Found deep in an optical network, FDMS are often the last network management point before the subscriber. Common applications include subscriber access, fiber to the desk (FTTD), Large Area Networks (LAN), traffic control, and building distribution.

Smaller capacity will typically house circuits serving one customer, with larger cabinets sometimes-carrying circuits for several customers. Compact and rugged, Teracom line of wall mounted cabinets is perfect for location in vaults and basements. Diverse and simple to use, variations are available to provide network security (keyed lock on the cabinet, on splice compartment only, or on both for two levels of protection). Designed with control and flexibility in mind.