Dahua VTO2111D-WP backyard door opening

MatejT

n3wb
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Nov 1, 2019
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Slovenia
How can I connect the DAHUA VTO2111D-WP intercom so I can open the sliding door with the VTH5221D or APP indoor unit?
I need to open with a voltage-free switch. How do I tie it?
Thanks for the help.
 
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