1. Introduction: CYS02 optical transmission platform is 19-inch-wide that flexibly offers 14 standard slots. You can select application modules and install them into the case to meet your fiber optical design requirements. It can hold some combination of forward/reverse transmission module, forward/reverse receiver module, forward/reverse RF amplifier module and one redundant power supply module. Also, the internal and external power supplies are available. CYS02 is widely used in the Metro area HFC Network system from medium to large scale city. 2. Features: A. High usable module density, chassis accommodates 14 standard application modules. B. Hot plug-in and pullout supported, easy module insertion and removal. C. Solid metal construction. D. Superior heat dissipation and air circulation, broad operating temperatures range. E. VFD panel to provide real-time display of each parameter of its operating status in addition LED display status. F. After module inserting, platform can auto identify its type. G. Status monitoring system is compatible with national standard and SCTE HMS standard. H. Reasonable fiber, powering and RF cable management. I. Powering options, designed for external power supplies interface or redundant powering. J. Variety application module can be accommodated to support any system.