Expanding the company’s Lightning Protector line are the AL-D3W-05 for RS-485 lines and the AL-D3W-DT for protecting DSL and telephone lines. Both are weatherproof for outdoor use and feature removable screw terminals and ground clamps on the outside of their enclosures. For more information, call L-COM GLOBAL CONNECTIVITY, North Andover, MA. (800) 341-5266.