Installation and Connections
Use the same ground with that of DVR if you use external power for the alarm device.
Only indoor devices are recommended for being connected
Note to
Figure 3-2 Sample of Alarm Input (Normal Close Type)
Alarm Output Port
•Three ways to relay alarm output (NO contact). External power supply is needed for external alarm device.
•To avoid overloading, please read the following relay parameters sheet carefully.
Relay Specification:
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Material of the touch | Silver |
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| Rated switch capacity | 30VDC 2A, 125VAC 1A |
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Rating | (Resistance | Maximum switch power | 125VA 160W |
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Load) |
| Maximum switch voltage | 250VAC, 220VDC |
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| Maximum switch currency | 1A |
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Insulation |
| Between touches with same polarity | 1000VAC 1minute |
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