The Finisar FWSF-CHASSIS-2 is a standard 1RU 19" rack which is easily used for installing Plug in module. The FWSF-CHASSIS-2 can accommodate two Plug in modules, it is convenient to increase the capacity of network. The Finisar FWSF-CHASSIS-2 delivers dramatic cost savings to network equipment manufacturers, enabling them to develop metro access systems that are lower in cost, easier to provision and simpler to operate. - Low-profile modular design - Standard 1RU 19" rack - 2 slot for increasing capacity for network - Compliance with RoHS