Extreme Networks ExtremeSwitching X435 Series Hardware Installation Manual page 311

Installing Expansion Modules
5. Attach the PSUs directly to the DIN rail:
Figure 250: V300HT-8P-2X DIN Rail Mount with dual 16807 PSUs
6. For XN-ACPWR-60W-HT-DIN, attach the port extender to the DIN Rail using one DIN bracket and
the screws provided.
Install a V300 in a DIN Rail Mount
ExtremeSwitching Hardware Installation Guide 311