LEA Networks ST5-G series 5 pin modules utilize state of the art balanced gas discharge tube and self resetting PTC technologies to protect the telecommunications network from overvoltages and overcurrents (sneak currents) caused by lightning, electrostatic discharges, AC induction and AC power faults.The ST5-G series 5 pin modules are always on guard protecting the infrastructure while remaining transparent to the telecommunications network, allowing for maximum speed and bandwith without signal degradation.