PoE Powered Access Control Guide

Author: Brian Rhodes, Published on Jan 18, 2016

The popularity of Power over Ethernet applications has spilled over into Access Control.  Taking advantage of the general popularity of powering cameras through data cables is also a natural application for access control. However, the demands for access power are greater than cameras, and the problems can be significant.

In this guide, we explain:

  • PoE options for access controllers
  • PoE controllers max doors supported
  • PoE power provided from controllers
  • PoE power needed by readers, locks and door sensors
  • How to calculate PoE power load for access control
  • Access scenarios where PoE works and others that do not
  • How to check field power available
  • The code impact of PoE powered access control
  • Cost savings from PoE powered access control
  • 3 common problem areas for using PoE powered access control
  • Quiz on Poe Powered Access Control

*** ********** ** ***** **** ******** ************ *** ******* **** into ****** *******.  ****** ********* ** *** ******* ********** ** powering ******* ******* **** ****** ** **** * ******* *********** for ****** *******. *******, *** ******* *** ****** ***** *** greater **** *******, *** *** ******** *** ** ***********.

** **** *****, ** *******:

  • *** ******* *** ****** ***********
  • *** *********** *** ***** *********
  • *** ***** ******** **** ***********
  • *** ***** ****** ** *******, ***** *** **** *******
  • *** ** ********* *** ***** **** *** ****** *******
  • ****** ********* ***** *** ***** *** ****** **** ** ***
  • *** ** ***** ***** ***** *********
  • *** **** ****** ** *** ******* ****** *******
  • **** ******* **** *** ******* ****** *******
  • * ****** ******* ***** *** ***** *** ******* ****** *******
  • **** ** *** ******* ****** *******

[***************]

PoE ********

******* ** ***** *** *** ******, *** *********** *** ***********, is ************* *** **** ***** ** *********.

*** ***** ***** ** *** *** ******** ****:

  • ***.*** ******** ** ** **.** *** ** **** ** **%+ ** PoE ******* ****** ***********.
  • ***.***, '****' ***, ******** ** ** **.** *** **** **** ** a ***** ******** ** ** ******* *** ****** *********, ********* those ******** ** ** **** ** ******* ******* ************. *******, 'at' ** ********** **** ********* ********** '**'.

*** **** ** ***, **** ** * ******* ******** *** a ************ ********, *** *** *** ***** *** ** ***** ************ *****.

PoE *********** *** ** * *****

****** ** *******, ***** * ****** ****** ***** ***** **** a *** ******, **** ****** *******, *********** ********** *** *** just *** ***** ****** ** * ***** ** ******. **** PoE ******* ***** ** ********* **** **** *** ********** *** devices ********* *** ** *** *****.  ** * ******, *** options *** ******** ****** *** ****** ** ****** **** ** based *********** **** ******* **-****, *** **** ***, *** *** Axis *****, *** *********** **** **** ** **** ******** ***** PoE **** ****** ******** ** ****.

PoE **** ********** *** *** ** ****** *******

*** ******* ****** ************ ** *** *** ** ******** ***** the**** ************* **** *** ********** ******* *** ******* ***** ** ********** access ******* *******. *** ********** ******** **** ** *** *** power ** ******** *** *** *** *********, *** **** ****** on ******** ** **** ** **** ** ********* ******. ******* this ***** ** ******* ** ** *** ********* ***** ***** on *** ****** **** ********* ** **.

Into ****** *******

***** **** ***** ** ******* ******* ***** **** *** ********** - readers, ***** *** **** *******. *** **** ***** ***** ******* need ***** ** ******** ** *********** ******* *** **** ** sufficient *** **** *******.

  • *******: *** **** ****** ****** ********* ****** *****, **** ****** or **** ******* *** ********* ** ******* ** ****** ***** sourced **** **** *** **********.
  • *****: ********* ** **** *****, ***** ********** ****-******* ***** *** not ** ********.  *** *******, *************** ** **** ** ******* *** ** *** ***** *******,***************** ****** ** **** **** ************* **** *******.
  • **** *******: ** **** *****, ***** ******* *** **** ***** **** a *** ******** ********** *** **** ******** ** **** ***, but **** ** *** ******** ****** ** ****.

