Protection options nominal discharge current is greater than the expected maximum surge current of installed components. Surge protector limited voltage should not exceed the rated pressure of the object to be protected.
Selection of surge protection device interface type
Communication line surge protector is connected in series in a row. For the best protection, attention to match. Should select the interface type of communications line, line should pay attention to the RJ,DB type interface, care should be taken for coaxial connectors. Based on the interface type to select what you want to match the lightning protection devices. Besides lightning need to ensure communication match. Do not match, to change the interface jumper wiring.