Extreme Networks ExtremeSwitching X435 Series Hardware Installation Manual page 307

Installing Expansion Modules Install a V300 in a Dual Rack Mount
5. After attaching the PSU bracket to the V300 using the provided screws, attach the PSU to the PSU
mounting brackets using two, four, or eight cable ties:
Figure 246: V300-8T-2X Dual Rack Mounting with PSU
ExtremeSwitching Hardware Installation Guide 307