The 576 port FDH is ideal for pad mount applications. Westell's Fiber Distribution Hub (FDH) cabinet series provides a unique solution for fiber interconnection and distribution that suits nearly any network application, including FTTx and network infrastructure. Visit Insights Overview to get started. You are about to download a machine translated document. This FDT is used for connecting, allocation and dispatching of communication optical cables to each optical distribution node, providing safe, reliable and flexible management equipment of optical fiber and cable for communication network. FDH cabinets offer fast deployment, easy installation, and flexible configurations without interrupting existing internet services. Optional cabinet material: SMC, stainless steel.