Powering IP Cameras When Using Fiber

Author: Ethan Ace, Published on Jun 13, 2012

Solving distance issues with fiber optic cable creates a new set of problems. Due to the lack of PoE, users must find a local power source and space for equipment connections, issues not found when using PoE and UTP. In this note, we examine this the logistical problems of using fiber, outlining the reasons fiber may be preferred, and solutions to these issues.

The Issue

***** *** ** ********** ** ****** **** ********** ******* ** distant *********, *** ******* *******:

  • ********:**** *** ****** ** **** **** **** **** *** ******, fiber ** **** ******** ****. ***** *******, **** **********-****-**** ********** *** *** ************ **** ** ****, *** *** *** ** ******.
  • ******* *********:** ***** ***** ** ********* *******, ***** *** **** ** minimize *** ****** ** ********* ** ***** ****** ** ***** fiber ******, ***** ********* ******* ** ******** ********, *** *** buried ** ***-******** *******. **** **** **** *********** *********** *** aerial ***** ****** *** **** ******** ******* ** ******* *******, but ***** *** ******** ***** ** ***** ************ ******, *** shorter **** ***** ***** ** **** *** *******.
  • ************:** ********** ************ ***** **** ******* ********* ** *******, ************ may ******* ******* ***** ***********, ********* ***** *******. ***** ** often **** ** ***** ****.

***** ***** *** *** ***** ******* ** *** ***** ******* of ***, ***** ********* ******* *** ******** ** *** ** power ******* ** *** *** ***. **** ** ** ******** more ** ** *****, ** ************* **** ***** ** ****** low-voltage ***** ****** **** ******* ** ***** ** ***-**** *********. This ***** * ***-******* ***** ****** ***** ** *** ******, traditionally **** ** ***** *********, ** ** ****** ** ******. Many ***** ***** *** ****** ** *** * ***** *********, as **** ** * *** ********. ***** **********, ***** **** of ***** ********** ******** ******** ***** ******* *** ** ********* at *** ****** ********, ***** *** *** ** *********, ********* on *** ****.

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

*** *** ** ******* ***** ********* ** ***** ********** **** PoE ******. ******* ** ********* ******** **********, ***** ******* ***** media ********* *** *** ******** **** *** **** ****. **** reduces ********** ** *** ****** ********, ****** ** *******, *** the ********* ** *** *********. ** **** *********, **** ** pole-mounted *******, ***** *** ** ** ********* *** ******** *******, as ***** ********** *** ** *********, *** *** * ****** target *** *******.

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

  • ***** ***** ********:****** ***** ***/*** *** **** *** *****, **** ***** ***** converters, ***** ***** ** ******** ** *** ****** ********. ** no ***** ** *********, ***** ******* **** ** ****, **** as *** *********, ***, ** ******.
  • *** ************:***, ** ***, ***** ********** *** ********* ** ************ **** factors, **** ****** ***********. *******, ***** ***-******** ********** *** ********* used ** ***** *** ***** ********* *** *****/*** ************. **** adds **** ** *** ****** ********, ** **** ** *** available ** ******** ********** ** *** **** ****. ********** *** especially ********* ** ***** ** ****** ************, ** **** ******** media ********** *** ******* ******* ***** ***** **********.

*** ***** ********** ********* **** *** ******* $***-*** *** ******, with **** ******** ****** ******* $*** ** ****. ***** ********** with *** ****** *** ********* **** * ****** ** *************, including:

*** ** ***** ****** *** ********* ** ******** **************, ********* on ***** *** ********* ****, **** **** ***-**** ****** *********. Note **** *** ** *** ***** ***** ****** **** ***.*** 15.4W ******. ******** ** *** **** *** ** ***** ******* with *** ***.*** **-*** ******, ***** *** ** ******** **** using **** ** ***** ******* **** ******* ** *******.

Berk-Tek ********

** **** ********* ******* ***** ***** *********,****-***'* ******** *** ***** ********* ** ** ******. ******** ******** ** * ***** ********, * hybrid *****/****** ****** *****, *** * ******** *** **** *** port ** *** *** ***. *** ******* ******** ******** *** or **** *** *****, ******* ***** **** *** ****** ** the ****** *****, *** **** *** *** *****. **** ***** eliminates *** **** *** ****-******* ***** ** *** *** *** of *** ***, *********** ********* ******* **** ******** ** ****** AC ***** ********* ** ***** *********. ** **** ********** *** need *** *********** ****** ** ********* *** ***** *****, ***** the ******* **** ***-**********.

*** ******** ****** **** **** **** ******** ** ******** ***** cable *** ***** **********.  ******** *** ********* *** ****** ***** can ** ***** *** $*** ******, **** *** ******** ** either ***. *** **** *** *** ****** ***** **** **** widely, ********* ** ******, *********** *****, ****** **** *****, *** fiber ****. ***** **** ** ****** ** ** $*,***+. ****** it ** *********, ******** ******** ********* *** ******* **** ***** PoE ********* *******, **** * ******* ******** ** *,***'. ** also ** *** **** ****** ***** ******* ** *** ******* standards, ****** ** ********** *** ***** **** **** ********.

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