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2.7. Additional functions
2.7.1. Cold start
The most critical moment in the operation of the video camera is the
process of its activation at low ambient temperature. Precisely a cold start
can cause the failure of an expensive video camera. To avoid such cases,
unit PSW-2G+ is implemented with preheating of TFortis TH camera
housings. The essence of it is that after power is applied to the unit, initially
will be powered heating elements of camera housings, and only then in 1
hour, the video camera itself. This delay allows obtaining comfortable
conditions for starting video cameras and you will be able to save
expensive equipment. Option Comfort Start is available via WEB-interface
in the section Special Function.
2.7.2. Restart of video cameras at their hanging
The PSW-2G+ constantly monitors the connection of the video camera to
the switch. There are three ways to de
termine the camera’s hanging:
1.
No connection to the video camera (Link)
2.
No response to service requests (Ping)
3.
Reducing the flow from the camera (Speed)
Video camera restart over the Link signal.
The PSW-2G+ switch constantly (1 time per minute) monitors the Link
signal from the IP camera. If the switch does not detect the Link signal, then
it starts a one-minute timer, when it ends, the connection is reconnected. If
the Link signal does not appear, the PSW-2G+ removes power for 10
seconds and resets it, rebooting the camera. This mechanism can be
described in other words. If the switch has not seen the Link signal from the
video camera twice in a row with a 1-minute interval, then it reboots it.
Option Auto Restart is available via WEB-interface in the section Special
Function.
Video camera restart when there is no response to Ping.
The PSW-2G+ switch constantly (1 time per minute) polls the IP camera. If
the switch does not receive a response, then starts a one-minute timer,
during which the poll is repeated every 10 seconds. If the video camera
does not response within a minute, the PSW-2G+ removes power for 10
seconds and resets it, rebooting the camera. If the camera has responded
at least once, the switch decides that the camera is functioning properly and
will start the poll cycle once again, referring to the camera 1 time per
minute. Option Auto Restart is available via WEB-interface in the section
Special Function. To use this mechanism, you will need to enter the IP
