In some elements which are marked as being in base64 format, it would be good to note in older deployed firmware versions that it is non-standard base64. Specifically, this non-standard base64 data ALWAYS has an equal sign (=) appended at the end.
The camera association of an alarm within an alarm array is stored in the system manager as an attribute called 'CameraAssoc'. You will need to query the system manager for the alarm's device attributes to determine its settings. (This also applies to other encoder attributes such as priority, polarity, severity, and so on.)
Number of Alarm Inputs
|Model||Number of inputs|
|Spectra IV IP||7|
|Spectra III||7 (Spectra III SE only)|
|NET5308T||8 (programmable), expandable to 16|
|EW5301T Wireless||3 (programmable)|
|DX8100||8, 16, 24, or 32|
Alarm Dwell Time
All 1st generation IP cameras have 'alarm dwell time'. That is if the IP camera's alarm is triggered for the 1st time, that alarm will stay activated for the 'dwell time' (by default approximately 30 seconds) before resetting the video quality to 'low'. If an additional alarm triggered during this period, the IP camera will not 'toggle' (switching video quality from 'low' to 'high'); instead it would just extend the alarm dwell time (for another 30 seconds at the point in time the 2nd alarm was triggered).
For example, three alarms were triggered. The 2nd alarm triggered 5 seconds after the 1st. At this point the dwell time would last another 30 seconds starting when the 2nd alarm was triggered (for a total or 35 seconds; assuming that another alarm does not trigger). However if another alarm triggers 7 seconds after the 2nd alarm, the dwell time would be extended for another 30 seconds; at the point in time that the 3rd alarm was triggered (12 seconds after the 1st alarm). Therefore the total dwell time would become 42 seconds.