Alarm Output Port - ADT DVR7800S-U Series User Manual

1.3.3 Alarm Output Port

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Provide external power to external alarm device
•
To avoid overloading, please refer to the following relay parameters table
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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 Specifications
Model:
Contact Material
Rating
(resistance load)
Insulation
Surge voltage
Open time
Close time
Longevity
Temperature
DVR7800S-U Series Hybrid DVR User Guide
JRC-27F
Silver
Rated switch capacity
Maximum switch power
Maximum switch voltage
Maximum switch currency
Between touches with same
polarity
Between touches with
different polarity
Between touch and winding
Between touches with same
polarity
3ms max
3ms max
Mechanical
Electrical
-40°C to +70°C
30VDC 2A, 125VAC 1A
125VA 160W
250VAC, 220VDC
1A
1000VAC 1minute
1000VAC 1minute
1000VAC 1minute
1500V (10 x 160us)
50 x 106 times (3Hz)
200 x103 times (0.5Hz)
2 Getting Started
5