TAILIEUCHUNG - Lab 3.1.9d Crossover Cable Construction

This will be a 4-pair "crossover" cable. A crossover cable means that the second and third pairs on one end of the cable will be reversed on the other end. The pin-outs will be T568-A on one end and T568-B on the other end. All 8 conductors (wires) should be terminated with RJ-45 modular connectors. This patch cable will conform to the structured cabling standards. If the patch cable is used between hubs or switches, it is considered to be part of the "vertical" cabling. Vertical cabling is also called backbone cabling. A crossover cable can be used as a backbone cable to connect two or. | Cisco SrsTEMS Lab Crossover Cable Construction Objective Build a Category 5 or Category 5e CAT 5 or 5e Unshielded Twisted Pair UTP Ethernet crossover cable to T568-B and T-568-A standards. Test the cable for continuity and correct pin-outs correct wire on the right pin. Background This will be a 4-pair crossover cable. A crossover cable means that the second and third pairs on one end of the cable will be reversed on the other end. The pin-outs will be T568-A on one end and T568-B on the other end. All 8 conductors wires should be terminated with RJ-45 modular connectors. This patch cable will conform to the structured cabling standards. If the patch cable is used between hubs or switches it is considered to be part of the vertical cabling. Vertical cabling is also called backbone cabling. A crossover cable can be used as a backbone cable to connect two or more hubs or switches in a LAN or to connect two isolated workstations to create a mini-LAN. This will allow the connection of two workstations or a server and a workstation without the need for a hub between them. This can be very helpful for training and testing. To connect more than two workstations a hub or a switch will be needed. Prior to starting the lab the teacher or lab assistant should have a spool of Cat 5 or Cat 5e UTP cable RJ-45 8-pin connectors a 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 crossover type cables T568-A to T568-B Wire cutters Step 1 Create a crossover cable using the following tables and diagrams. One end of the cable should be wired to the T568-A standard. The other end should be wired to the T568-B standard. This crosses the transmit pairs and .

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