2 Pair Depth rails to additionally support the Enclosure. Removable side panels partially vented for better air circulation. Openings/Cut outs for field cable entry from Top & Bottom of the Rack. Vented top cover with fan mounting provision, Front Glass or perforated Metal door with lock and key.
An optical line termination (OLT), also called an optical line terminal, is a device which serves as the service provider endpoint of a passive optical network.
