cabling from computer to a router

gbdavidxgbdavidx Member Posts: 840
in CCNA & CCENT
aren't these not similar devices? why is it cross over? i thought cross over was for router to router, switch to switch
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  • pamccabepamccabe Member Posts: 315 ■■■□□□□□□□
    Think of it as two groups. In one group you have routers, PCs, access points, and network printers. In another group you have hubs and switches. To go between the two groups you need a straight through cable. Any connection within those two groups need a cross over cable.
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  • pamccabepamccabe Member Posts: 315 ■■■□□□□□□□
    gbdavidx wrote: »
    aren't these not similar devices? why is it cross over? i thought cross over was for router to router, switch to switch
    More to your question, both routers and a computers NIC transmit data on cables 1 and 2, and they both receive data on 3 and 6. That is why a xover cable is needed.
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