Black Box RS-232 Surge Protector - surge protector

Protect every data connection in your system. RS-232 Surge Protectors are perfect add-ons for short-haul modems, concentrators, A/B switches, muxes, repeaters, or other devices that are designed to span long cable runs but are prone to noise and surges.

SP141A is a 4-Wire RS-232 Surge Protector.