User manual

3.3.7 Camera Startup Sequence
As soon as the camera's power supply has been established, the 4LEDs (behind
the PIR cover of the camera) will show the progress of the starting sequence:
• Hardware test: After the power has been connected, the LEDs 1 and 5 will
light up for about two seconds. The camera's computer (boot loader) checks
the camera hardware.
• Backup system test: The camera checks the operating system. In case of
an error, the camera will start using the backup operating system, allowing
you to re-install the system software.
• Unpacking the OS: The boot loader unpacks the operating system from the
Flash EPROM and copies it to the camera's memory (the LEDs 1 and 5 light
up for about 15 seconds).
• Starting the OS: The LINUX operating system unpacks its data to the ram-
disk and initializes the system. All operating system components are verified
against their checksums in order to detect changes. In case of an error, the
camera will start using the backup operating system instead.
• Boot mode (factory IP address/DHCP): If the magnetic side of the supplied
custom tool is pressed to the spot marked L, the camera starts either using
its factory default IP address (all LEDs light up, see section 3.6,
Starting the
Camera Using the Factory IP Address
) or with DHCP support (LEDs 0 and 5
light up, see section 3.5,
Starting the Camera With an Automatic IP Address
(DHCP)
).
• Starting the applications: Once the application software is running, the
LEDs 1 and 5 start blinking and LED 0 burns continuously (provided the LEDs
have not been switched off for this configuration). You can now access the
camera using a web browser.
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D12 Camera Manual Part 1
Note
During the startup sequence, the LEDs will always light up, even if they
have been deactivated in Admin Menu> LED Setup.
Microphone
"L" key
Hardware Test
Backup System
Test
Unpacking/
Starting OS
Factory IP Ad-
dress
DHCP
Ready
Signals of the camera
LEDs:
0 On
1 Camera
2 Network
5 Camera