This MTC Surge Suppressor – Protector is designed for outdoor tower or wall mounting. This device is designed to protect equipment such as APs and SMs installed at NOCs or tower sites where a number of devices are colocated. The HV version of this device has a higher ethernet breakdown voltage for high RF exposure situations. The HV is required for POE powered devices. Grounded shielded RJ45 jacks provide grounds to shielded plugs on the J version. The P version (special order only) has 110 style punch down connections.
Read more at: www.surge-protection.org