This rack mounting kit can be used to install a variety of 1U switches into a variety of 4 post racks. It supports both side to side air flow as well as front to back air flow. The rack mounting kit supports the 1U, full width switches in the following switch series and the power supply: V1810 Series, E2510 Series, E2520 Series, E2610 Series, E2810 Series, E2910 Series, E3500 Series, and the E620 Power Supply.;This universal rack mounting kit is design to fit the following racks: HP 10K 10642, HP 10K 10842, Panduit CN, Panduit CS, Wright line Vantage S2, APC Netshelter 600mm, and APC Netshelter 800mm.