This guide explains how to properly install and organize fiber networking equipment inside a rack mount enclosure, covering engineering principles such as backplane architecture, power redundancy, airflow management, and structured cable routing. Rack-mount fiber optic splitters are passive optical splitters integrated into standard rack-mounted chassis, typically installed in telecom racks, ODF frames, or central office distribution systems. T PON standards such as GPON, XGS-PON and new 25 and 50G standards. A rack mount enclosure used for fiber infrastructure serves as a centralized platform for organizing modular chassis systems, media converters, and optical networking components. When installed correctly, it improves signal integrity, simplifies maintenance, enhances redundancy planning, and. The structure of rack chassis PLC splitter is to install one or two micro type 1*N or 2*N PLC splitter into a rack mounted box. The box is in 19 inch standard. We provide whole. JNTTAP modular-24 splitters with chassis, comes with 24 modules of 6 x LC/UPC connectors each, enclosed in a 19” 1RU chassis. Each module is capable to equip 2 x 1:2 splitter ports, making it the most compact 1RU chassis to house up to 48 splitters altogether. Each Planar Lightwave Circuit (PLC).