Industrial 4 Ports Gigabit BT90W PoE Passthrough Switch and PoE Extender, DIN Rail PoE Powered Switch support 820ft Long Distance PoE

Note: The POE-EXT9004G was discontinued. Please use the new equivalent model -  POE-EXT04. Both of them are 4 ports full gigabit passive PoE Switch & Extender with IEEE802.3bt 90W PoE Input. INDUSTRIAL PoE PASSTHROUGH SWITCH -Powered by POE Switch or PoE Injector, passes PoE power to other PoE devices, such as VoIP phones and cameras. Also know as PoE Powered Switch. No local power adapter is required 4CH BT90W PoE EXTENDER - 1 x IEEE 802.3af/at/bt POE Input Port, max 90W; 4 x IEEE 802.3at/af/bt PoE output Ports , 90W max for each port; Total POE budget is 75W max (90W POE input) or 120W max (DC input). Also provides 1 * 1000BASE-X SFP port and 1 * Relay port. OPTIONAL DC POWER SUPPLY - Dual DC48~57V redundant power inputs: Power 1 (Main), Power 2 (Backup) 820FT PoE EXTENSION- Extends PoE and Ethernet an additional 330ft (100 meters) at Gigabit speed or 820ft (250 meters) at 10Mbps in CCTV mode. Set the PoE Switch to CCTV mode through the DIP switch in the panel. STANDARD