** **** *****, *** ***** ***** ****** *** *** ***** devices **** ****** **** *** ** **** ** *******. ** a ******, ******** ** *** *** ********** ***** ************ *** reconciling ******* *** ******** ***** ** ******** *** ***** ********** opening.

Three ***** ** *********

*****, ***** **** **** ** *** *** **** ********** ******* (e.g., ***.*** ** ***.***). ****, ****** *** **** ****** ***** max *** ********** ********. **** ******* ** *** ***** ***** consumption ***** ** *** ******* ***** ***** **** *** *******.

******** ********

** *** ***** ******* *****, **** **** ****** ***** ** available:

* **** ** ********** ** * ******* ******** ****** ********** ***.*** ***, *** ******* ******* * *** ** *** mA ** ***** *******. ** **** **********, * *** **** **** ****** ********* * *** ** ** ** ** *****, *** * *** **** ****** ******* *** ** ** * ********** **** ***** *** ********* and **** *****.

*** ***** ***** ******** ** *** ****** *** ****** ** 315 ** **** *** **********, ******** ** *** ** ********, which ** *** **** ******.

****** ********

*******, ** **** ****** ******* *****, ****** *** ************ ***** is *********.

* **** ** ********** ** * ******* ******** ****** ********** ***.*** ***, *** ******* ******* * *** ** *** mA ** ***** *******, ** **** **********,*** ***** ***** *******(*** * **** **/**** *** ***********) ******* * *** *** mA ****, *** ******* **** ***-* ************* *** ** ** * ********** **** ***** *** ********* *** draw *****.

*** ***** ***** ******** ** *** ******* *** ****** ** 970 ** **** *** **********, ********* *** ********* ***** ** over *** ** ******* ** ******* ** ********** ********* *********.

Field *****

***** *** ************* ***** ** *** ********** ** ********* *** much ***** ** *********. *** *******, **** *** ********** **** ***** ***** *** ********* ***** ******:

********* ** **** *****, *** ******* ********* ***** ***** *** particular ******* **** ** ****.  *** *******, *** '******' ********** offers ** ** *** ** *** * ****** ***** **.*****, or ***** *.**.  

*** '*** *******', ** ******** **** ******* ****-**** ***** ** control * ****, ****** *** ****** ****** ******* ******* *** output ******** *** ******* ** * ******. ***** **** ********** controller ****** ****** ** ** ** *** ********** *******, *** all *********** **. ******* **** *** *********** ****** ** ** ***** pass **** ***** ** * ********** ****.  ** **** *****, the ********** ******** *** ***** ******* ****** *** ****** *****, but ***** *********** ****** ****** * ********** *** ***** ***** output *** *** *****.

Max ***** ******

******* *** ***** ** *** ***** ***** ****** ****** ***** on ***** ****** ****. ********* **** ***** *** *** *****, ******* ********* ***** ** less **** **** ** ******** **** ******** *** ******* ***** supplies:

**** **** *** ***** ***** ********* ** *** ***** ******* is **** **** *** (*.**) ****** ***** (**.**) ** ***** (28.8W). 

Code ******

**** ********* ***** ***** *** ** ***** ***** ********, **** if ******** ***** ****** ****** ** *********. ******** ***** *** ********** ***** *** ***** *****.  ******* *** most ****** ***** ** ***** *** "******* ** ****' *********** that ******* **** ***** **** *******. *** **** ********** ****, IBC****.*.*.*.********:

"* ****** ********* ****** (**** ******)***** ****** ** ****** ************ ** ***** ** *** **** *********** ** *** ****** ******* ****** ***********. **** *** **** ****** ** ********, *** ***** **** remain ******** *** ** ******* *******. *** **** ****** **** include ******* ******* “**** ** ****” *** **** ** ******* 40” ** **” ********** ***** *** ***** *** ****** *’ of *** *****. ***** ****** **** ** ******** ** *** push ******."

**** **** ********* ********* *********** **** ***** ** *** ** contact ******* ** *** **********, *** ******** * ****** ***** in **** ***** ******* ************.  ** *** **** *****, * push ****** **** ** ********* ** ****** ******* * *** source *** * **** ****, *** **** **** ****** **** to '**** ***** **** ** ******', **** ** *** ****** source ** ** ** ***** '*********** ** *** ****** ******* ****** electronics'.

