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Testing

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samuri

Technical User
Feb 8, 2002
82
US
Can someone tell if link and Channel testing are both to code?
 
Channel and Link testing specifications are from the EIA/TIA 568 standards, they are not codes. The standards are produced as voluntary guidelines although some jurisdictions adopt the standards much as they adopt the NEC as a code. Where this is done, the installations must be compliant with the EIA/TIA standards. It is only my opinion, based on my experience and education...I am always willing to learn, educate me!
Daron J. Wilson, RCDD
daron.wilson@lhmorris.com
 
You'r right I should have said standard. Anyhow someone told me that channel testing went the way of 568b. My last Tia/Eia is November 2002 maybe theres an update I dont have or he could just be wrong either way thanks for the responce.
 
Channel Testing is still in the standards. What we use to call a Basic Link test has been changed to a Permanent Link. The test parameters were slightly changed as to how the tester looks at the connectors and cables at each end.

A Level III tester will have the Permanent Link now instead of Basic Link, you may also see the max length changed on the tester. On a basic length the max was listed as 308’, this was to allow for the test leads and 295’ of cable. Since a Permanent Link test doesn’t look at the test leads you are at 295’.

This doesn’t mean the standards have changed as far as length of your cable runs, still 90 meters or 295’ for a Permanent Link, and 100 meters or 328’ for a Channel Link. If you test Channel Link, it MUST be with the patch cords you are leaving at each location for your client to actually use.


Richard S. Anderson, RCDD
 
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