Extreme Networks ExtremeSwitching X435 Series Hardware Installation Manual page 298

Install a V300 Virtual Port Extender on a Wall
3. For non-PoE models, after attaching the short brackets, attach the PSUs to the PSU mounting
brackets using two cable ties.
Figure 235: V300-8P/8T-2X Wall Mount with PSU
298 ExtremeSwitching Hardware Installation Guide
Installing Expansion Modules