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Home » Forums » Forum Archives » Networking and Internet Sharing » Topic # 310

Crossover cables
probst Oct-12-00 05:07 AM
I am participating in a school project that involves installing Cat 5 cable over an ethernet network. The network consists of 24 workstations and 2 servers. The directions were stated as follows: create 6 groups of 4 workstations with each of the groups (of 4) connected to a hub. All hubs of the 6 groups will be connected to a wall outlet. From the wall outlet, the cables will be directed to another hub and finally to a router. My question is, where should I install crossover cables. I already have one crossover cable connected from a hub to the router. I am learning this from scratch, so any advice would be greatly appreciated.

1. RE: Crossover cables
lbyard Oct-12-00 07:14 PM
In response to message 0
The crossover function can be done most anywhere; i.e., from the hub to the wall, from the other end to the other hub, at a punch-down block, etc. However, most hubs have an uplink port that does the crossover function within the hub and that port can be connected to a regular port on another hub. In this case a straight-thru cable would be used between the two hubs. Be aware that many hubs and switches share a regular port, usually #1, with the uplink port and you cannot use both ports at the same time. Suggest reading http://duxcw.com/digest/Howto/network/cable/cable1.htm to get a good understanding of the difference between the types of cables and reading the documentation that came with the hubs. You will get better performance by using a switch to connect the workgroup hubs together. http://duxcw.com/faq/network/hubsw.htm describes the differences between hubs and switches and the reasons for the improved performance. Larry

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