Powerline Networking For Video Surveillance Advocated By Comtrend

By: Brian Rhodes, Published on Jun 08, 2018

Powerline networking, using existing electrical wiring, has been around for many years. Indeed, over the years, some video surveillance providers have offered it as an alternative to coax, category cable and wireless. However, it has never really taken off.

Now Comtrend, adopting a more recent powerline standard, is promoting powerline networking specifically for video surveillance use. Indeed, the company's PG-9172 Series offers a range of video-appealing features like PoE, multi-adapter networking, and even support for coax cameras:

But how does powerline work, and is Comtrend's product a good alternative to running network cables? We examine product claims and identify strengths and weaknesses inside.

********* **********, ***** ******** electrical ******, *** **** around *** **** *****. Indeed, **** *** *****, some ***** ************ ********* have ******* ** ** an *********** ** ****, category ***** *** ********. However, ** *** ***** really ***** ***.

***********, ******** * **** recent ********* ********, ** promoting ********* ********** ************ for ***** ************ ***. Indeed, *** *******'***-**** ************ * ***** ** video-appealing ******** **** ***, multi-adapter **********, *** **** support *** **** *******:

*** *** **** ********* work, *** ** ********'* product * **** *********** to ******* ******* ******? We ******* ******* ****** and ******** ********* *** weaknesses ******.

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

Comtrend's ********** ********* ******

********* **** ******** ****-******* electrical ***** ********** *** ethernet **********. ********* ** popularly ******** *** *********** applications, ***** ********** ******** into ******** ***** ******* is ******* *** *** be ******* **** ******* a ******** ******** ***** to ***** ******* ************ to ***** *** ****** reached ** ****:

*******, ******** ** ********* their**-**** ********* **** ********** ************, claiming ********* ********** **** enough **** *** ******** cameras *** ****** ******** multiple ******:

*******, *** ********** ************ may ** ******* ******* the ******. ** *** sections *****, ** ******* Comtrend's *******, *** ***** claims **** **** ******* in * ********** ********** network.

Powerline ******

******* ** *** ** DSL ********, ***** ******** media **** *** **** conductor, ********* **** ********** wiring ** ******** ****. Both ***** *** **** can *** *** **** wire ******* ************, *** to ***** ****** ********* frequencies *** **** ******. In *******, ********** ***** uses * **** ***** frequency **** ****, ** the ***** ** ******* million ***** *****:

  • ** *****:** - ** **
  • ********* ********:* - ** ***

********* ******** **** ********'* apply ******* ****** ** existing ***** ***** *** listen ** ******* ** and **** ******* ** to **** *********** ****/******** connections.

G.hn ********

********'* ******* ****** * new ********* **************** ************* uncommon ** **** ********-***** products, ** **** ******** units (****** **** **** two) *** *********** **** each *****.

** *** ******, *** powerline ********* ****** *** common:

  • ********: ******* ** ******* mobile ***** *** *** makers **** ********, ********, Intel, *** ******** ******* manufacturers **** **** *** General ****** (*** *** 'smart ****' ********** ******).
  • *.**: ******* ******** ******* the******** ************* ** ******* ********* AT&T, *******, ******* *******, and ********.

********'* *.** ******** ***** it ******** ** **** with ***** ********* ****** also ******** *.**, ******** the ****** ****** ** adapters ** ************** **********, and ******** ******** ******* support ** *** ********** by *** ********.

Comtrend ***** *****

*** ******* ****** ***** below ***** ** ******** of *** **-**** ****** and *** ********** *.** conformance ***** ********** ************:

*** ***** ********** **** building ************, *****, *** area ********* ** ********** can **** ********** ************ problems *** ****, *** claims *.** ***** ********* a ******** ***********.

