1.15 Optional Device Features
Feature Guide 101
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 Opener—Day/Night/Lunch [703-705]). While on a doorphone call,
any extension user can unlock a door to let a visitor in ( 1.15.1 Doorphone Call).
Conditions
• Hardware Requirement: A user-supplied door opener installed on each door.
• 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
2.6 Connecting Doorphones and Door Openers
User Manual References
1.8.1 If a Doorphone/Door Opener is Connected
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