Converting round port to slot port?

POE 1 Module: 4 Ports, 60W max Modularity FLEXI PORT SLOTS 1 FLEXI PORT SLOTS 1 OTHER OPTIONAL ADD-ON MODULES SFP VDSL modem

ports having a reduced end and a longitudinally extending slot near and to which areas motive fluid is alternately admitted and exhausted the lower edge

portal 138 slot A port is somewhat like a mail slot in a large building, with each mail slot belonging to a different resident within the building Addressing mail to the

portugal slot Nearer to the PCI slots, the brown AGP socket was located roughly one inch farther back The motherboard only had one AGP slot available for the graphics card