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To: nanog <nanog@nanog.org> From: Luke S Crawford <lsc@prgmr.com> Date: 21 Sep 2009 02:29:56 -0400 In-Reply-To: <20090917234547.GT51443@gerbil.cluepon.net> Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org Richard A Steenbergen <ras@e-gerbil.net> writes: >=20 > You've never seen a single port go bad on a switch? I can't even count > the number of times I've seen that happen. Not that I'm not suggesting=20 > the OP wasn't the victim of a human error like unplugging the wrong port= =20 > and they just lied to him, that happens even more. I know it happens; it's happened to me, and I have probably touched fewer switches than you. Still, from what I can understand, it can be prevented/minimized by the use of a grounded port. from:=20 http://support.3com.com/documents/switches/baseline/3Com-Switch-Family_Safe= ty-Reg-Info.pdf "CAUTION: If you want to install the Switch using a Category 5E or Category 6 cable, 3Com recommends that you briefly connect the cable to a grounded port before you connect to the network equipment. If you do not, the cable=E2=80=99s electrostatic discharge (ESD) may damage the Sw= itch's port. You can create a grounded port by connecting all wires at one end of a UTP cable to an earth ground point, and the other end to a female RJ-45 connector located, for example, on a Switch rack or patch panel. The RJ-45 connector is now a grounded port."
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