Dahua nvr4208-8p User Manual

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Please highlight icon to select the corresponding function.
After all the setups please click OK button, system goes back to the previous menu.
Warning!
After you use default function, some your customized setup may lose forever! Please think twice before
you begin the operation!
Figure 4-182
4.17.7 RS232
From Main menu->Setting->System->RS232, RS232 interface is shown as below. There are five items.
See Figure 4-183.
 Function: There are various devices for you to select. Console is for you to use the COM or mini-end
software to upgrade or debug the program. The control keyboard is for you to control the device via
the special keyboard. Transparent COM (adapter) is to connect to the PC to transfer data directly.
Protocol COM is for card overlay function. Network keyboard is for you to use the special keyboard
to control the device. PTZ matrix is to connect to the peripheral matrix control.
 Baud rate: You can select proper baud rate.
 Data bit: You can select proper data bit. The value ranges from 5 to 8.
 Stop bit: There are three values: 1/1.5/2.
 Parity: there are five choices: none/odd/even/space mark.
System default setup is:
 Function: Console
 Baud rate:115200
 Data bit:8
 Stop bit:1

Dahua nvr4208-8p Specifications

General

Operating System	Embedded LINUX
IP Camera Input	8 channel
Two-way Talk	1 channel Input, 1 channel Output, RCA
Interface	1 HDMI, 1 VGA
OSD	Camera title, Time, Video loss, Camera lock, Motion detection, Recording
Record Interval	1 ~ 120 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec
Ethernet	1 RJ-45 Port (10/100/1000Mbps)
Max. User Access	128 users
Smart Phone	iPhone, iPad, Android
HDD Bays	1
Operating Temperature	-10°C ~ +55°C (+14°F ~ +131°F)
Main Processor	Dual-core embedded processor
Multi-screen Display	1/4/9
Video Detection and Alarm	Motion Detection, MD Zones: 396 (22 x 18), Video Loss, Camera Blank
Alarm input	4
Relay Output	2
Compression	H.265, H.264
Recording Resolution	Up to 8MP
Record Mode	Manual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Camera Blank, Video Loss)
PoE	8 ports (IEEE802.3af/at)
Protocols	HTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search (Support Dahua IP camera, DVR, NVS, etc.)
USB Interface	2 USB2.0
Power Supply	AC 100~240V, 50/60 Hz
Power Consumption	NVR: <10W (without HDD), PoE: Max 25.5W for single port, 130W total
Operating Humidity	10%~90% RH