Network Cable Testing Guide

Author: 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

****** ***** ************ ** *** ** *******-**** ************ *******.

*******, ******* ** ***** ** ************, **** ******** **** ********** when ******* **** ********, ********* ** ********* ***************, ** **** worse, **************. ******, *********** ******* *** *********, ***** *** ****** prevent ***** ****** ******* ****** *********** ******* ****.

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

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

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

******* *******, *********, ********** *** ********** *** *** * **** test **** ***** ** ****** ****:

  • ********** *** *** **** ** *** ***** ** **** ** ANSI/EIA/TIA568B *********, ***** ******* ************ ******** *** *********** ********** **** performance. **** ******** ** **** ***** ** ~$**,***, * ** 5x ** * ********.
  • ********** ******* * ******** ********* **** *** *** *** *********-*********, aiming ********* ** **** * '**** *****' **** ** * lower ***** **** **********.
  • ********* ******* ***** **** ** ******* *** ****** ***** ***** basic ***************, *** *** *********, ****, ****, ***. **** *** also **** **** *********, ~$***-***.
  • ******* ******* **** **** ********** ** *** **** ***** ** the *** *****, **** ** ******** ***** ** *************** ***********. These ***** *** *** ****** **** ****, **** **** ** low ** ~$**.

******* *******, *********, *** ********** *** **** ****** ** ************ and ******* *****. ********** *** ********* **** **** ** ** centric ************ ** **** ******** ******** **** ******* ** **** bandwidth *** ***** *** **** ** ***** ******/******* *******, ******* of **** *** *****, *** ********* ********* ** ************.

cable test tools

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

**********

********** **** ****** ******/***/*** *********, ******* * **** ******* ** *****, ********* ***** *** by ********* *** ********** (*******, ******), ***** ****** ****** *** running **** ** ***** ********* *******. *** ***** ***** ******* a ******** ******** ** *****'* ***-**** *********.

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

  • *********:**** **** ******** *** ****** ** ****** ***** ** ****** from*** **** ** * ***** ** *******, ** **** *** cable ** *******. **** ******** *-* ********* ********* ***** (**** ***, *** end, ***** *********, ***.) ********* ** *** ******** ** *** cable ***** ******. ********** ****** **** ***** "*********", ******* *** of ***** ******** ************.

  • *********** *****:**** **** ** ******* ** *******, ********* *** **** ** takes *** ****** ** ***** *** *** *** ** *** cable.
  • ***** ****:**** ***** ******* *** ********** ** ***** ***** *** **** pairs ** *** *****. *********** *********** *** ******** ***** ****** or ******** ******.
  • *********/****** ****:***** *** ************ ** *** ****** **** ****** ** ********** in *** ***** *** (********* ****) ** ** ********* ****** back ** *** **** ***** (****** ****) ********* ****** ** poor ************ ** ***** ******.

*** ***** ***** ************ ***** * ***** ***-**** *********.

***** ********** *** *** **** ****** **** ***** *******, ********* at ***** $*,*** ***, ****** $**,***+ ** *** ********, **** full **** ********* ***** ***** ******** ***** ******* *** $**,***. In ******** ** ******* ****, ********** **** ** ******* **-********** periodically (***** *-* *****), ***** ****** **** * *** ******** to **** * ******** *******.

*** ** *** **** ****** ********** ******** *** ********** ******* such ** *****, **** * ******* ** ************* **** ***** certifiers, **** ******** *********** *********** *** ** *** **** ******.

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

*** ** *** ********** ** ********** **** ********* ** ******* testers ** **** **** ***** ******* ***** *** **** ** submitted ** *** *** **** ** ******** ** ***** **** all ****** **** ****** *** *** ******** *********. **** ************* is ********* *** ******** ** ***** *******.

******* *** ** ********* ** ******** ** *** ****** ** in * *********** (******* .***) ****** ********* *** ****** ***** drops ** * ***** ******.**** ***** ** ******* ** * ******** **** ****** ******** ** a ***** *********.

