Dahua HCVR5204A Series, Руководство пользователя, Страница: 19 / 268

10
Video Loss Alarm can activate external alarm or screen message prompt.
External Alarm Support record activation function or activate external alarm or screen
message in specified period.
Manual Alarm
Control
Enable or disable alarm input channel
Simulate alarm signal to specific alarm output channel.
Alarm Input
4-ch alarm input
（
NO/NC
）
8-ch alarm input
（
NO/NC
）
16-ch alarm input
（
NO/NC
）
Alarm Output 3-channel relay output.
Alarm Relay 30VDC 2A
，
125VAC 1A
（
activation alarm
）
Interface
USB Interface 2 USB 2.0 ports.
Network
connection
1 RJ45 10M/100M/1000M self-adaptable Ethernet port
RS485
1 RS485 port. PTZ control port
Support various PTZ control protocols.
RS232
Ordinary COM (Debug),keyboard connection and transparent serial
port(COM input and output via network )
RS422
RS422 port
System
Information
Hard Disk
Information
Display HDD current status
Data Stream
Statistics
Data stream statistics for each channel (in wave mode)
Log statistics
Backup to 1024 log files.
Support various search engines such as time and type.
Version
Display version information: channel amount, alarm input and output
amount, system version and release date.
On-line user Display current on-line user
User
Management
User
Management
Multi-lever user management; various management modes
Integrated management for local user, serial port user and network
user.
Configurable user power.
Support user /group and its corresponding rights modification.
No limit to the user or group amount.
Password
Authentication
Password modification
Administrator can modify other user’s password.
Account lock strategy
Five times login failure in thirty minutes may result in account lock.
Upgrade Web browser, client-end and update tool.
Login, Logout and Shutdown
Password login protection to guarantee safety
User-friendly interface when login. Provide the following options:
Logout /shutdown/ restart.