23
（
Resistance
Load
）
Maximum switch power
125VA 160W
Maximum switch voltage
250VAC, 220VDC
Maximum switch currency
1A
Insulation
Between touches with same polarity 1000VAC 1minute
Between touches with different
polarity
1000VAC 1minute
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
Longevity
Mechanical
50×106 times (3Hz)
Electrical
200×103 times (0.5Hz)
Temperature
-40
℃
~+70
℃
3.8
RS485
When the DVR receives a camera control command, it transmits that command up the coaxial
cable to the PTZ device. RS485 is a single-direction protocol; the PTZ
devicecan’treturnany
data to the unit. To enable the operation, connect the PTZ device to the RS485 (A,B) input on
the DVR.
Since RS485 is disabled by default for each camera, you must enable the PTZ settings first.
This series DVRs support multiple protocols such as Pelco-D, Pelco-P.
To connect PTZ devices to the DVR:
1. Connect RS485 A, B on the DVR rear panel.
2. Connect the other end of the cable to the proper pins in the connector on the camera.
3. Please follow the instructions to configure a camera to enable each PTZ device on the
DVR.
Figure 3-3
3.9
Other Interfaces
There are still other interfaces on the DVR, such as USB ports.
485 Port
Summary of Contents for CJ-HDR216
Page 1: ...HD Analog Recorder User s Manual Model No CJ HDR216 CJ HDR416 Version 1 0 3 ...
Page 93: ...85 Figure 4 72 Figure 4 73 ...
Page 94: ...86 Figure 4 74 Figure 4 75 ...
Page 99: ...91 Figure 4 79 Figure 4 80 ...
Page 102: ...94 Figure 4 84 Figure 4 85 ...
Page 108: ...100 Figure 4 93 Figure 4 94 ...
Page 110: ...102 Figure 4 96 Figure 4 97 ...
Page 116: ...108 Figure 4 104 Figure 4 105 ...
Page 120: ...112 Figure 4 109 Figure 4 110 ...
Page 130: ...122 Figure 4 120 Figure 4 121 ...
Page 164: ...156 Figure 5 46 Figure 5 47 ...
Page 168: ...160 Figure 5 51 Figure 5 52 Please refer to the following sheet for detailed information ...
Page 172: ...164 Blue color stands for MD alarm record snapshot Figure 5 56 Figure 5 57 ...
