SAN Telequip’s offers high-density racktype unmanaged Gigabit PoE+ connectivity (up to 24 PoE ports and 4 SFP combo slots) in a 1U 19-inch fanless metal enclosure. These rugged switches support IEEE 802.3af/at with a total power budget of up to 390W, featuring 6KV surge protection, redundant 110/220V AC/DC or 48V DC inputs, and an operating temperature range of -20°C to 60°C (or higher for specific industrial variants).