Dahua NVR4108-P User Manual page 29

Audio
Output
Audio
Compres
sion
Alarm
Alarm
Input
Alarm
Output
Function Storage
Multiple-c
hannel
Playback
Port and RS232
Indicator Port
RS485
port
USB2.0
Port
Network
Connecti
on
Power
Port
Power
Button
Power
On-off
Button
IR
Receiver
Window
Clock
General Indicator
Light
Power
Consump
tion
Working
Temperat
ure
1-ch bidirectional talk output
G.711a
16-ch alarm input
4-ch alarm output
Relay output. Relay （DC 30V /1A，AC 125V/0.5A（Activation output） ）
Including one controllable DC +12V output.
4 built-in SATA ports. 1 external eSATA port.
Max 8-channel 720P/4-channel 1080P playback at the same time.
One RS232 port to debug transparent COM data.
One RS485 port to control PTZ. Support various protocols.
3 peripheral USB2.0 ports. Two at the front panel and one at the rear panel.
One RJ45 10/100/1000Mbps
self-adaptive Ethernet port.
One power port. Input 100-240V，50~60Hz.
One button. At the rear panel.
One button. At the front-panel.
Support IR remote control
Built-in clock.
One power status indicator light.
One network status indicator light.
One HDD status indicator light.
＜30W(Exclude HDD)
-10℃～+55℃
One RJ45 10/100/1000Mbps
self-adaptive Ethernet port.
17