The concept of Permanent Link testing is a critical part of Category 6 testing. It takes into account not only the horizontal cable run but the behavior of patch cords at either end, for a more complete picture of overall end-to-end run performance. For best results, make sure the tester you select has Universal Permanent Link testing capability. This means your tester will function with any true Cat 6-compliant jack. Otherwise, you may need to purchase additional pieces, such as an adapter, to function with your specific brand of jack.
Also, remember that when you put your new Cat 6 wiring into service, you must use Cat 6 patch cables as well. Mixing legacy patch cables with new wiring has always been a problem, so beware.
Know What You Need
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Feature Checklist
Before you buy, consider the following:
1) Screen display: full color, grayscale or black and white 2) Talk-set ability: eliminates the need for job radios or walkie-talkies 3) Storage: removable flash card stores thousands of tests; built-in buffer stores hundreds of tests 4) Reporting: can be dumped onto a PC, for free or fee 5) Scanning ability: coaxial and fiber cable adapters 6) Battery life 7) Testing speed For details and prices on specific makes and models, use our Interactive Buyer's Guide charts. |
Level III testers must cover the basic requirements of the Category 6 cable standard. Beyond the basics, though, it's important to be aware of how manufacturers' product features differ. It's just like buying a car: Armed with knowledge of the standard features and various options, you will be better equipped to define your needs before you entertain the tester sales folk.
Most testers will live up to their basic charter of evaluating cable with a predefined battery of tests. But you may be more concerned with testing speed and ability to store large numbers of reports for later download, for instance, while someone else's priorities may be ease of use and battery life.
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