30
Figure 2-20
Icon
Note
1
，
2
，
3
，
4
，
5
，
6
，
7
，
8
，
9
，
10
，
11
，
12
，
13
，
14
，
15
，
16
ALARM 1 to ALARM 16. The alarm becomes active in low voltage.
1-ON C
，
2-ON C
，
3-ON C
，
4-ON C
，
5-ON C
，
6-ON C
，
7-ON C
，
8-ON C
Eight groups of normal open activation output (on/off button)
G
GND cable.
A/B
The A/B cable to control the RS485 devices. It is to connect to
control devices such as PTZ dome camera. 120
Ω
should be parallel
connected between A, B lines on the far end to reduce reflection and
guarantee the signal quality.
Tx and Rx
RS232 port. Tx is the data output cable and the Rx is the data input
cable.
2.3.1.2 DNA 4K 2U/DNA 4K S2 2U Series
User may refer to the following sheet for alarm input and output information. See Figure 2-21.
Figure 2-21
Icon
Note
Summary of Contents for DNA3500 Series
Page 2: ...DNA Network Video Recorder User s Manual V 5 2 0...
Page 123: ...110 Figure 3 98 Figure 3 99 Figure 3 100...
Page 135: ...122 Figure 3 116 Click draw button to draw the zone See Figure 3 117...
Page 139: ...126 Figure 3 120 Click Draw button to draw a zone See Figure 3 121 Figure 3 121...
Page 144: ...131 Figure 3 126 Click draw button to draw the zone See Figure 3 127...
Page 158: ...145 Figure 3 139 Figure 3 140...
Page 159: ...146 Figure 3 141 Figure 3 142...
Page 160: ...147 Figure 3 143 Figure 3 144...
Page 162: ...149 Figure 3 146 Figure 3 147...
Page 187: ...174 Figure 3 173 Figure 3 174...
Page 255: ...242 Figure 4 53 Figure 4 54...
Page 256: ...243 Figure 4 55 Figure 4 56...
Page 279: ...266 Figure 4 90 Figure 4 91...
Page 286: ...273 Figure 4 100 Figure 4 101...
