496
8 Appendix A HDD Capacity Calculation
Calculate total capacity needed by each device according to video recording (video recording type and
video file storage time).
Step 1: According to Formula (1) to calculate storage capacity
i
q
that is the capacity of each channel
needed for each hour, unit Mbyte.
1024
3600
8
i
i
d
q
(1)
In the formula:
i
d
means the bit rate, unit Kbit/s
Step 2: After video time requirement is confirmed, according to Formula (2) to calculate the storage
capacity
i
m
, which is storage of each channel needed unit Mbyte.
i
m
=
i
q
×
i
h
×
i
D
(2)
In the formula:
i
h
means the recording time for each day (hour)
i
D
means number of days for which the video shall be kept
Step 3: According to Formula (3) to calculate total capacity (accumulation)
T
q
that is needed for all
channels in the device during
scheduled video recording
.
c
i
i
T
m
q
1
(3)
In the formula:
c
means total number of channels in one device
Step 4: According to Formula (4) to calculate total capacity (accumulation)
T
q
that is needed for all
channels in device during
alarm video recording (including motion detection)
.
c
i
i
T
m
q
1
×
a%
(4)
In the formula
：
a%
means alarm occurrence rate
Содержание NVR-ELE4ME-WS
Страница 1: ...1080p Resolution 1yr Warranty Motion Activated Recording PTZ Control View From Anywhere NVR ELE4ME WS...
Страница 33: ...163 Figure 3 3 3 5 4 Compact 1U Series Please refer to Figure 3 4 for connection sample...
Страница 34: ...164 Figure 3 4 3 5 5 Compact 1U Wireless Series Please refer to Figure 3 5 for connection sample...
Страница 43: ...173 Figure 3 16 3 5 17 Professional 1 5U Series Please refer to Figure 3 17 for connection sample...
Страница 45: ...175 Figure 3 18 3 5 19 Professional 2U Series Please refer to Figure 3 19 for connection sample...
Страница 47: ...177 Figure 3 20 3 5 21 Professional 2U with RAID series Please refer to Figure 3 21 for connection sample...
Страница 48: ...178 Figure 3 21 3 5 22 Professional 3U Series Please refer to Figure 3 22 for connection sample...
Страница 50: ...180 Figure 3 23 3 5 24 Beneficio Vertical 1U Series Please refer to Figure 3 24 for connection sample...
Страница 51: ...181 Figure 3 24...
Страница 63: ...193 Figure 4 14 Figure 4 15 Step 2 Set network camera login password WARNING...
Страница 71: ...201 Figure 4 24 Step 2 Click device display edit interface See Figure 4 25...
Страница 148: ...278 Figure 4 114 Figure 4 115...
Страница 159: ...289 Figure 4 126 Figure 4 127...
Страница 161: ...291 Figure 4 129 Click draw button to draw the zone See Figure 4 130...
Страница 165: ...295 Figure 4 133 Click Draw button to draw a zone See Figure 4 134 Figure 4 134...
Страница 170: ...300 Figure 4 139 Click draw button to draw the zone See Figure 4 140...
Страница 183: ...313 Figure 4 151 Figure 4 152...
Страница 184: ...314 Figure 4 153 Figure 4 154...
Страница 214: ...344 Figure 4 189 In Figure 4 189 click one HDD item the S M A R T interface is shown as in Figure 4 190 Figure 4 190...
Страница 250: ...380 Figure 4 236...
Страница 294: ...424 Figure 5 60 Figure 5 61...
Страница 295: ...425 Figure 5 62 Figure 5 63...
Страница 319: ...449 Figure 5 97 Figure 5 98...
Страница 322: ...452 Figure 5 101 Figure 5 102...