Cost Savings ***********

***** *** ** ***** ***** ***** **** ~$*** - $*** *** door, ***** *** *********** ** ***** *****, ***** ********, *** labor. For *******, *** ***** *********:

  • ***' ** **/* ***** *****: $**
  • ** **/***** ***** ******: $**
  • ************ ***** *** *****: $** - $***

******** ** ** ******* **** **** ** ~$*,***, **** ******* can ** ***** ***********.

Potential *** *** ****** ********

**** **** ******** *******, *** *** ******* *********** ****** **** separate ***** ******** ** ***. *** *******:

  • ***-**** ****** ****: **** *** ***** *******, ********** ***** ******** *** *** use, *** ********** ** ************ ******* *** ******* **** **** power, **** **** ****** *** ****** ***** *******. ***** *** is *** *** **** ***** ** ***** ******, ******* ***** PoE ***** ***** ******* **** ******** ********** *** *** **** sensitive ** ******* ****.
  • ********: ******* ******** ******* *********** **** ***** *** *** ********** high-power *****, **** *** *********** *** *** ***** **** ******** rated *** ********** ***. ************** ******** ******* ** ********* *** within ****** ******, *** *********** ******* ******** ** ****** ****** are ***.  ******** ******* ******** ******** ******** **** *** **********, ** *** ** ***, *** ******** ******. 
  • ****** ***** *****: ** ********, ** *** ** ****, *** ****** *** subsequent ***** ** ******* ******* *** ** ***********. ** *** doors **** ******** **** ***** **** ***, **** ******** ****-************ backup ***** *** ** **** ******* **** * ******* ******** used ******* ****.  ** **** *****, ******** *** ****** ******* PoE ******* **** ***** ******* ********* ******* ** *** ******* for ****** ***** **********, *** ********** ******** ***** ******** *** simpler *** **** ****** ** ******.

Quiz ********

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

Comments (4)

** ************* ** * ***** *****, *** ***** **********.

** ** ****** ****** ** *** ** ********* ***** ***** PoE ** * ***** ******, ** *** *** *** (****** or *******) ** *** **** ** ********* ** *** **** standard (**********), ***** *** *** ***** *** ****** ****** ***-*********.

**** ********* **** ** ***** ** **** ******, **** ****:

*******, ** *** ** ****** ** *** ********** *******, ******* notes, ** ****** *** ** *** ***** ******* **** *****.

****** ********* ******* *** *** ***** ********** ** ****** ***** for **** ***** ** ***** ****** *** **** ************* *****. (specially ** ** *** ********* *********). **** ***** ** ** difficult ** ******** ******** ** *** ******** ***** *** ***** as **** ******** **** **** *** * **** *** *** controller ******* ****** * **** ******** ****** ??

** ********* ******* **** ** *** *** ******* *** ***** (upto *** *** **** ***) ***** ***** **** *** ****** doors (****** ***** *** ****** *****).

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

** *** **** **** *** ******** *** ******* *** ***** details ***** ***** **** **** ****** *****.

*****,

********* **** **** ** **** **** ** *** ****** ****** power.

** ****** ******* ******* **** **** ******* *** **** ******. i.e. *** ****** *** **** (**.** ** *** ***.*** ********)

***** ****** ***** ** *** ******= *** **** ****** ***** x **. ** **** ** ******

* **** ******* **** *** ******* *** *** *** *** recommending ******** ******** *** *** ** *** ******* *** ******* I'd **** * ***** **** **** ***** ** ****** ***, we ********* ***** ******* **** * ******* ***** ** ******* powered *** ** ** **** ********* (**** ***). ***** **** over * ******* ****** **** **** *** ********** **** ********* fine. * ***** ** **** ******* *** ********* **********, *** it's ****** ** ****** ** ***** ** **** ** *** power *********** ** *** ******* *****'* ****** *** ********* ******.

** *****,

** ***** ** ***+ ****** ***?

** ** *** ***** ***** ***** *********** ** ****** *** reader ********* **** **********.

*** **** ***** ****** ** ******* ******* ?

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