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I just bought an old 3Com switch off eBay to play around with. The model is 3c17302a. The console port is a male D9 port.

This may seem extremely obvious, but how do I connect to this port? I have one of those light blue Cisco console cables that does D9 to RJ45. Can I just plug the RJ45 into the ethernet port on my laptop? How do I star

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sinergiainformatica.com.br/pdfSwitches/3C17304A.pdf page 16 and page 38 –  Iain Jul 16 '12 at 21:33
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up vote 4 down vote accepted

It's a serial connection, not an ethernet connection so no, plugging it into your network port will not do anything productive. Chances are poor that your workstation has a serial port, so you'll need a USB->Serial adaptor. When you have that, just use a null modem DB9 cable to connect from the USB->Serial adaptor to the switch.

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This is one of those "Makes you feel old" questions. –  ErnieTheGeek Jul 16 '12 at 21:17
    
@ErnieTheGeek - Agreed. :) –  EEAA Jul 16 '12 at 21:17
    
Thanks so much! –  K. Barresi Jul 17 '12 at 0:13
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