L-com's exclusive rack mounted harmonica bridging adapters organize all your telecom cables into a convenient rack mounted panel. These exclusive 19 x 1.75"" panels come loaded with 2 or 4 of our popular harmonica style bridging adapters. Each panel is constructed with black powder coated steel for years of reliable service. The bridging adapters are all straight through wired and are available with either RJ12 or RJ45 ports.