Network Cable Testing Guide

By: John Scanlan, Published on Oct 02, 2018

Proper cable installation is key to trouble-free surveillance systems.

However, testing is often an afterthought, with problems only discovered when cameras have problems, resulting in increased troubleshooting, or even worse, reinstallation. Simple, inexpensive testers are available, which can easily prevent these issues without adding substantial install time.

In this guide, we examine:

  • Wiremapping
  • Cable Identification
  • Service Detection
  • PoE Detection
  • Crosstalk
  • Propagation Delay
  • Low Cost Cable Testers
  • Cable Verifiers
  • Cable Qualifiers
  • Cable Certifiers
  • Choosing Between Verifiers, Qualifiers and Certifiers
  • Channel vs Permanent Link

The Four Main Test Tool Types

Wiremap testers, verifiers, qualifiers and certifiers are the 4 main test tool types to select from:

  • Certifiers are the only of the three to test to ANSI/EIA/TIA568B standards, which ensures manufacturer warranty and essentially guarantees link performance. Main downside is high price of ~$10,000, 4 to 5x of a qualifer.
  • Qualifiers deliver a detailed technical test but are not standards-compliant, aiming primarily to give a 'real world' test at a lower price than certifiers.
  • Verifiers provide tests such as wiremap and length which allow basic troubleshooting, but not crosstalk, loss, skew, etc. They are also much less expensive, ~$100-300.
  • Wiremap testers only test continuity on all four pairs of the UTP cable, with no advanced tests or troubleshooting information. These tests are the lowest cost type, with some as low as ~$10.

Wiremap testers, verifiers, and certifiers are most common in surveillance and covered below. Qualifiers are typically used more in IT centric applications as they actually transmit real packets to test bandwidth and allow for more in depth switch/network testing, instead of just the cable, not typically necessary in surveillance.

cable test tools

****** ***** ************ ** key ** *******-**** ************ systems.

*******, ******* ** ***** an ************, **** ******** only ********** **** ******* have ********, ********* ** increased ***************, ** **** worse, **************. ******, *********** testers *** *********, ***** can ****** ******* ***** issues ******* ****** *********** install ****.

** **** *****, ** examine:

  • ***********
  • ***** **************
  • ******* *********
  • *** *********
  • *********
  • *********** *****
  • *** **** ***** *******
  • ***** *********
  • ***** **********
  • ***** **********
  • ******** ******* *********, ********** and **********
  • ******* ** ********* ****

The **** **** **** **** *****

******* *******, *********, ********** and ********** *** *** 4 **** **** **** types ** ****** ****:

  • ********** *** *** **** of *** ***** ** test ** ****/***/******* *********, which ******* ************ ******** and *********** ********** **** performance. **** ******** ** high ***** ** ~$**,***, 4 ** ** ** a ********.
  • ********** ******* * ******** technical **** *** *** not *********-*********, ****** ********* to **** * '**** world' **** ** * lower ***** **** **********.
  • ********* ******* ***** **** as ******* *** ****** which ***** ***** ***************, but *** *********, ****, skew, ***. **** *** also **** **** *********, ~$100-300.
  • ******* ******* **** **** continuity ** *** **** pairs ** *** *** cable, **** ** ******** tests ** *************** ***********. These ***** *** *** lowest **** ****, **** some ** *** ** ~$10.

******* *******, *********, *** certifiers *** **** ****** in ************ *** ******* below. ********** *** ********* used **** ** ** centric ************ ** **** actually ******** **** ******* to **** ********* *** allow *** **** ** depth ******/******* *******, ******* of **** *** *****, not ********* ********* ** surveillance.

cable test tools

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

**********

********** **** ****** ******/***/*** *********, ******* * **** battery ** *****, ********* those *** ** ********* and ********** (*******, ******), while ****** ****** *** running **** ** ***** crosstalk *******. *** ***** below ******* * ******** overview ** *****'* ***-**** certifier.

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

  • *********:**** **** ******** *** amount ** ****** ***** is ****** ******* **** ** * cable ** *******, ** from *** ***** ** another. **** ******** *-* different ********* ***** (**** end, *** ***, ***** crosstalk, ***.) ********* ** the ******** ** *** cable ***** ******. ********** simply **** ***** "*********", without *** ** ***** detailed ************.

