Cheap option, check one thing first
802.3at PoE+ injector
IEEE 802.3at Type 2 PoE+ into the LAN port. Active injector, not passive.
The CSE-200 runs on PoE Plus, so a standard injector avoids the discontinued Barco brick.
Check first: This is for the CSE-200 only. Read the label on your unit.
Search this on Amazon