documenting ESD procedures here...
"grounded port" for ethernet:
"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’s electrostatic discharge (ESD) may damage the Switch'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."