Ciena NTK509JS Rev 003 is a shelf bracket kit for rear-exhaust installations on the Ciena 6500 Packet-Optical Platform, specifically designed for 7-slot Type 2 shelves (OM65XX). The kit provides 567 mm center-to-center mounting-hole spacing and supports 100 mm or 127 mm setbacks, with an EIA hole pitch suitable for standard 19-inch racks. This part is listed in Ciena catalogs as NTK509JS and is used to configure rear-exhaust airflow while maintaining the alignment of a 7-slot Type 2 shelf. Compatible with OM65XX chassis, NTK509JS serves as the rear-exhaust bracket kit for 6500 shelf assemblies used in both enterprise and carrier networks.
