Remove dust plugs from the optical ports to be connected and install optical modules on the optical ports. NOTICE ● ES02VSTSA card is not hot swappable. ● When removing a copper cable, optical module, or optical fiber, push its connector or handle slightly and. This section describes how to install an optical module. The S7706 switches are high-end smart routing switches designed for next-generation enterprise networks. Agile features supported in V200R005C00 and later versions 2. Innovative Cluster Switching System (CSS) 4.