**********

********** *** **** ********** *********, *** *** *** ********* ********** and ******* ** *********, ****** **** *** ****** ****** ******* verifiers *** **********.

*** ****** ********* ******* *** *******, ******, ************** *** ******* detection ** *********, *** *** ********* **** **:

  • ******* *******: ******* ** ****** ********* ******** ******* ** * cable, ********** **** ****** ***** ** ***** ***** ********* *** basic ****** *** ******** ******* ** **** ******* **/***, ***, etc. ***** ***** ********* ******* *********, ****** *** ** *** level * ********* *****.
  • *** *******: ******* ** ****** ********** **** *** ** *******, qualifiers ******* ************ **** ** ******* *** ******* *******, ***** can ******** ******* * **** ** ***.*** ** ***.**, *** troubleshoot ****** **** ***** ******.
  • ***** **** *******: *** **** ******** ** ********** ****** **** results ** **-***** *******, ** ***** *** ** ******* *** or ****** ** *** *** ** * ******* *** *************.
  • **** ******** ********: ********** ******* **** ******** ***** *********** **** verifiers, ******* *** ********* ******** ** *** ***** *****, *** wehther **'* * ***** ** ********* *****, ***** ****** ** crushed ** ******* (*** *** ***) ******.

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

********** *** *** ** ****** ********* ** ********, **** *****, the***** ********* **, *************** *** ******* ***, ***** **** ** *** **** ****** *** ******* ***** installers.

Cable *********

***** ********* ******* *** **** ****** ***** ****** ** ****** basic ***** ***********, ****** ***** ******** *** ********* **** ** manufacturer. ********* ******* ** *** ******** **** **** ******, *** one ** **** ****** *****, ******* **** *** *** *** of *** ***** ** ** ******. **** **** ***** ******* of **** ****** *** * *********.

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

  • *******: ******* ********** ******* *** ** ********** *********, **** *** correct ***** ** *** ***** ***** ** *** *********, ********* to***/*** ****/*. **** *** ** ********* ***********, *** **** ** *******. Graphical ******* ** **** ******* ** *** *** *** *************, as ** ******** ******* ***** **** *** *** *****, *** how **** *** *******. ** *** **** ** **** ******, it ****** ***** ******* ***** *** *** ****** ******* ****** and ****** *********.
  • ******/******** ** *****: *** ******** ********** *** ****** ** ***** so ********** *** ** **** *** **** *** ****** ****. This ******** **** ***** *** ******** ** ***** ******, **** as ****** *** ******, ** ******* *** ** **** **** easily.
  • ***** **************: **** ****** **** *** * ****** **********, ** that ***** *** ******* ** ******** ****** ** ***** ** once, *** *** *** ******** **** ** ****** ****. **** can ***** *************** ** ****** *** ******** ** **********, ******* of ****** ** ***** * ****** ***** ** * ****.
  • ******* *********: **** ****** ********* *** ****** *** *** ** Ethernet, ***, ** **** ********* ** * *****, *** ***** pairs *** ****. ***** **** **** *** ****** ****** *********, it **** **** ******* * ***** ** ******* **** * switch ** *****-********* ** * ***** ****.

********* ********* ** *** **** *** ***** **** *******, * feature ******** ***** ** ********** *** **********, ****** **** ********** are *********, **** ** *** ********************.

***** ********* ***** ** ***** **** ***** $***-*** ***, **** cost ********* ****** ** ******* **. *** *******, ******* ****, and ****** ** *********.

***** **** ****** **** ** *** ***** *** ** (~$*** ******) ******* * ******* ******* *** ******* ********** ** ******* compared ** *** ********* ******* ** **** ********* ******. **** fully ******** ******* **** ** ******** ************(~$*** ******) *** ************ ******** (~$***), ***** * ****** ********* ******* *******, ** *** ******* to **** **** *******.