Product ********

********** ** *** ******** model, *** ******** **-**** units **** **** **** a **** ****** *** an ******** ****/******, *** are ******* ** *** existing ********** *******. **** adapter ******** **** *********.*** ***, ****-**** *** *** wall *****, *** **** Access ******, ** *** designed ** ***** ********:

** ********, *** **-**** adapters ******* * *** Configuration ****, ******** ** many ******** ******* ******** for ******** ****** ********, IP *********, **** ************, and ********* ****:

Comtrend *******

********'* *.** ******** *** available **** ******** ****** resellers, *** ********* ***** in **** ******* $** - $** *** **** depending ** *** **** options *** **** *********. For *******, ********'* **-**** is~$**, ***** *** *** version **~$**. ***** ***** ****, or **** ********** **** cost ****.

******** ** ******* ****** near ***** ** ******** higher **** ********-***** ********* competitors, **** **** ***** 1200 **** ******* **~$** ****, ** **** **-**** set **~$** ****.

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

***** *** ******* *********** issues ******* ** *** ad-hoc ********** ********* ******* environment. *********** ** ***** power ***** *** ********** drive ************ *** ******* in ******** ********, *********:

  • ***** ******** ****: ** ***** *** use, *** ***** **** to ** ******* ********* together, *** ********* ** the **** ***** *** best *******. ***** **** limitation ** *** *********** for *********** ***, ** is *********** ** ********** applications **** ***** *** power **** ******** ****** and *********. *** **** topography **** ** ***** before ********* *** ** a ********** *******, *** simply ******* * *** ethernet ***** ***** ***** less **** ******* ********** plans **** ************.
  • ** ***** **********: ******* *** ********** is **** ********* ******** cannot ** ********* ** surge-protected *****, ** *** surge ********* ******* ***** airgap ** ************* ******* direct ********** ** **********. Surge ********** ** ****** in ********** ************, **** power ****** ** ****/**** desks.
  • ***** ***** ****** ***********: *******, ****** ******* of '***** *****', ** high-demand ***** **** ***** coils, *******, ********* *****, and **** ********* ************* degrade ******** ****** **** power, ********* ** ***** speeds.

Common *****: **** *********

*** ***** ****** ********, like ***** ********* *******, is **** ***** *** significantly *****-******* *** ******* 1,200 **** ******. ********** is ****** ******** ***** on *** ********** ***** system, *** ********* ********** on ********* ******** *** degrade ************* *** *************.

*********'* **** ********** ** typical ** *** ********, not **** * ****** vendor. ***** ********'* *,*** Mbps ***** ** *** the **** ** ********* devices, ** ** **** the ***, *** ** manufacturer's ****** ******** ** the ***** ******** ******* more **** ************ ** at ***. ** ********, even ******** ***** **************** ***** **% - 80% ** ***** ******* bandwidth********** ********.

**** *** ****'* '*** positive ******'****** *********** ****** **** ********** is ***** * ******** of **** ******:

***** **** *********** *** bandwidth ******** *** *** be * *********** ** a *********** *********** **** one ** *** ******* or ****** *******, ** could ** * *********** source ** ******* *** commercial ************ **** ********* use ******** ******* **** always **** ** ** accessible *** ****** ******** video.

Comtrend ******** ** **** *********

** ***** ******** *** even ********* ******** ******* cite ********** ********* **********, often *** ***** *** 1,200 **** ****** *******. They *********:

"*** *** **** ** 1200Mbps ** * *********** from ** *********** ** the **** ***** **** condition. *** *********** ** each **** ** ********** by *** **** *********, electrical ***** ******* ******* other *****, ****** ** outlets ******* ******, *** how **** ***** *** present ** *** *******.

******** **** *** *.** is *** ************* ** PHY **** *********** *****. The ******* ******** ****** usable ********** ** ******* the **** ** ***** streaming **** ** *** most ********* ***********."

** *******, ******** ** saying **** ** * Powerline ******* ** *****, designed, *** **** ************ for ****, *** ********* levels *** ******. *** as **** *** ********* networks, **** ** *** a ********* *** **** for *** *********, ** actual *********** ** *****, sometimes ***********.

