The TP-ESP-1000-POE are a low cost 10/100/1000 (Gigabit) ethernet surge
protector to help protect sensitive equipment from surges caused by lightning
and grid power fluctuations. They have a full metal body for improved EMI
suppression and have integral mounting feet and separate ground wire. They are
designed for indoor or outdoor use inside a weatherproof enclosure. The
TP-ESP-1000-POE is compatible with POE systems up to 57V. Protection is provided
on all 8 CAT5 wires.