  • *********** *****:**** **** ** ******* to *******, ********* *** time ** ***** *** signal ** ***** *** far *** ** *** cable.
  • ***** ****:**** ***** ******* *** difference ** ***** ***** all **** ***** ** the *****. *********** *********** can ******** ***** ****** or ******** ******.
  • *********/****** ****:***** *** ************ ** the ****** **** ****** by ********** ** *** cable *** (********* ****) or ** ********* ****** back ** *** **** point (****** ****) ********* caused ** **** ************ or ***** ******.

*** ***** ***** ************ using * ***** ***-**** certifier.

***** ********** *** *** more ****** **** ***** testers, ********* ** ***** $5,000 ***, ****** $**,***+ is *** ********, **** full **** ********* ***** optic ******** ***** ******* for $**,***. ** ******** to ******* ****, ********** must ** ******* **-********** periodically (***** *-* *****), which ****** **** * few ******** ** **** a ******** *******.

*** ** *** **** strict ********** ******** *** calibrated ******* **** ** these, **** * ******* of ************* **** ***** certifiers, **** ******** *********** *********** *** ** *** most ******.

Certification **** *******

*** ** *** ********** of ********** **** ********* or ******* ******* ** that **** ***** ******* which *** **** ** submitted ** *** *** user ** ******** ** proof **** *** ****** have ****** *** *** properly *********. **** ************* is ********* *** ******** in ***** *******.

******* *** ** ********* be ******** ** *** format ** ** * spreadsheet (******* .***) ****** detailing *** ****** ***** drops ** * ***** system.**** ***** ** ******* ** a ******** **** ****** produced ** * ***** certifier.

**********

********** *** **** ********** functions, *** *** *** precisely ********** *** ******* to *********, ****** **** the ****** ****** ******* verifiers *** **********.

*** ****** ********* ******* the *******, ******, ************** and ******* ********* ** verifiers, *** *** ********* such **:

  • ******* *******: ******* ** simply ********* ******** ******* on * *****, ********** runs ****** ***** ** check ***** ********* *** basic ****** *** ******** whether ** **** ******* 10/100, ***, ***. ***** tests ********* ******* *********, though *** ** *** level * ********* *****.
  • *** *******: ******* ** simply ********** **** *** is *******, ********** ******* measurements **** ** ******* and ******* *******, ***** can ******** ******* * port ** ***.*** ** 802.at, *** ************ ****** with ***** ******.
  • ***** **** *******: *** vast ******** ** ********** record **** ******* ** on-board *******, ** ***** may ** ******* *** or ****** ** *** end ** * ******* for *************.
  • **** ******** ********: ********** display **** ******** ***** information **** *********, ******* the ********* ******** ** the ***** *****, *** wehther **'* * ***** or ********* *****, ***** caused ** ******* ** damaged (*** *** ***) cables.

********** *** * ***** price ******** **** *********. The***** ************ *** *****$*,*********, ****** *** ***** the ***** ** ***** verifier *****, *** ************. Some, **** ** *****'* SignalTEK ** **** (~$*,*** ******), *** ****** **** higher.

********** *** *** ** widely ********* ** ********, with *****, ******** ********* **, *************** *** ******* ***, ***** **** ** the **** ****** *** popular ***** **********.

Cable *********

***** ********* ******* *** most ****** ***** ****** to ****** ***** ***** performance, ****** ***** ******** and ********* **** ** manufacturer. ********* ******* ** the ******** **** **** itself, *** *** ** more ****** *****, ******* into *** *** *** of *** ***** ** be ******. **** **** allow ******* ** **** cables *** * *********.