Complicated ******* ********

******* ****** *** ****** to ********** ** **** overarching ******* ********, ************* policy, *** ******** *********** do *** ***** ** a ********* *******. ***** cabled ***** ******* *** support **********, *****, ** VLANs, ***** ******** **** not ***** ** ********* networks *** **** ** separately *******, ** **** are **** ********.

Tough *** *** ********** *****

******** ** ********'* *********, Powerline ** *** * mainstream *********** ** ******** cables ** **** ***. The ********* ***********, **** unreliably, *** ******* ******* administration *** *** *********** factors **** ***** *** cost ****** ****** ******* costs.

********'* *.** ******** *** be ******** ** ******* use *** * ******** run, *** ********** **** widespread *********** *** ****** cost ** *************** *** administration ****** ******* *** cables ** **** ************.

Comments (24)

**** ******** ** ** *******, *** **** ** **** * demo ** **** *** ** *** **** *** **** ***** year, ***** ** ****'*. **** **** *** ********* ** ********* networking ********, *** ** **** ***** ** *** **** ******* years **** **** **** *** ** ********.

**** *** **** *********** ****-*******, **** **** *********** **********/******* ******:

Aboundi UltraSpeed 200M UPS Enabled Quad NetBridge-(110 VAC Plug)

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

*** ****** **** ****** *** ********* *********? * **** ****** found ** *********** *** **** ** * *******. * ***** debate ** *** ** **** ** ****** *** ********** ******** feedback. *** ******** **** *******?

* *** ** ** ******* * ******** ** ** ****** to ** *****. ******** *'** **** **** ** *** ******, now **** * ***** ** **.

** ***** ***, ***** *** ***** ** ****, *** ******** probably ***** *** * ***** ** *** **** *** **** wiring *** **** ****** *********, ** ******.***** ***/*, *** ********** *******. ** *** *** **** ****** other **** ********...**** *** * ***** ****** *** * **** house, ** * **** **** **.

** ***** ***, ***** ** **** *** *** *** *** rewired ** **** *****, ** ***** *****. ** ***** ** different **** * **** ******** ********** ** **. **'* ******** to ** *** **/*, ***** *'* **** ** ** ***, but **'* **** ******* ******** *** **** **** **** ****** to **** * ****** ******* *** *****. ** *** ** a *** **** ****** *** * ******'* *** **'* ** any ******** *****. * *****'* ******** **.

* **** ****** ****** ** *** **, *** ***** *** around ** **. * ** **** * ********* ***** ** could ** *****. ** * *** **** **** ******** *** not *** **** *****, * *** **** **** ** *** give **** * ***** ***.

****: $*** *** *** **** *** *******, $*** *** *** non *** *** **** ******, ** ******.** *** ** **** I **** ** ****** **** * ***** ***** ***, ****.

* **** * ********* ****** ** ******* **** ** *** internet **** **** *** *** * **** ** **** **** no *****. **** ******* *** ***** * ******* **** *** the ********** **** *** *** ****** **** ** **** **** feeds. ** *** ****** * *** **** *** ** *** test **** **** ** *** **** ** ** **** ******* and **** **** *****.

** *** ********* ** *** **** ** ******* ********* ****** to *** ******** **** *** ******** ****'* **** ** *** for *** **** ** *** *** *****. ** **** ******* out ***** **** **** **** ******* *** ***** ******* *******. I'm *** **** * ***** *** ** ** * ******** security *********** *** * ******. * ***** *** ***** ** to *** ******** (** ******** *******) *** ** * **** or **** ****'* ********* ** *** ***** ** ********** *****.

** *** ***** ** *** ******* ********* ******, ******** *** this *******. (* ***** **** ******* ** *** **** *****):

Comtrend ******** ** **** *********

** ***** ******** *** **** ********* ******** ******* **** ********** bandwidth **********, ***** *** ***** *** *,*** **** ****** *******. They *********:

"*** *** **** ** ******** ** * *********** **** ** environment ** *** **** ***** **** *********. *** *********** ** each **** ** ********** ** *** **** *********, ********** ***** present ******* ***** *****, ****** ** ******* ******* ******, *** how **** ***** *** ******* ** *** *******.

