37
+12V
It is external power input. Need the peripheral equipment to provide
+12V power (below 1A).
Earth cable.
485 A/B
485 communication port. They are used to control devices such as
decoder.
T+,T-,R+,R-
They are four-wire double duplex RS485 port
T+ T-: output wire
R+ R-: input wire
3.8.2 Alarm Input Port
Please refer to the following sheet for more information.
• Grounding alarm inputs. Normal open or Normal close type)
• Please parallel connect COM end and GND end of the alarm detector (Provide
external power to the alarm detector).
• Please parallel connect the Ground of the DVR and the ground of the alarm detector.
• Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)
• Use the same ground with that of DVR if you use external power to the alarm device.
3.8.3 Alarm Output Port
Figure 3-7
• Provide external power to external alarm device.
• To avoid overloading, please read the following relay parameters sheet carefully.
• RS485 A/B cable is for the A/B cable of the PTZ decoder.
•
T+,T-,R+,R-
are four-wire double duplex RS485 port.
T+ T-: output wire
R+ R-: input wire
Relay Specification
Material of the
touch
Silver
Rating
Rated switch capacity
30VDC 2A, 125VAC 1A
Summary of Contents for HVR-1608PK
Page 1: ...HVR 1608PK HVR H408PKC Hybrid Standalone DVR User s Manual...
Page 29: ...20 Please refer to the following figure for detailed information See Figure 2 5 General Series...
Page 30: ...21 HVR H408PKC Series HVR 1608PK Series Figure 2 5...
Page 41: ...32 General Series HVR H408PKC Series 3 7 2 Audio Output HVR 1608PK Series Figure 3 3...
Page 43: ...34 HVR 1608PK Series Figure 3 4 3 8 Alarm Input and Output Connection General Series...
Page 49: ...40 HVR H408PKC Series HVR 1608PK Series Figure 3 9...
Page 65: ...Figure 4 24 56 Figure 4 21 Figure 4 22 Figure 4 23...
Page 113: ...104 Figure 5 58...
Page 115: ...106 direction arrows in DVR...
Page 192: ...182...
