Hardened PoE appliances will require 24 – 57 V DC. Hardened non-PoE appliances typically support 12 – 56 V DC. Always check detailed product specifications on our website under the Products section. Compatible power supplies for the TI-PG102i are the TI-S12024 (120W), TI-S24048 (240W), or TI-S48048 (480W) sold separately.