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standards and guidelines for communication sites - Radio And ...

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STANDARDS AND GUIDELINES FOR COMMUNICATION SITES EQUIPMENT CABLING<br />

Server<br />

Service Computer<br />

9.9.6.7 GROUNDING<br />

FIGURE 9-15 ADDITIONAL HUB/SWITCH USED FOR DISTANCES GREATER THAN 100 M<br />

Grounding shall comply with Chapter 5, “Internal Grounding (Earthing),” of this manual, NFPA 70-<br />

2005, Article 250; ANSI-J-STD-607-A-2002, <strong>and</strong> CSA-T527.<br />

9.9.6.8 LABELING<br />

Equipment<br />

Room Hub/Switch<br />

100 m<br />

(328 ft.)<br />

Cables shall be labeled at both ends <strong>and</strong> at any pull boxes or junctions as described in “Cable Labeling”<br />

on page 9-30. See also ANSI/TIA/EIA-606-A <strong>and</strong> CSA-T528 <strong>for</strong> detailed labeling <strong>guidelines</strong> <strong>and</strong><br />

suggestions.<br />

9.9.6.9 TESTING NETWORK CABLING<br />

Intermediate<br />

Hub/Switch<br />

100 m<br />

(328 ft.)<br />

Fire Dispatch<br />

Dispatch<br />

Room Hub/Switch<br />

Police Dispatch<br />

Supervisor<br />

Every ef<strong>for</strong>t should be made to ensure a quality installation of the computer network cabling system.<br />

Even the best installation ef<strong>for</strong>t cannot guarantee a properly working system. It is there<strong>for</strong>e required that<br />

a computer network cabling system be tested <strong>for</strong> proper per<strong>for</strong>mance.<br />

The procedures <strong>and</strong> specifications in the TIA/EIA Tele<strong>communication</strong>s System Bulletin (TSB) 67 shall<br />

be used <strong>for</strong> this testing. TSB 67 has four primary parameters to test. Below is an overview of the four<br />

test parameters needed to assure a properly working system.<br />

68P81089E50-B 9/1/05 9-25

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