standards and guidelines for communication sites - Radio And ...
standards and guidelines for communication sites - Radio And ... standards and guidelines for communication sites - Radio And ...
EQUIPMENT CABLING CHAPTER 9: EQUIPMENT INSTALLATION 9.9.6 COMPUTER NETWORK CABLING Computer network cabling typically consists of Category 5 (CAT 5) cabling terminated with 8-pin modular connectors. The proper installation of computer network cabling is critical to the safe and reliable operation of the computer network. It is recommended that standards developed by the Telecommunications Industry Association/Electronic Industries Association (TIA/EIA) and the Canadian equivalent (or equivalent standards in other countries) be followed. Applicable NFPA codes, local electrical codes, local building codes and other standards in this manual shall also be conformed to when installing computer network cabling. NOTE: It is recommended that computer network cable installations be performed by a specialist in the installation of computer networks. The specialist should have the expertise, knowledge of applicable local codes, and the test equipment required for a quality installation. NOTE: This section cites standards from the American National Standards Institute (ANSI), the Electronic Industry Association (EIA), the Telecommunications Industry Association/Electronic Industries Association (TIA/EIA, and the Canadian Standards Association (CSA). These standards should be followed even for sites located outside the U.S. 9.9.6.1 CABLE TYPE CAT 5 Unshielded Twisted Pair (UTP), 100-ohm cable is the recommended cable type for computer network cabling, and will be the assumed cable type throughout this section. CAT 5 cable is preferred over CAT 3 and CAT 4 cables because of its ability to support 100Mbps (Megabits per second) systems and because of its improved immunity to Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI). See American National Standards Institute/ Telecommunications Industry Association/ Electronic Industries Association ANSI/TIA/EIA-568-B and Canadian Standards Association CSA-T529 for additional information. 9.9.6.2 CONNECTING HARDWARE UTP cables shall be terminated with connecting hardware of the same category rating or higher. This includes all connectors, punch blocks, cross-connect jumpers and patch cords. It is recommended that hardware used to terminate cables be of the insulation displacement (IDC) type. Modular connectors shall also be of the proper typed for the cable used; solid conductor cable uses a different connector than stranded cable. See ANSI/TIA/EIA-568-B and CSA-T529 for additional information. 9.9.6.3 CABLE AND CONNECTOR WIRING Appropriate color-coding and jack pair assignments should be followed when wiring modular jacks, connectors, and cables. The same wiring standard shall be used throughout the cabling system. ANSI/ TIA/EIA T568A and T568B are the recommended standards. Figure 9-9 shows the color coding and Figure 9-10 shows end views of an 8-pin modular female jack for both standards with the pairs and colors identified. See ANSI/TIA/EIA-568-B and CSA-T529 for additional information. 9-18 68P81089E50-B 9/1/05
STANDARDS AND GUIDELINES FOR COMMUNICATION SITES EQUIPMENT CABLING T-568B 1 2 3 4 5 6 7 8 O/ O G/ B B/ G Br/ Br FIGURE 9-9 RJ-45 COLOR CODING RJ-45 PLUG T-568A 1 2 3 4 5 6 7 8 G/ G O/ B B/ O Br/ Br 68P81089E50-B 9/1/05 9-19
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EQUIPMENT CABLING CHAPTER 9: EQUIPMENT INSTALLATION<br />
9.9.6 COMPUTER NETWORK CABLING<br />
Computer network cabling typically consists of Category 5 (CAT 5) cabling terminated with 8-pin<br />
modular connectors.<br />
The proper installation of computer network cabling is critical to the safe <strong>and</strong> reliable operation of the<br />
computer network. It is recommended that <strong>st<strong>and</strong>ards</strong> developed by the Tele<strong>communication</strong>s Industry<br />
Association/Electronic Industries Association (TIA/EIA) <strong>and</strong> the Canadian equivalent (or equivalent<br />
<strong>st<strong>and</strong>ards</strong> in other countries) be followed. Applicable NFPA codes, local electrical codes, local building<br />
codes <strong>and</strong> other <strong>st<strong>and</strong>ards</strong> in this manual shall also be con<strong>for</strong>med to when installing computer network<br />
cabling.<br />
NOTE: It is recommended that computer network cable installations be per<strong>for</strong>med by a specialist in the<br />
installation of computer networks. The specialist should have the expertise, knowledge of applicable<br />
local codes, <strong>and</strong> the test equipment required <strong>for</strong> a quality installation.<br />
NOTE: This section cites <strong>st<strong>and</strong>ards</strong> from the American National St<strong>and</strong>ards Institute (ANSI), the Electronic<br />
Industry Association (EIA), the Tele<strong>communication</strong>s Industry Association/Electronic Industries<br />
Association (TIA/EIA, <strong>and</strong> the Canadian St<strong>and</strong>ards Association (CSA). These <strong>st<strong>and</strong>ards</strong> should be<br />
followed even <strong>for</strong> <strong>sites</strong> located outside the U.S.<br />
9.9.6.1 CABLE TYPE<br />
CAT 5 Unshielded Twisted Pair (UTP), 100-ohm cable is the recommended cable type <strong>for</strong> computer<br />
network cabling, <strong>and</strong> will be the assumed cable type throughout this section. CAT 5 cable is preferred<br />
over CAT 3 <strong>and</strong> CAT 4 cables because of its ability to support 100Mbps (Megabits per second) systems<br />
<strong>and</strong> because of its improved immunity to Electromagnetic Interference (EMI) <strong>and</strong> <strong>Radio</strong> Frequency<br />
Interference (RFI). See American National St<strong>and</strong>ards Institute/ Tele<strong>communication</strong>s Industry<br />
Association/ Electronic Industries Association ANSI/TIA/EIA-568-B <strong>and</strong> Canadian St<strong>and</strong>ards<br />
Association CSA-T529 <strong>for</strong> additional in<strong>for</strong>mation.<br />
9.9.6.2 CONNECTING HARDWARE<br />
UTP cables shall be terminated with connecting hardware of the same category rating or higher. This<br />
includes all connectors, punch blocks, cross-connect jumpers <strong>and</strong> patch cords. It is recommended that<br />
hardware used to terminate cables be of the insulation displacement (IDC) type. Modular connectors<br />
shall also be of the proper typed <strong>for</strong> the cable used; solid conductor cable uses a different connector than<br />
str<strong>and</strong>ed cable. See ANSI/TIA/EIA-568-B <strong>and</strong> CSA-T529 <strong>for</strong> additional in<strong>for</strong>mation.<br />
9.9.6.3 CABLE AND CONNECTOR WIRING<br />
Appropriate color-coding <strong>and</strong> jack pair assignments should be followed when wiring modular jacks,<br />
connectors, <strong>and</strong> cables. The same wiring st<strong>and</strong>ard shall be used throughout the cabling system. ANSI/<br />
TIA/EIA T568A <strong>and</strong> T568B are the recommended <strong>st<strong>and</strong>ards</strong>. Figure 9-9 shows the color coding <strong>and</strong><br />
Figure 9-10 shows end views of an 8-pin modular female jack <strong>for</strong> both <strong>st<strong>and</strong>ards</strong> with the pairs <strong>and</strong><br />
colors identified. See ANSI/TIA/EIA-568-B <strong>and</strong> CSA-T529 <strong>for</strong> additional in<strong>for</strong>mation.<br />
9-18 68P81089E50-B 9/1/05
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