*** **** ****** ******** of ********* ***:

  • *******: ******* ********** ******* UTP ** ********** *********, with *** ******* ***** in *** ***** ***** on *** *********, ********* to***/*** ****/*. **** *** ** displayed ***********, *** **** or *******. ********* ******* is **** ******* ** use *** *** *************, as ** ******** ******* which **** *** *** issue, *** *** **** are *******. ** *** case ** **** ******, it ****** ***** ******* there *** *** ****** between ****** *** ****** conductor.
  • ******/******** ** *****: *** verifier ********** *** ****** of ***** ** ********** may ** **** *** does *** ****** ****. This ******** **** ***** the ******** ** ***** faults, **** ** ****** and ******, ** ******* can ** **** **** easily.
  • ***** **************: **** ****** unit *** * ****** identifier, ** **** ***** may ******* ** ******** cables ** ***** ** once, *** *** *** handheld **** ** ****** each. **** *** ***** troubleshooting ** ****** *** existing ** **********, ******* of ****** ** ***** a ****** ***** ** a ****.
  • ******* *********: **** ****** verifiers *** ****** *** use ** ********, ***, or **** ********* ** a *****, *** ***** pairs *** ****. ***** this **** *** ****** proper *********, ** **** show ******* * ***** is ******* **** * switch ** *****-********* ** a ***** ****.

********* ********* ** *** save *** ***** **** results, * ******* ******** found ** ********** *** certifiers, ****** **** ********** are *********, **** ** the ********************.

***** ********* ***** ** price **** ***** $***-*** USD, **** **** ********* driven ** ******* **. LED *******, ******* ****, and ****** ** *********.

***** **** ****** **** as *** ***** *** II (~$*** ******) ******* * ******* display *** ******* ********** of ******* ******** ** the ********* ******* ** more ********* ******. **** fully ******** ******* **** as ******** ************(~$*** ******) *** ************ ******** (~$***), ***** * ****** graphical ******* *******, ** the ******* ** **** test *******.

********* *** ****** *** for ********** *** ***** time **** *** **** for * ******* ******. They *** **** ** report **** ****** *** the ******** **** *** verifier, ****** **** ** discovery / ***************.

Wiremap ****** / ******* ***** ******

***** ******* *** ********* low **** *** **** wiremap, ******* ******* **** pair ** ********* ** both ****, *** *** testing *** ***** **********. This *** ** ********* on ** *** ******, but ** ***** ****** shown ***** * ******** LEDs (*** *** **** wire ** * *** cable), ** ************ * if ******** ***** ** used.

*** ***** ***** ************ wiremapper ***.

***** ******* *** **** limited *** **** ****** for ******* ****** **** making / ******** ***** cables. ** ********** ******* is ********, **** * verifier ****** ** **** since ******* ******* ******* limited *************** *********** ***** could ******** ******* **** compared ** * ******** which ******** ******** ** fault.

What ** * ****?

** *******, *********** ****** keep ** ***** * verifier ** ****. ******* and ****** *** *** key ******** ***** ****** be ****** ************ *******, ***** ** devices ***** *********. ** is ****** *** ** least *** ** *** cables ** ** ************ to **** ******* ** shorted *****. ******* ** simply ******** ***/** **-*********** the ***** ******* ********** the *******, * ******** may **** ******* **** is *****.

***** ***** ***-**** ******** with *** ****** ** support ** *** **** to ****** ** * qualifier. *** ******* ** test ******** *** ******** results *** ** **** not **** *** ************ and ***************, *** ** a **************, ***** **** integrators (********** ***** ****) do *** ******* ***** services ** *************.

**** ** **** ***** should *********** ****** ** a *********, ***** *** quantity ** ****** ** most ******** ******** ** low, *** ****-***** ************* tests *** ***** ********. In **** *********, ********* or **** *** ******* a ********* ** ****, and **** ******* ********** as **** ** *** closeout *******. *******, ** this ** **** * periodic ****, ********** *** available *** **** *** a *** ******* *******, well ***** ***** *** of ****** ****, ** well ** *** **** of *********** ***** ***********.

Channel ** ********* **** *******

**** ********** *******, *** terms "*******" *** "****" may **** **. ***** terms ******** ***** *******(*) of ***** ** ***** tested.

  • ********* **** ****** ** the******************* ******* ******* ** a ******* ****. **** includes * ***** *****, the **** / ********** cable ***, *** *** jack ** *** *** other ***.
  • ******* ******** *** ****** permanent **** ** ******** to ***** ****** ********* to *** ********* ****. Note: ** ** ********* to *** *** ***** cables **** **** ****** onsite *** ********* ** the *******, ** ******* to ***** *** ***** cable ** ******* *** channel ***** ** * site.

