ZoneBarrier modular telecom protection devices provide a uniquely customer configurable port-by-port protection approach. ZoneBarrier modules can be utilised as either stand-alone devices or as building blocks to create an unlimited multi-port protection system. Modules are available in modular jack or terminal strip formats for applications including dial-up, lease line, ISDN and modem protection. ZoneBarrier devices can be wall mounted, DIN rail mounted or mounted on any flat surface in a 19" rack. Other ZoneBarrier modules are available for network and comms applications, further details of which are given in the Network & Comms Protection section of this website.