Custom module Bachmann module. Front connection: cable entry. Rear connection: cable entry. 2x 9 mm, 1x 14 mm. Meets individual requirements for data, video, and audio connections. Bachmann Custom Modules are central components for video, audio, and network connections that allow for flexible installation. With easily replaceable modules, you can effortlessly meet all individual requirements regarding data, video, and audio connections, whether in an office environment, in rack installations, or electrical installations. Easily adaptable to changing requirements. Bachmann Custom Modules also provide an excellent addition in the field of electrical installation. A few components make the Custom Modules compatible with the common switch programs of well-known manufacturers. With simple assembly and disassembly, you can quickly adjust all installations to changing requirements.