******** **** *** *.** ** *** ************* ** *** **** measurement *****. *** ******* ******** ****** ****** ********** ** ******* the **** ** ***** ********* **** ** *** **** ********* environment."

** *******, ******** ** ****** **** ** * ********* ******* is *****, ********, *** **** ************ *** ****, *** ********* levels *** ******. *** ** **** *** ********* ********, **** is *** * ********* *** **** *** *** *********, ** actual *********** ** *****, ********* ***********.

**'** ***** **** ***** *** ****** **** ******* ***** ****. Do *** *** ***** **** ** ** ** *** **** circuit *******? ** **** *** **** *****? ** **** *** the ******/******* **** *** **/**? ** ***/*******?

* ******* **** **** ** ** ** *** **** *****. Back ** *** ***** ****'* * **** ** ***** ** internet **** ** **** **** ******** ***** **** **********. ** I **** ** ***** ******* ***** ****** ****.

**** ******* ***** **** * *****. **** ** * *** times!

*’** ***** *** ********** ***** **** ********* ****** **** ******* in ** ***** **** ** **** ******* ** *** ********* blocks **************. ********* **’* * ******* ** ******* *** ** different ******

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

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

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

*******, * **. * ******** **** *** **** ****. * actually ******* ** *** *********. ********* * *** *****.

*******, ** *** **** **** ******** ** ****?

* ****** ****. * ***** *** ****, **** **** **** disappeared. **** ***** **** ***** *** ***** **** **** ****.

* **** * *** ** ****** ***** **** ******** ** my **** ***. *** ** ** *** ******* ** *** places ** *** ***** ***** ***** ***'* ******* ********* *********. I ***** **** *** ********** ** *****, ** ***** ****** it *** ******* ********** *** ** ********.

***** *** ********** ****** ** **** ** *** ***** *** not ** *** **** *****, * **** **** ******* **** some ** *** *************** **** **** **. ***** *** *** ******** **** * used ** ** **** ** *** **** *** **** *** owner ******** *** *** ******* ******** ** *** ******** **** AFCI **** ******** *** *** ******** **** *******.

**** ******* **** ***** **** ***** ** * ********? ** go ** *** ****** ** ******* *** ** **** & battery ****** ***** ******** ** *** ***** & ****** *****. All * *** ********* ****** ** **** ************ **** (***) fails ****** ***** *******

*********** ********. *'* ******* *** **** **** ** *** ******** electronics ********* *** ******* *** ******* **** *** **** **. But *************, ** *** *********** **** ****** **, *** *** wires ***** *****, ** ***** ** ****.. **** ****** **** no ** *****.

*** ****** **** ***** *** ****** *******? **** *********** *** hardly *** ********* ******* ** *****. *** ***** ***** ********* would **** **** ******** ** **** ****.

** **** ** *** ** **** **** *********** *** ***** intelligent & *** ******* ** *** ***** ******* *** ********* / ****** ******** ****** **** **** ** * **** ****** application **** ***** ** ******** *********. ********* *** ********* & not **** **** *********, ** **** ******* / *** ************ is *** ****** ** *****.

* ****** ** **** ***** **** ** **** ***** *****, get ** *********** ** ******* ******** ******** ** **** **** (Circuit ******* ***** *** ****), *** ********** ** * **** enclosure *** ** *** ****.

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

** **** - * ***'* ***** **. ** **** ** you ** ******* * *********** *** **** ************ *** **** signal.

* ***** ** ** ** * * **** *******, ** EC ***** ****** * **** ****** ** *** **** *** the ******* ***** ******* * ***********., *** *'* *** ** electrician, ****** ******* ** **** ***** ***** ***** **.

***** ****** ***** ******* *** ******* **********, *****, ** *****, those ******** **** *** ***** ** ********* ******** *** **** be ********** *******, ** **** *** **** ********.

********.

********* ******** ********** ** **** ** “****** ***** *******” **. Which ** ** *** **** **** *** **** ******* ** it ***** **** ******* ** ***** *** ******.

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

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