1.15 Optional Device Features
1.15.2 Door Open
Description
Using an extension telephone, an extension user can unlock a door for a visitor.
The door can be unlocked by extension users who are allowed through system programming to unlock the door for each time service mode ( Door
Conditions
•Hardware Requirement: A
•A door opener can unlock a door even if no doorphone is installed.
•Door Open Duration
An opened door will remain unlocked for a preprogrammed length of time ( Door Open Duration [709]).
Installation Manual References
2.3.3
2.6 Connecting Doorphones and Door Openers
User Manual References
1.8.1 If a Doorphone/Door Opener is Connected
Feature Guide 101