Powerline Networking For Video Surveillance Advocated By Comtrend

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