*********, ********** **** **** permanent ****, ***** *** users ***** ******* ******** after ************. *******, **** may ******* **** *** entire ******* ** *********. Additionally, **** ***************, ** is ***** ********** ** perform * ******* **** as ** *** **** errors ** ***** ****** or ***** ***** ******** which * ********* **** test **** ***. *** method ** ** **** should ** ******** ***** to *******.

**** *** ******* *** certified ***** ********* ********, with *** **** ******** including * ***-********** ***** lead ***** ***** **** jacks/patch ****** *** ******* adapters ********* **** ** RJ45 ****, **** ***** user ***** ****** *** connected, ***** *****.

Fiber *** *** *******

**** ******** *** ******* pair ***** (***/***/****, ***.), but ***** *** ** used *** ****** ******* or ******** *******. ***** testing ** * **** complex ***** **** **** copper ***** *************, ********* training ** ***** ** perform ********. *** **** details, ***:***** ***** ****** *** Surveillance.

Test **** *********

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

Comments (46)

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

** - ****** *** *** *******. * ** ******* ***, and * ** **** ****** *** ** ****. * **** has **** *****.

******!

* **** *** * ************ ****** **** *******. **'* * $200 ****** **** *** ********* ** * $**** ***** ******. I'm ***** ** **** ** ** * ***** ****. *'* appreciate ** ******** *** **** *** ***** ***** ******* ** that. ***** **** **** *** *******.

** **** * ****** ** ****. **** *****!

**** **** *** *** *** ******* **** ** *** ****** block. *** *** ** *** *******, *** ***** *** *** error **** ***** ***.

**** *** ******* ** ** * ****** *** *** ***** link *****, *** ******* *** *** ***** **** ***'** ********* to (** **** ** ******* ** *** ******).

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

** **** *** ****** ******** ** ****. * *****'* ****** it *** ******

**, ****'* ***... * ******* *** ***** *** ** ****'* show ** *** ****. ****'* *** ** ****** ***** ** not **** *** ******* :)

*'* **** ** **** **** ****** ** **, ** **'* that ***** *** **** ***** * *** **** *** ** for ** *** ***. *** ********** **** *** * *** to *** **** *** ****'* **** ****.

****** **'* * *********** *** * ******* ** *** *** building * ****** *** *** ***, **** ***** ** ****** spent *********. *** ********** *** *****/***** *****'* ******* ******** ** much ***** ** *** ******.

*** *** ********* **** ***'* ******* ***** *******, **** **** the ***** **** ******* ****** ** * **************.

** * ******** ****, * *** ******* **** ******* ** over *** **** ***** * ****** **** *** ************** ***** cycling, ******** ** *** * ****** ******, ********* ** ******* times **** ***** **** $**** *****. ** *** * **** in ** *** *** ******. ***** **** *** ******* ***?

*** **********, * **** **? *'** *** ******* ****** **** clients. *** ****** ******** * ****-***** **** **** ****** ****** and *** ******* **** ** *** ***, ***; ******* **** down ********. * *********** ******* *** *********** *** ******* **** didn't *** * *******-***** **** *** *** **** ****** *** of * **** *********. ** **** ** *** ** ** minutes ** *** *** **** ** **** *** ***** ** get * ****** ** *** ** * ****.

** **** ****, **** ** **** *** "*********" *** *****, it ******'* **** ****** ** ** ******** **** ****.

****. *** ************ **** *** *********. ******* ******** *** ****, found *** ****.

*** **** ***********, * **** *** ********* **** .*** ******* whom ***'* ******* ******** *************. ** * **** ** ******* that, ** ***** **** *** (*** ******) $*** ** **** a *** *** *** ******* **** ******* ** ********* *'** never *** * ******* ****. *'* ***** ** **** **** last ****** ** *** *** ******* ** **** **, *** I ******'* **** *********** ******* ** ** (********) *************. **** money ** ****** ***** ********* ******** ******** ** **** ** my *****.

* ***'* ****** ** *******, *********** ********** *** * ******* it ***** ** **** ** ******* * ****** *********. *** structured ******* ******** *'* ******** ******* **** ***** ******* ****** someone *** *** ** ***** * ****, *** *** *** or ****** ***** ***** **** ** ******* **. **'* *** a ***-**** ***** ** **** *****.

