1.17 Optional Device Features196 Feature Guide1.17.2 Door OpenDescriptionAn extension user can unlock the door for a visitor using his telephone.The door can be unlocked by extension users who are allowed to unlock the door through COSprogramming. However, while engaged on a doorphone call, any extension user can unlock the door to letthe visitor in (→ 1.17.1 Doorphone Call).Conditions• Hardware Requirement: A user-supplied door opener on each door.• The door opener will unlock the door even if a doorphone is not installed.• Door Open DurationThe door can remain unlocked for a preprogrammed time period.• KX-TDA30 onlyThe port of the DPH4 card to which the door opener is connected must be assigned through systemprogramming as a door opener port (not a relay port). If it is not, it may not be possible to open the doorwhile on a doorphone call.Installation Manual ReferencesKX-TDA302.9.1 Connection of Doorphones, Door Openers, External Sensors, and External RelaysKX-TDA100/KX-TDA2002.10.1 Connection of Doorphones, Door Openers, External Sensors, and External RelaysKX-TDA6002.12.1 Connection of Doorphones, Door Openers, External Sensors, and External RelaysProgramming Manual ReferencesPC Programming Manual2.7.39 [1-1] Slot—OPB (KX-TDA100/KX-TDA200/KX-TDA600 only)—Device Type2.8.4 [2-3] Timers & Counters—DISA / Door / Reminder / U. Conf—Doorphone—Open Duration2.8.8 [2-6-1] Numbering Plan—Main—Features—Door Open2.8.11 [2-7-1] Class of Service—COS Settings—CO & SMDR—Door UnlockPT Programming Manual[207] Door Unlock Time[512] Permission for Door Open AccessFeature Guide References2.2.1 Class of Service (COS)User Manual References1.10.1 If a Doorphone/Door Opener is Connected
