Dahua NVR4204-P-4KS2 User Manual page 45

Network video recorder
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Window
Split
Audio
Audio
Input
Audio
Output
Audio
Compres
sion
Alarm
Alarm
Input
Alarm
Output
Function
Storage
Multiple-c
hannel
Playback
Record
Mode
Backup
Mode
Port and
Network
Indicator
Protocol
RS232
Port
RS485
port
USB Port
Network
Connecti
on
Power
Port
Power
Button
Power
On-off
Button
IR
Receiver
Window
1/4/8/9/16/25/36-window
1-ch bidirectional talk input
1-ch bidirectional talk output
G.711a, G.711u, PCM, G726 (The bidirectional talk function supports
G.711a, G.711u, PCM only.)
4-ch alarm input
3-ch relay output
2 built-in SATA ports.
Max 64-channel D1/32-channel 720P/16-channel 1080P/4-channel 4K
playback at the same time.
Overwrite
Flash disk, DVD burner.
IPv4/IPv6/HTTP/UPnP/NTP/SADP/SNMP/PPPoE/DNS/FTP/ONVIF(Versio
n 2.4)/PSIA
One RS232 port to debug transparent COM data.
One RS485 port to control PTZ. Support various protocols.
2 peripheral USB ports: One USB2.0 at the front panel and one USB3.0 at
the rear panel.
One RJ45 10/100/1000Mbps self-adaptive Ethernet port.
One power socket. Power adapter power supplying. Input DC 12V-4A
power.
One button. At the rear panel.
N/A
N/A
30

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