Chip PC CDC01927 manual LAN wiring color coding, TIA/EIA 568A TIA/EIA 568B

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Jack PC Hardware User Manual - Training Department

Version 0506

6.2LAN wiring color coding

In general wire colors are not critical for proper operation as long as wires are connected correctly. There are two wiring codes commonly in use - TIA-568Aand TIA-568B. They only differs by the wires color coding as shown in the figure bellow.

It is important to note that A and B cables are identical, the only difference between them is how their wires were connected at the ends.

Pin Numbering

TIA/EIA 568A

TIA/EIA 568B

(tab down)

Figure 6.2 - TIA-568A and B wiring color coding

Typically site cabling is done according to one of these two conventions although other options are possible (see next paragraph for non-standard cabling).

Some wiring tips:

The text printed on the cable may be very confusing. Avoid referring it at all.

If you are doing a new installation and you want to confirm which color convention used for a particular cable, the best option is to look at the far end of that cable. At the far end you will either have an RJ-45 plug or IDC wiring to the patch panel. Luckily the RJ-45 jacks are transparent and you will be able to see the wires' colors. Holding the RJ-45 plug with its tab facing away from you and contacts facing up according to Figure 6.2 – check wire color from left (pin 1) to right. If you see the combination on the left side then you have 568A if you see the combination on the right side – then it is 568B. If you see something different – you have a non standard wiring – go to the next paragraph for non- standard cabling.

If the cable far end connected to a patch panel – check the colors and compare them with the markings. Typically patch panels provides the two options (A and B) with color markings.

In any case do not trust the marking on the cables as same colors may be assembled differently and therefore you should not rely on cable markings. Check wiring before assembly. Color coding may also vary between cable to cable in one site.

If you cut / remove existing LAN jack – check the wiring before you cut and mark it on the cable (A / B).

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Contents Jack PC EFI Series Patents Table of Content Safety Notices Safety Instructions Introduction Page Power Options Intended Audience Main Topics Overview More Information Site Preparation Package ContentsLAN Link & Activity LED Identifying the Parts of the Jack-PCExisting LAN Installation Page Page Page New Installation Page Page Page Page Connecting the Cables Unplugging the System When Using External Power Reseting the Jack-PCTurning the Jack-PC on Jack PC EFI-6700 Jack PC EFI-6800 Jack PC EFI-6900 JACK-PC ModelsEFI 6700 64 MB DDR JACK-PC SpecificationsSee Accessories list for additional peripheral components Wiring Configurations LAN wiring basicsTIA/EIA 568A TIA/EIA 568B LAN wiring color codingNon-standard LAN cabling Flex-Jack terminal block contact #Tab Testing LAN Cabling Switch SettingsPoE Settings Practical example Some tips about Pre-standard PoE Pre-standard PoETroubleshooting Basic Troubleshooting flowReseting the Jack-PC to Factory Default Settings RFD Reset To Default Flow Always start your troubleshooting flow here LAN Troubleshooting flow Page POE PoE Troubleshooting flowAccessories List CPN01504 CPN02433CPN01491 CPN01503CPN02216 CPN02248CPN02221 CPN02243CPN02168 CPN02239CPN02171 CPN02167CPN02194 CPN02173CPN02431 CPN02169Modifications Jack-PC Requirements ComplianceFCC Statements IEC/EN NoticeSystem Dimensions and Weight Environmental & Regulatory Detailed InformationDeclarations and Certifications Declared Noise Emissions in accordance with ISO C2. System ConfigurationPerformance Data Energy consumptionF2. Additional Materials Information Product materials informationDesign for Environment RECYCLING/ END-OF-LIFE Service InformationLimitations of Remedy Chip PC Limited Hardware WarrantyRMA Process A. State LawsLimited Warranty Types Mail-In Coverage Upgrade Commitment on behalf of CustomerCarry-In Coverage Chip PC Limited Software Warranty Page Export Restrictions Disclaimer of WarrantyGrant of License Limit of LiabilityOwnership TerminationPatents Desktop Software Microsoft END User License Agreement EulaImportant Read Carefully System SoftwareRental UpgradesSingle System Single EulaLimited Warranty Product SupportCustomer Remedies No Other Warranties No Liability for Consequential DamagesGovernment Restricted Rights Table A1 Cisco Catalyst PoE compatibility table Appendix a Cisco Catalyst Specific PoE InformationAdditional Cisco PoE Resources

CDC01927 specifications

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