***********. * ***** **'* **** ***** ******** ******** ** ********** cabling. *'** ******* **** ***: ******* ***'* **** ***** ******* documentation, ******** ************ ********, *** *********** ***'* **** ***** ******* all ****.

** ******, ** *** ********* *** *** ********. *** * law, *** **** * ******** ********. *** **** *** ** considered ** * ************ ******* ** *** ***'* ******* **-***** certificate, **** ******* *********, ***** ***** **** *** *** ******* elements, **** ********* ******, ******* **** *******, ***. **, ** 10 ***** ******** **** ***** ** *********** ********'* ******* *** it **** **** **** ******* ** ****** *** *** ***** system ******.

**** *** ******* ********* ** *** ****** ****. **** **** of *** ******* ******** ****** **-**** ******* ***.

******* *********** ********* ** **** ** * ******** *** **** little ** *** **** ** ********. ***** *** *** ****** need ** **** ******** ************* *** ** *********** *** ******* the ****** *** ***** ** ******* * ********* ******* **************?

***'* *** *** **** **** ******** ******. ** * ******* each, ****'** **** *** ***** ** ********. ** $*** ** hour, *** *** $**,***. **** ** $** ** ****, ****'* $13,360.

*** $** *******, $** *** ****, $** *******.

***** *** ******* *** **'* ***** *** *****.

* ***'* *****. **** *** **** **** ****** **********, *** guy ****** ** * **** ******, ***** *** ***** ****** the ********. **** ******* **** ** ** ** *****/**. **, for **** ***** **** *** *** ***-***** ** **** *******. It's **** *-*% ** *** ******* ****** ** **'** ******* about * ******* **** ****.

**'* * ****** *********, *** ***'* **** * ****-********* ****** tech ** ***** *** ******. *** *********** **** ** *** job *********. ** **** *** ** **** *****, ********** **** you ****** $*** ***/**.

* **** *** *** **'* *** **** *-*% ** *'* honest. ** **'* *** ****'* ** *** **********, * ***'* just *** ** ** *** ***. * ******** ***** ***** on ***** **************. * ***'* **** *** *'** *** * few ***** **** *** ***** ** ** **** ******* ** their *****. **'* ******** ***** *** *** ********** ** * different ***** **** ** ********** ***. ******* ** *** *********** and ********** ***** ***** ********** *** ******* **** * ***** cert ** ***** ****** ***-****, *** * ********** *** **** ask ***: "*** ***** *** ***** ** ****!?".

** *** ********** ******** * ******* *** ******* *** ****, you ******* * *** ** *** ******** ***** *** *** comfortable ****, *** ******* *** ****. ** *** **** ** provide **** **** ****, *** **** ** ******* * ****** order *** **** *** **** ** * ****** **** ****** has ** **** **** * *** ********* ** ** *** first *****.

*** *** ***** **** **** ******** *** ** *** **** a *********/*** ** ********* ****** ** **** ** *******? * am *******.

* **** ** **** ** * **** **** *** * $143/day *** ****! *'* ***** ** * *** $**.

***** *****, **** *** **** ******, ** ** **** **** involved **** *******, ******* *************. *** ***** *** * *** that ******** *************, ******* *** ** ********** *** ***** *** and *** *** ***** *** **.

* **** ** ******* *******, **'* ********* *** *** ** back ** ** ***** **** ****** **** ****, *** ***** make *** ***** ** *** ****** ** ** ****** ****** to ******* ***** ***** ********, ******* *** ***'* ***** ** was ******* **** *** ****.

** ***'** ***** * *** ** ***** **** **** ***** runs, * *** *****, ** **** ** ******** ** *** requiring ** ***** * ********* ** ********. *** ** ***'** regularly ***** **** **** **** ******? ******** ****** ******** **.

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

***** *** **** *** ******* *** ******* *********** ****** $***-$*** per *** ********* ** ***** ***** *** *** ******* **. Also **** ** **** **** ***** **** **** *** ** that *****. **** ***** **** **** ** ******** ** * room *** ***** *** **** ** **** **** ******* *** diem ** ***** ******.

