Building RJ45 Crossover cables

The topology for the lab has connections for WAN links to each site in addition to PSTN links providing T1 and E1 services. I am using a 2801 router for providing my PSTN services as I found the 2 port MFT1 cards are very cheap on ebay at this time.
The beauty about this setup is I didnt have to buy any funny WIC crossover cables as I was able to make my own using cat 5 cables and and a crimper
 t-1-crossover

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