Which Ethernet cable type should be installed if high interference is a concern?

When high interference is a concern in a networking environment, the best choice is to install a Shielded Twisted Pair (STP) cable. STP cables are specifically designed to minimize the impact of electromagnetic interference (EMI) and radio frequency interference (RFI), making them suitable for environments where there may be potential interference from other electronic devices.

The shielding in STP cables typically consists of additional foil or braided shielding around each pair of wires, or sometimes a common shield that covers all the pairs. This shielding helps to absorb and deflect interference, maintaining the integrity of the signal transmitted over the cable. In environments such as industrial settings or places with heavy machinery, where interference is more likely, using STP ensures a stable and reliable network connection.

In comparison to unshielded options, like UTP (Unshielded Twisted Pair) cables, STP provides a stronger defense against interference, making it the preferable choice for high-interference scenarios. Other choices such as RJ45 refer to a type of connector rather than a cable, and 802.11n is a wireless networking standard, which does not address physical cabling solutions directly. Consequently, STP is the most effective option for ensuring signal quality in the presence of potential interference