Aiphone Intercom Door Release With Existing Access Control

Client has 2 doors with door strikes tied into a larger access control system. They want the concierge to be able to open those doors manually, while still keeping the card access for residents.

I am trying to think this out.

Would I have the Aiphone trigger the same power supply that normally powers the doors?

Or would I provide a sperate power supply to trigger the strikes? Somehow I think that either way, I send power back to the device, not in use. If the access control and Aiphone are both tied to a relay, when the Aiphone sends a signal to the relay, that small voltage will work its way back to the access control unit.

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**** *** ****** ******* system *** ** ***** REX ***** ** * input **** *** ** programed ** ******* *** door? ** ** *** the ******* ****** **** the ******* ** *** trigger ***** ** **** ACS.

* ***** *******'* ******* on ********** ** ***** on *** ****** ****** is *** **** *** to ** **** ******* it ****/***** **** ***** any ****** **** ****** if **** *** ********** that.

** ***** ** ** forced **** ***** *** could **** *** ****** of *** ******** ******** a ***** *** ********* that ** ******** **** the ****** ******* ***** output ** *** ****** control *****. ** ***** not ***** *** ****** door ****** *** ** would ** ****** **** to *** ** ********** if *** *** *** familiar **** *********** **** customer's ****** ******* ******.

**** ***** *** ****** ***** **** ** ****.

**********, **** * ***** to *** ** **** if *** *** * designated ******** ***** ***** than *** ***, **** Audit **** **** ** was ******** ******** **** Aipone, ** ******* ** a ***

** *** **** ** use *** ******** ** unlock *** *****?

* **** *** *** just **** * ** contact ****** ** ******** access ********** ** ****?

* ****** ** **** buttons ** * ****.

**** ** ******** *** they ** *** **** now. **** *** ********* desk, **** *** *** the ***** **** *** they **** **** ** using * **** ******. However **** **** * 2nd ******** **** ********** they **** ** ****, and *** *** ****** on *** ******.

** ******* ** ***** clean ** ** *** an ******* ***** ******** in ***** **** ***** doors.

* **** ** *** what ****** ******* **** have ******* ***** *** be ** ****** *** the ********* ** *** that.

*** ******* *** *** say****'* *** ************* *** * **** better *****, *** ** you *** ********* **** VOIP ****** *** *** can ********* *** ****** into **** ***?

** *** ******** *****'* have * *** ****** in ***** **** ***** have *** **** *** found ** **** **********?

*'* ******** **** *** can ********* ****** ******* so **** *** ***** a ****** ** ******* into *** ***** ** trigger *** *****. *** configure **** ** *** Axis?

*** ***** ** ****** systems *** ******* *** much **** *********. ******* they *** **** **** more ********* ** *********. You **** ** **** the ******* *** *** away **** **********. **** some ** **** **** a ******* **** ****** cabling, ***** * **** never **********.

* **** ****** ***********, Yealink, ******* ********** *** Windows ********** *** *** work **** ***** *** audio.

** *** ***'* **** a *** *** **** you *** **** *** calls *** ** *** need * *** ***** are * *** ** free *** ***-**** *** PBX ********* ** *** need *** *** **** or **** ******** *** intercoms.

****, **** ** **** with ****'* ******** *** get * ***** ******* camera **** ***** ******* to **** **** **** VMS ********* ** *** can ****** *** ***** too.

*** ******* ** *** Axis ***** ** **** that *******? ******* **** don't **** ** ******* it *** **** **'* very **** ** **** in *** *******. ** at ***** ** **** to **.

* ***** ********. * haven't **** **** **** it ** *** ** it *** **** * very ******* *******.

** *** ****** ******* system *** ** *****, as ********* ** ****** above, **** *** ** configured ** ******* *** access ******* ****** **** is *** ******** *** easiest. ********** *** ***'* need ** ********** ***** at *** *******.

******* ** *** ***'* have *** ***** ****'* fine ***. *** *** simply ***** *** ****** wire ** *** ******* with *** ****** **** the ****** *******. *** Normal **** ** *** Aiphone **** *** ****** Open ** *** ****** control. *** *** **** use *** ***** ***** that ******* ***** ** that *** *** ******** Aiphone **** ******* ****** back. ** ****** ******* will **** * ******** power ****** *** *** intercom ******** *** *** will *** **** * second ***** ****** *** the ******* ********.

** *** ****** ** fail ****** **** *** Aiphone ***** **** ** placed ** **** ******* the ****** ******* ******** open *** *** ** the **** **** *** lock.

**** **** *** ****** an ******* **** *** built ** **** ******* AND *** ****** ******** doors. **** **** ******* relay *** ***** ****.

* ***** **** ******* the ******* ******** **** to *** ****** ******* panel. **** ** **** we ** *** **** it ** * *** board. **** *** ******* is ********** ** *** access ******* ********. ** a *** ** *** locations ** **** ********* they **** *** ******* on * ********. * guess **** ***'* **** someone ******* ******* ****** in. **** ** * lockdown *****, **** ***** also ******** *** *******, if ******.