In summary, long Ethernet cable runs have several vulnerabilities such as the fact that they serve as antennas, can develop significant static charge if left unconnected, and may require compliance to some parts of GR-1089. To determine the proper solution for an application, three questions should be answered: 1) What is the exposure level of the system? 2) Is Power over Ethernet involved? And 3) What is the data rate? The answers to these can then be used to determine the proper solution. The Littelfuse Ethernet protection portfolio has a complete product offering of solutions for whatever the application needs.