117
z
Please parallel connect COM end and GND end of the alarm detector (Provide external
power to the alarm detector).
z
Please parallel connect the Ground of the DVR and the ground of the alarm detector.
z
Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)
z
Use the same ground with that of DVR if you use external power to the alarm device.
Figure 3-17
3.8.3 Alarm Output Port
z
Provide power to peripheral alarm device.
z
To avoid overloading, please read the following relay parameters sheet carefully.
z
RS485 A/B cable is for the A/B cable of the PTZ decoder.
Relay Specification
Model:
JRC-27F
Material of the
touch
Silver
Rated switch capacity
30VDC 2A, 125VAC 1A
Maximum switch power
125VA 160W
Maximum switch voltage
250VAC, 220VDC
Rating
（
Resistance
Load
）
Maximum switch currency
1A
Between touches with same
polarity
1000VAC 1minute
Between touches with different
polarity
1000VAC 1minute
Insulation
Between touch and winding
1000VAC 1minute
Surge voltage
Between touches with same
polarity
1500V (10×160us)
Length of open
time
3ms max
Length of close
time
3ms max
Mechanical
50×106 times (3Hz)
Longevity
Electrical
200×103 times (0.5Hz)
Temperature
-40
℃
~+70
℃
3.9
RS232
Summary of Contents for DVR-HD016240M
Page 97: ...86 Figure 2 30 2 3 4 HD SDI 1080P 1U Series The connection sample is shown as in Figure 2 31...
Page 99: ...88 Figure 2 32 2 3 6 General 1 5U series Please refer to Figure 2 33 for connection sample...
Page 130: ...119 HD SDI 1 5U Mini 2U Series Figure 3 18...
Page 152: ...141 Figure 4 27 Figure 4 28 Figure 4 29...
Page 157: ...146 Figure 4 34 Figure 4 35 Figure 4 36...
Page 165: ...154 Figure 4 52...
Page 169: ...158 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6...
Page 177: ...166 Figure 5 16 Figure 5 17 Figure 5 18 5 3 5 3 NTP Setup...
Page 218: ...207 Figure 6 11...
Page 288: ...277 Maxtor DiamondMax 20 STM3250820AS 250G SATA...
