Keep optical network hardware arranged with the discipline production racks demand. The RMK4 (US) is positioned for Cisco GS7000 deployment environments, giving teams a dedicated rack accessory for cleaner physical integration and more predictable equipment placement. In optical network builds, physical organization matters. A purpose-built rack accessory helps reduce clutter, supports consistent alignment, and makes service access more manageable when multiple components share the same enclosure. That translates into less time spent working around improvised mounting and more time maintaining the network itself. For teams that value repeatable installation practices, this accessory helps standardize how optical hardware is presented in the rack. It is a practical choice when you need a controlled fit, a cleaner service environment, and a deployment approach that reflects the importance of the equipment it supports.