DVR systems DVRxx04HF-A Series - Manual (Page 18)

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Multiple devices share information via corresponding software such as
professional surveillance software (PSS)
Duplex transparent COM
Network alarm input and output
Bidirectional audio.
Motion
Detection Zone setup: support 396((PAL 22×18, NTSC 22×15)) detection zones.
Various sensitivity levels.
Alarm can activate record or external alarm or screen message prompt.
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
Support analog alarm signal to specific alarm output channel.
Alarm Input
4-ch alarm input（You
can set normal open or
normal close type to
select the alarm type. ） 8-ch alarm input（You
can set normal open or
normal close type to
select the alarm type. ） 16-ch alarm input
（
You can set
normal open or
normal close
type to select the
alarm type. ）
Alarm
Output 6-channel relay output, including one controllable DC +12V output port.
Motion
Detection and
Alarm
Alarm Relay 30V DC 2A，125V AC 1A（activation alarm ）
USB
Interface
2 USB 2.0 ports.
Network
connection RJ45 10M/100M/1000M self-adaptable Ethernet port
RS485
PTZ control port
Support various PTZ control protocols.
Interface
RS232
Ordinary COM (Debug),keyboard connection and transparent serial
port(COM input and output via network )
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.
System
Information
On-line user Display current on-line user
Multi-lever user management; various management modes
Integrated management for local user, serial port user and network user.
Configurable user power.
User
Manageme
nt
Support user /group and its corresponding rights modification.
No limit to the user or group amount.
Password modification
Administrator can modify other user’s password.
User
Management
Password
Authenticati
on
Account lock strategy
Five times login failure in thirty minutes may result in account lock.
Upgrade Web browser, client-end and update tool.
Password login protection to guarantee safety
User-friendly interface when login. Provide the following options: Logout
/shutdown/ restart.
Login, Logout and Shutdown
Right authentication when shut down to make sure only those proper
people can turn off DVR
Power AC90~264V 50+2% Hz （Max 75W）