******* **** ** *** *** **** **** ****** ** *** last ****** *** **** *** $*** *** ***** ** *** can **** ** *** ***** *($**-$***) *** ***** ****** *****. Summer ** ***** ** **** **** ****.

*** ********* ********** ***** ** ** *********. ***** ***** ******* hipsters **** **** ***** ** ****.

** *** ******* * ******** ** *** ********** ******* ******* certifying? **** *** ***** ************* ******* ***** ******** **** ************ certification?

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

*** ****** ** ***-****:

*) *** ******** *'* *********** *** .*** ****'*/******** *******. * couldn't ********* ***** ***** ***** **** ** *** ************ *** performed ******* * *****. * ** ****** ******* * *** IFS ******, **** ******* **** *****'* **** *** ***** ******, or **** ****** **** *** **** ****. **'* *** **** if * ****** ***** *** ** ******* ** ***-***-***** ****** they ******. *** *** ******** ********** ** *** ****, *** you ******'* *** ******** *******'* ***** * ********* **** ** will ****.

*) ** ******** *** ********* ** ******** ********** (** ****) and *** ****** (.***) ******* ********* ** *** ************ **** certification. *** **** ******* ** *** (*** *** ***** *** Congress) **** *** **** ***** ********* *** ***** **** ******* the *******, *'* ****. ** *****, * ********* *** ******* meets ********* *** **** **** *************, ******* ****.

**

* *** **** ********* ***** ** ***** ** *** **** a ****: ******* ***** **** **** *** **** **** ** time ********, ** ******* ********** **** ******* ** ********.... **** bothers ** ** **** *** ** **** *** ***** ******** we ****, *** ** ***** ********* ** **** ******, *** qualify *** ***** ** **** ... ** ******** ******** *** witnessed *** ****** **** **** ******* ***** ***, *** ** redo *** ******* .... *** ******** *******!!

** **** ***** ** ****** ** * ***** *********; *** violent **** ** *****, **** ******-**** *** ** **********. **, rather ******** ** ******** *** **** **** ********** **** ********* supervision ** ***** ************. ** ******* **** ************* ** ***** certifiers *** ******* *** ** ***** ** * **** *** a ********** ****** ***** ************* **********/****.

***** * ***** **** *** ** ******, *** **** *** it **** *** ** **-***** *** ***** ***** ***** *** had *** *****? ******* ** *** *** ** ** **** at *** ***** *****, * ********* ****** ***** ***** ****** some *****.

**** ******* *** *** ******** **** ********. **** * ********* tester, *** *** ***** *** **** ****** **** ***% ** damn ***** ** ** ** *** **** ** *******, ** if **** ****'* ***% *******, *** *** *** **** ** cover ******** ******** ** ********.

*** ****** *********** - ***** ** * ******. ********** ** the ************* *****. *** ** ***** ** *****.

**** ******** ** ******** *** ****** ** *** ******* **** world ***** “******” *** *** ****** ***** ** ****** ** Fluke.

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

** ** ** ********* ***** ****** ****. ***** * ****** that, * ****** ** ** **** *** **** “** **** than * ******* ** ***** ***** ****** *** ***** ** tell ** * ******** ** ********** ***** **** * ******* razor”

*** ****** ** **, ******* * *****, *** ****** **** at *** ****.

******* ***** ****** *** *** ***? *** *** **** ****** shown ** *** *****, *** ***** *** ** **** * wire *** ********** ******. ***** **** ** *** **** *** performance ** *** *******, **** **** *** ************ *** ** the ******* *****.

*** ** * ***** ** ***** ********* **** ****** *** cabling *** *** **** ***** ****** ******?

* *** * *** **** **** ******** ****** ** ** tested ***** ***** ** ***** *******. ******** **** **** *** not **** ******* **** ******* ******* ** "***** **". ******* know *** ****** ** ****?

**'* *** ***** *** ***** ****** *** ******** ******. *****'** 4 ***** *** *** ***** * **** ** ******** ****. Just **** * ***** ***, ******* *** *** *********. ** qualifies ** **.

