Use the front and rear rectangular cable-access openings on the top of the rack cabinet to route external cables and to control the flow of air inside the rack. Step-by-step guide: In this way, patch panels, switches, cable routing and documentation are. Do you have a question about the SmartCabinet and is the answer not in the manual? Page 1 SmartCabinet™ User Manual. Page 2 Customer Service Hotline: 4008876510 India Email: customer. If you don't have a good network cable management strategy in place, not only you. more Hello everyone this is Hafiz with you and welcome to my channel. Thus, organizing cables is an integral part of rack mount cable management.