Temperat
ure
-10℃～+55℃
Working
Humidity
10℅－90℅
Air
pressure
86kpa－106kpa
Dimensio
n
375mm×287mm×52mm
Weight
1.5kg～2.5kg（No HDD）
Installatio
n
Desk installation
1.3.10 NVR42/42-P/42-8P Series
Model
42 Series
42-P Series
42-8P Series
System
System
Resource
s
4/8/16/32-channel series product support 4/8/16/32-channel HD connection
respectively. Main stream bandwidth supports 40/80/160/160Mbps
respectively.