***** *** ** *** ***** */******** **. * ***'* ***** you *** **** * ****** **** ** **** *** *** L3/4/5. **** *** ***** :)

****** *** ******* ** ****/***-****

**** ******* ** ********? :)

** **** ** *** * ********* ***, *** **** ****** and *****, ** **** ** **** **********, *** *** ***** are *** *********** ** ******** ** ***** ******** (** **********) EOL's *****, ***** ** *** **********, ** *** *** ***** to ******** ******** ***. ***** ***** ** **** * ********** priced ********* *** **** ****. **'* *** ** ***** ************ that **** *** **** * *** ** *********** **** *** years, ** *** **** *** * *** ****** **** ** both *** ****** *** ***** **********.

* *** ***** ** * *** ** *** ********* **** makes **** ******, *** ***** *** **** **** ** *** them ** ********* ***** * ****** ** ***** (*? *?) You'd ***** *****, ** **** *** **** ***** **** *** upfront **** ******** *******.

**** ******* *** *********** ******** ***, * ***** ***** ** a *** ***** ** ** *** ***** ******* *********, *** certifiers. *** ******** *** ************ ********* ***** ***** ** * lot **** *** ******** (*** *****) ************ *** ******* ****** up (************* *** *****) **** *** ***** ******* *** ********* testers.

* **** *** **** **** * *** **** ***** ***** across ***** *** (******** ***.) ******* **** *** ******* ******** in *** ***** ********* *** *’* *** **** *** ***** the *********** ** ********* *** ** ** *** ****** **** is ***** ** ** ***** **** *** ********* ******* **** simple *********. ** ** ***** ** * *** ** **** here **** ***** **** **** * ********* *** **** *** and ** *************** ********. **** ** *** **** ** *** think ?

*********** *******, *'* **** ** *** ** **-******* ** * compact ******** ***** ** **** ** **** ********** ** **********.

***** *** ******* ********* ************ ******* *** ******, ********** ****** the ***** ******** ******* ***, ****** ********** *** ** ***** on * *** ** *** *** *** ***** ***** ** most ** *** ******** ** ***** (****** ** **** ** the **** **** *****).

** ***** *** **** *** ** ********** ******** ***** ** 'On **** *****' *********** *** *** *** ** ***** *** the *******.

*** *** **** **** ********** *** ***** *** ** *** cannot ********* *** *******, **** **** ****...

***** **** ***** ****** *** ******** ***** *** ****** ******** Speed ********* & ******* ****** ********. * ********* * ** these *** ** ******* ****** * ***** *** *** ***** very **** *** **** ** *** *****. *** ******* *** will ***** ******* **** ******* ** ** ***/* ** **** standards ***.* *** **** ** *** *******, **** *** **** Discovery, **********, *** ***** ****** ******** ******* *****. **** ****, SNR, **** *** **** *** **** **** ** **** **** optional ******* *** ** ******* ** **** ** ****** ***** tests *** ****** *** ************* ******* ** *** ** ***** format. *** **** ******* ** **** ** *** ** *** interface *** ****** ********** *** ******* *** ******** *** **** intuitive *** **** ********* **** *********. * **** **** **** address **** ** *** **** ******** ****** ** *** ****** dealer **** ** $****+***** *** ** *** **** * ********** investment *** ** ** ** *** ** ** ** **** for *************** **** ** ** *** ************* ** ********** ******* systems. ** ***'* ***** * **** ********* ******* ****** **** 25 **** ******** ** * **** **** *** **** **** a ***** **-** ***** ** ** ** ***** ********** ** the ******* *********** ********. ** ** **** **** ** *** cabling ******** *** ******* *** ** ** ******** ***** ********* it ** ******** **** ** ***** ** * ********** **********. With *** ********** **** ** ********* ***** ** ** ****** ridiculous **** ***** *** *********** ****** $** ***** **** *** their ********** **** ** ****** ** ******* ***** $****. ** have *********** *** *** $*** **** ***** *** *** ***** shuttle ** ***** *** ** **** *** **** ***** **** these ******* ****** **** **** **** **** ** *** *** and ********** ********. * ***'* *** ***'* **** **** ****....******! Take * ***** **** ** *** ************ ********** ********* ***** tester & ******** ******* ******** *** ****** $*** ***. * have **** ***** * *** ******* ** **** **** *** all *** ********* ******** *** * ** ***** ** ***** 1 ***** *** **** ** * **** ***. ****** **** using * ***** ** ***** ************* ****** ** ***** * 25 ** ******** * ** ***** ** *** **** ****** pocket ***** **** ** *** * **** ** ******** ** my ****** *** **** *** **...********** *** ***************. * ** totally *** ************ ************ ** *** ********** ****** ****** *** having **** ****** *** ****** *** *** ****** *** **** it *** ******** ** ***** *** ** **** *** ***** slammers *** *** **** **** **** **** *** *** ***** to ***** * ***** ** ******** ** **** ** ****. Fluke ***** ***** ******* *** * *** ***** * *** Fluke ***** *** **** ** ***** **** ******* ******* *** a ******** ******. *** ** ***** *** *** ** *** no ******* **** *** *** ** ** *** *** **** lost * ******** ****** *** *** ** *** ****!

