TAILIEUCHUNG - Lab 3.1.9c Straight-Through Cable Construction

The cable constructed will be a four-pair, eight-wire, straight-through cable, which means that the color of wire on Pin 1 on one end of the cable will be the same as that of Pin 1 on the other end. Pin 2 will be the same as Pin 2, and so on. The cable will be wired to either TIA/EIA T568B or T568A standards for 10BASE-T Ethernet, which determines what color wire is on each pin. T568-B, also called AT&T specification, is more common in the ., but many installations are also wired to T568-A, also called ISDN | Cisco Svstems I Lab Straight-Through Cable Construction Objective Build a Category 5 or Category 5e CAT 5 or 5e Unshielded Twisted Pair UTP Ethernet network patch cable or patch cord. Test the cable for continuity and correct pinouts the correct color of wire on the right pin. Background The cable constructed will be a four-pair eight-wire straight-through cable which means that the color of wire on Pin 1 on one end of the cable will be the same as that of Pin 1 on the other end. Pin 2 will be the same as Pin 2 and so on. The cable will be wired to either TIA EIA T568B or T568A standards for 10BASE-T Ethernet which determines what color wire is on each pin. T568-B also called AT T specification is more common in the . but many installations are also wired to T568-A also called ISDN. Prior to starting the lab the teacher or lab assistant should have a spool of Cat 5 Unshielded Twisted Pair UTP cable RJ-45 8-pin connectors an RJ-45 crimping tool and an Ethernet RJ-45 continuity tester available. Work individually or in teams. The following resources will be required One to .9 m 2 to 3 ft length of Cat 5 cabling per person or team Four RJ-45 connectors two are extra for spares RJ-45 crimping tools to attach the RJ-45 connectors to the cable ends Ethernet cabling continuity tester which can test straight-thru or crossover type cables T568-A or T568-B Wire cutters 1 - 3 CCNA 1 Networking Basics v - Lab Copyright 2003 Cisco Systems Inc. Cabling Pin-out Information for T568-B Pin Pair Function Wire Color Used with 10 100 BASE-T Ethernet Used with 100 BASE-T4 and 1000 BASE-T Ethernet 1 2 Transmit White Orange Yes Yes 2 2 Transmit Orange Yes Yes 3 3 Receive White Green Yes Yes 4 1 Not used Blue No Yes 5 1 Not used White Blue No Yes 6 3 Receive Gre en Yes Yes 7 4 Not used Whit e Brown No Yes 8 4 Not used Brown No Yes Use the preceding table and diagram to create a T568-B patch panel cable. Both cable ends should be wired the same when looking at the

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