********* *** ****** *** *** ********** *** ***** **** **** are **** *** * ******* ******. **** *** **** ** report **** ****** *** *** ******** **** *** ********, ****** time ** ********* / ***************.

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

***** ******* *** ********* *** **** *** **** *******, ******* whether **** **** ** ********* ** **** ****, *** *** testing *** ***** **********. **** *** ** ********* ** ** LCD ******, *** ** ***** ****** ***** ***** * ******** LEDs (*** *** **** **** ** * *** *****), ** occasionally * ** ******** ***** ** ****.

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

***** ******* *** **** ******* *** **** ****** *** ******* tasked **** ****** / ******** ***** ******. ** ********** ******* is ********, **** * ******** ****** ** **** ***** ******* testers ******* ******* *************** *********** ***** ***** ******** ******* **** compared ** * ******** ***** ******** ******** ** *****.

What ** * ****?

** *******, *********** ****** **** ** ***** * ******** ** hand. ******* *** ****** *** *** *** ******** ***** ****** be ****** ************ *******, ***** ** ******* ***** *********. ** ** ****** for ** ***** *** ** *** ****** ** ** ************ to **** ******* ** ******* *****. ******* ** ****** ******** and/or **-*********** *** ***** ******* ********** *** *******, * ******** may **** ******* **** ** *****.

***** ***** ***-**** ******** **** *** ****** ** ******* ** may **** ** ****** ** * *********. *** ******* ** test ******** *** ******** ******* *** ** **** *** **** for ************ *** ***************, *** ** * **************, ***** **** integrators (********** ***** ****) ** *** ******* ***** ******** ** documentation.

**** ** **** ***** ****** *********** ****** ** * *********, since *** ******** ** ****** ** **** ******** ******** ** low, *** ****-***** ************* ***** *** ***** ********. ** **** instances, ********* ** **** *** ******* * ********* ** ****, and **** ******* ********** ** **** ** *** ******** *******. However, ** **** ** **** * ******** ****, ********** *** available *** **** *** * *** ******* *******, **** ***** their *** ** ****** ****, ** **** ** *** **** of *********** ***** ***********.

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

**** ********** *******, *** ***** "*******" *** "****" *** **** up. ***** ***** ******** ***** *******(*) ** ***** ** ***** tested.

  • ********* **** ****** ** ********************** ******* ******* ** * ******* ****. **** ******** * patch *****, *** **** / ********** ***** ***, *** *** jack ** *** *** ***** ***.
  • ******* ******** *** ****** ********* **** ** ******** ** ***** cables ********* ** *** ********* ****.

*********, ********** **** **** ********* ****, ***** *** ***** ***** perform ******** ***** ************. *******, **** *** ******* **** *** entire ******* ** *********. ************, **** ***************, ** ** ***** beneficial ** ******* * ******* **** ** ** *** **** errors ** ***** ****** ** ***** ***** ******** ***** * permanent **** **** **** ***. *** ****** ** ** **** should ** ******** ***** ** *******.

**** *** ******* *** ********* ***** ********* ********, **** *** link ******** ********* * ***-********** ***** **** ***** ***** **** jacks/patch ****** *** ******* ******** ********* **** ** **** ****, into ***** **** ***** ****** *** *********, ***** *****.

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

**** ******** *** ******* **** ***** (***/***/****, ***.), *** ***** may ** **** *** ****** ******* ** ******** *******. ***** testing ** * **** ******* ***** **** **** ****** ***** certification, ********* ******** ** ***** ** ******* ********. *** **** details, ***:***** ***** ****** *** ************.

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

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

Comments (39)

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

** - ****** *** *** *******. * ** ******* ***, 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 ***** **** **** **** ******? ******** ****** ******** **.

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

** *** ******* * ******** ** *** ********** ******* ******* 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 * ******** ****** *** *** ** *** ****!

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