**** *******, ***** *** ********** ******* ******** "********** *** *** as ****** ********* ** ********, **** *****, ******** ********* **, *************** *** ******* ***, ***** **** ** *** **** ****** *** ******* ***** installers."

** ** ****** *** "*****, ******** ********* **, *************** *** ******* ****** ********** ** **********?

**** **** ***** ** ** ******* *** ****** ** *** many ***** **** ********* *** ***** ** **** *** *****

********** *** * ***** ***** ******** **** *********. ******** ************ *** *****$*,*********,almost *** ***** *** ***** ** ***** ******** *****,*** ************. ****, **** ** *****'* ********* ** **** (~$*,*** ******), *** ****** **** ******.

***=*****

** * *** **** ******* ***** ** * *** ****** to ******** *** ***** ********* ***** ****** *. ** *** past ** **** ****** ****** ***** *** "*******" ******, *** we **** **** ***** *** **** ***** **** **** *** over *****.

****'* *** * **** ******* ****, *******? ***** *** ***** cord ** *** ******* ** *****, ** *** ** ******* doing **** ** * ****** ********* **** ****, *******?

* ****** ** *** *** ** **** ***** ******** ************* for ****** ********** **** ** *** ******* *** *******. ***** we ****** **** *** ***** ********* ** ***** **** ** are *******, ***** **** *** ** ***** ***** ** ******, should ** **** ** ***** * ********* **** ****? ****** we *** ********* *** ************** ** ****. *** ***** ***** to *** ***** ** *** ***** ***. ** **** **** in **** **** *** *** *** ******, **** ***** *** patch *****.

** ************* *** *** ******* **** ****, ***** ** ** the ******* *** ******* ** *****, ** ** *****, ** test **** ***** ***** ** ***** *****.

***, *** ***** ***** **** **** ** **** ** *** equipment ** *** *** **** ****** ** ****. * **** add **** ** *** **** ** **** ** ***** - thanks *** ******** **** ***.

*** **** ** **** *** *** ********** *** ******* **** will ** ****. ** *** *** ********** * *** ***** without ******* ********* ** ***'* **** *** ******** ** ***** devices ** *** ****** **** ** ******* **, **** ** probably ***** **** ***** ** **** ******* * ********* **** test ***** *** **** ** ******* *** ***** ****** **** you *** ******* **** ** *****.

** *** ******* ************ ****** ******* *** *** **** *********** for ********* ***** ****** / ******** ** *** ********* **** it ***** **** **** ***** ** ******* * ******* ****.

****'* *** * **** ******* ****, *******? ***** *** ***** cord ** *** ******* ** *****, ** *** ** ******* doing **** ** * ****** ********* **** ****, *******?

** *** *** ** * “**** ******* ****”, *** * believe *** *** *** *** ***** ** ** ***** ****** than * ********* **** ****.

*****, ****, *** **** ** ****** *** ***** ****** (**** if **** *****-*** *** *** ********* ****), ** ******** ** give *** * **** ** * **** **** ***** ********* give *** * **** ******* ****.

*** **** ** *** ********* ***** ****** ********** *** ******* fault, **************** * **** ** * **** **** ***** **** ** tested ******* ****. *** ** ****** ** *** ***** ******, for *******.

** ** **** ***** *** **** **** *********. *********, * think ******* **** *** ******* ************* ** *** ***** ****** that **** ** **** ** *** ******* *** ***** ** beneficial.

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