Door Intercom Tutorial

Author: Ethan Ace, Published on Feb 29, 2012

Door entry systems are an often overlooked subsystem of facility security. Typically, entry systems are installed on doors with little thought of integration to the overall security systems of a facility. However, proper integration can provide gains in security and overall functionality, for little additional cost. In this note, we overview door entry system fundamentals including telephone based, closed and network intercoms plus integrating them to other systems.

Telephone-Connected Intercom

**** **** ** ******** ** ********* ** *** ********'* ***** system, ***** ****** ****** ********* **** ** ******* *****, ** VOIP. ***** ****** ******** ***** *** ***** ********* *******. *** door *** **** ** ******** *** * ********* ****** ** via **** (*********) ****.****** ** *** ****-***** ************ ** **********.

*** **** ********* ** ********* ******** ***** *** ***** ** that ** ***** ******** ** ********, ****** * **** **** on *** ***** ******. **** **** ***** **** ******** ******* may ****** *** ****, ** ** ********** ****. ***** ** proprietary ******** **** **** ******* * ********** ** **** ***** area ***** ***** *** ** ** ********, ****** ****. *** main ************ ** **** ** * **** ** ******* ** the *****, **** **** *** ***** ******* **** ** **** to ****** *** ****. *** ********** **** ***** **** ******, this *** ** * ******* *****.

*********** ********** *** ** ***** ****** ***$*** *** ***** *** *****-**** ********, **$***-******* ******** ******. ****** *** ** ***** ***** ***** ******, but ********* ***** ****** ** *** *** ** ****** ** weather **********.

Closed ********

** * ***********, ** ******, ******** ******, *** **** ******** is ******* ** *** ** **** ****** ******** ***** *** dedicated ** ********* *****. *** ****** ** **** ******** *** master ******** ****** **** ****** ** ******. **** *** **** support ***-**-*** *************, ***** ****** ******* ****-**-**** **************.********* ******* *** ****-***** ************ ** **** ***** ** *********.

*** *********** ********* ********* ****** ******* ** **** ** ********* and ************. ** *** ******** ****, ** *** ** ******** more ******, ***** ** ** ********* ** *** ****, *** has ******* *********. *********, ****** *** **** ******* ********* *** clearly *******, *** ****** ********, ** ** ***** **** ** remembered, ** **** *********-********* *******. *******, **** ****** ******* **** cost ** *** ************, ********* ** *** ****** ** * few ******* *******. ** ********* ****** *** ******* ** * group ** ******, **** *** ****** *** ******* ** * thousand ******* ** * ******.

****** *****-**** ********* *** ** ***** *** ** ****** **$*** ******, ** ****. ****** ***** ** *** ******** ********* ***** substantially, ******** $****** **. **** **** ***** ****** *** *** *:* *******, with * ****** **** ******* *** ****** ******. ********** ******** are **** **********.

Network-Based ********

* ****** ***********, *******-***** **** ********* *******, ** **********, ********* master ******** **** ******** ****** ** ***** ***. ***** ******* convert ******** **** ******** ** ******* ** ********, ******** ***** to ** ******** ******* *** *** ******. ***** ******* **** allow ***** ** ** ******** **** ****** **** ******** *********, as *** ** **** ******** *** * ********** *** *** as * ****** *******. **** **** ********** *** **** ** multiple ****** ********, *********** ********* *** ********** ** **** ********* and ****** ******** *******. *** ******* ***-** ** ** ******* of * **** ***** ** ********.

********** *** ******** ** *** ******* **** **** ** * price. *** ***-**, *** *******, ***** ******** ** ******* ** master ******* ** *** *******, ***** *** ****$*,*** ******, ************* ***** *** ***** ** * ******* *** ******* network ************. *******, **** ********** ****** ******** ** *** ***** of $***-***, *** ********* ************ *****, ********** ** *** ******* via *** ***-** ** **** **** ********** ** ******** ********* need ** ****** *****.

Video **. *****-****

***** ******** ** *** **** ** ********, *** ****** *********** decision ** ******* ** *** * ***** ** *****-**** ********. Generally ********, **** ********* **** ******* ***** ** **** ******* the **** ***** ** * ******, ** *** ****** ** closer ** *** *******, *** ******** *** **** *******. ** cases **** ******* *** ******* ********* ******** ** ********, **** may ** **** ** **** ******** *******, ** *********** **** an *****-**** ********. **** ****** ********* ***** ****** ******* ** be *** **** *** ******, ********** ***** ****** ** *** master ******* ** ***** ** * ****** ******* ** *** door ******* ******. 

Integrating ** ************ *******

** **** *****, **** ***** ******* *** ******* ** ********** systems, ******** **** *** ************ ******. *********** *** ******** ****** to * *** ****** ** ********* ******, *******, **** *** general *****:

  • ** **** ***** **** ** ************ *** ** *******, ***** accepts ** ****** ***** **** **** *** ******, *** * contact ******* **** *** *******'* **** ******. *** ******* ******* is **** ** **** ** ***** ** **** ********, ** desired, ** ******** ***** *** ******* ********* *****, ** ***** functions. 
  • ** ***** ***** ** ** ****** **** * ********** **** of *** **** ******* ******, **** ** ** * ***** or **** ******* * ****, *** **** ****** ** **** into *** ******, ** ** *** **** ** *** *******.

**** *** **** ******** ******* *** ******** **** ** ******* which *** ** ******** ********** ** *** *******. **** ** beginning ** ******, **** *** ******* *** **** ******* *** Commend's ***** ******. *******, ******* ** ***** ******* *** ****-********** to *** *******, **** *** ***** ****** **** ********* *********.

********** ** ***** ** *** ***** ******* ** ****, ***** are ******** ******** ** *********** **** **** * ****'* ************ system:

  • ****** ** ********: ***** *** ********, *********** ******** * ****** of ******** ** * ********. ***** ******** ******* ** **** stations *** ******** ** ******* *** ******** **** ******** ** the ******, ***** ****** ****** ** **** **** ******** *** identifying ******** ** **** **.
  • **********: ***** *** ********'* **** ****** **** *** *** ****** for ***** ****** ** ** ********* **** ****** *****. ******* surrounding * ******* **** ** **** *** ** ********* *** called ** ** * *******, ** ** **** * *** to * ****** ********. **** ****** ******** ***** ** ****** a ****** *********** ** *** ** ******** ** * *** vehicle, *** *******, ** **** **** *** *** *********** ** tailgated ** ******* *******.

*********, ******* **-***** **** ********* ** *** **** ** ** recorded ** ****** **/*. **** ******* ***** ***** ** ******** which *** *** ** ****** *** ******* ************. *** **** reason, ********* ** ******** ********* ** ****** ****, ** ** event, **** **** *** *******'* **** ******. 

Integration **** ****** ******* *******

**** ********** ********* ** ******-********** *****, **** ******** ** ** trigger **** ******* ******* *** ****** ******* ******. **** ** accomplished ** ****** *** ********'* **** ******* ***** ** ** input ** *** ****** ******* ******, ***** ** **** ***** the ***** *********** *** ****'* ****. ** *** **** ******** directly ******** *** ****, ** ***** ****** ** ****** **** alarms *** ***** ******, ** *** ****** ******* ****** ** unaware *** **** ** ***** ********. **** *********** **** ******** a *** ** **** *** **** *** ********, ***** *** be ****** ** **************.

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